CN216867592U

CN216867592U - Temperature control device with pressure balance function

Info

Publication number: CN216867592U
Application number: CN202220183602.5U
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: 2022-01-23
Filing date: 2022-01-23
Publication date: 2022-07-01
Anticipated expiration: 2032-01-23

Abstract

The utility model discloses a temperature control device with a pressure balance function, which relates to the technical field of bathroom equipment, and the technical scheme is as follows: including leading main part, valve body and main control board, be provided with the induction element that is used for responding to human body signal in the leading main part, induction element and main control board electric connection, be provided with the case that is used for pressure balance in the valve body, leading main part is linked together with the case, is provided with the execution unit that is used for controlling the case on the valve body and opens and close, and the main control board can control the execution unit and open or close the case, and this response tap can make the leaving water temperature of rivers remain stable, guarantees user's use and experiences.

Description

Temperature control device with pressure balance function

Technical Field

The utility model relates to the technical field of bathroom equipment, in particular to a temperature control device with a pressure balance function.

Background

The water faucet is a common water using device, the functions of the water faucet are gradually enriched along with the continuous improvement of the living standard, and the water faucet with the sensing function is widely applied to life.

Chinese patent with publication number CN212107027U discloses an induction tap, which comprises a main body, wherein the upper end of the inner wall of the main body is provided with a valve core for adjusting the output water temperature, and the induction tap is characterized in that the input end of the valve core is fixedly connected with a hand wheel for controlling the valve core to adjust the water temperature, the hand wheel is detachably connected with the main body through a gland, and an inner core assembly for mixing cold water and hot water and controlling a water flow switch is arranged inside the main body.

The technical scheme has the following defects: this response tap does not possess pressure balance's function, consequently when this response tap closed the back and reopen, because of the water pressure can appear great undulant, causes the leaving water temperature of rivers great undulant, influences user's use and experiences.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a temperature control device with a pressure balance function, which has the advantage of stable outlet water temperature of water flow.

The technical purpose of the utility model is realized by the following technical scheme: the intelligent pressure-balancing faucet comprises a faucet body, a valve body and a main control board, wherein an induction unit used for inducing human body signals is arranged on the faucet body, the induction unit is electrically connected with the main control board, a valve core used for pressure balance is arranged in the valve body, the faucet body is communicated with the valve core, an execution unit used for controlling the valve core to be opened and closed is arranged on the valve body, and the main control board can control the execution unit to be opened or closed.

Through above-mentioned technical scheme, after the induction element in leading main part sensed human body signal, induction element transmission signal to main control board, main control board control execution unit opened the case, and rivers flow to leading main part through the case, and the case can make rivers pressure keep balanced to the change reaction of rivers pressure rapidly, prevents to lead to the fact the fluctuation of rivers temperature because of the rivers pressure changes, makes the leaving water temperature of rivers remain stable, guarantees user's use and experiences.

Preferably, a temperature sensor is arranged on the faucet main body, and the main control board is electrically connected with the temperature sensor.

Through above-mentioned technical scheme, temperature sensor detects the temperature of rivers, and when the temperature of rivers changed, the main control board can carry corresponding instruction to the execution unit, intervenes the temperature of rivers through execution unit control valve core, guarantees the temperature stability of rivers.

Preferably, the sensing unit includes an infrared sensing probe and/or a proximity switch, the infrared sensing probe is electrically connected to the main control board, and the proximity switch is electrically connected to the main control board.

According to the technical scheme, the infrared sensing probe transmits a signal to the main control board after detecting a human body signal through infrared rays; after the user approaches the proximity switch, the proximity switch transmits a signal to the main control panel.

Preferably, the execution unit comprises a first rotary drive source, the first rotary drive source is electrically connected with the main control plate, and an output end of the first rotary drive source is connected with the valve core.

Through the technical scheme, the main control board controls the first rotary driving source to start, and the valve core is opened or closed under the action of the first rotary driving source.

Preferably, the faucet body is provided with a control panel, and the control panel is provided with a temperature control unit for adjusting temperature and a flow control unit for adjusting flow.

Through above-mentioned technical scheme, the temperature of rivers is adjusted to the temperature control unit on the user's accessible control panel, also can adjust the flow of rivers through the flow control unit on the control panel, and the user of being convenient for uses, improves user's use and experiences.

Preferably, a water outlet flow passage is arranged on the valve body and communicated with the valve core, the water outlet flow passage is communicated with the faucet main body, an installation opening is formed in the valve body and communicated with the water outlet flow passage, a plug is movably arranged in the installation opening, the end of the plug is flat, a second rotary driving source is arranged on the valve body, and the output end of the second rotary driving source is connected with the plug.

Through the technical scheme, the plug is driven to rotate by the rotary driving source II, the water outlet flow channel is partially shielded by the plug, and therefore water flow is controlled to pass through the water outlet flow channel, and water flow rate of outlet water is adjusted.

Preferably, an electric storage unit is arranged on the main control board, and the electric storage unit is electrically connected with the first rotary driving source.

Through above-mentioned technical scheme, when taking place the outage, the electric power storage unit can export electric current to the main control board, and the main control board control rotary drive source starts, makes the case close under rotary drive source's effect.

Preferably, the valve body is provided with a cold water inlet flow passage and a hot water inlet flow passage, the cold water inlet flow passage is communicated with the valve core, and the hot water inlet flow passage is communicated with the valve core.

According to the technical scheme, cold water enters the valve core through the cold water inlet flow channel, hot water enters the valve core through the hot water inlet flow channel, and the cold water and the hot water are mixed in the valve core.

Preferably, the main control board can detect the current of the first rotary driving source, and if the current of the first rotary driving source reaches or exceeds a preset value, the main control board controls the first rotary driving source (61) to be turned off.

Through above-mentioned technical scheme, if the main control board detects that the electric current of rotary drive source one reaches or surpasss the default, the main control board control rotary drive source one closes, avoids rotary drive source one to accumulate the error in long-term work, promotes rotary drive source one's work precision, increases rotary drive source's life.

Preferably, a first check valve is arranged in the cold water inlet channel, and a second check valve is arranged in the hot water inlet channel.

Through the technical scheme, the first check valve is arranged in the cold water inlet flow channel and can prevent cold water from flowing back, and the second check valve is arranged in the hot water inlet flow channel and can prevent hot water from flowing back.

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

1. the valve core reacts rapidly to the change of water flow pressure, so that the water flow pressure is kept balanced, the fluctuation of water flow temperature caused by the change of the water flow pressure is prevented, the water outlet temperature of water flow is kept stable, and the use experience of a user is guaranteed.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic structural view of an embodiment faucet body;

FIG. 3 is a schematic view of another angular configuration of the faucet body according to the embodiment;

FIG. 4 is a partial sectional view of an embodiment;

FIG. 5 is a schematic structural diagram of a main control board according to an embodiment;

FIG. 6 is a partial structural view of the embodiment;

FIG. 7 is a schematic structural view of a valve body of an embodiment;

FIG. 8 is a cross-sectional view of a valve cartridge of an embodiment;

FIG. 9 is a schematic structural view of an embodiment of a housing;

FIG. 10 is a schematic illustration of the structure of an embodiment valve stem.

Reference numerals: 1. a faucet body; 2. a valve body; 3. a main control board; 4. a sensing unit; 41. an infrared sensing probe; 42. a proximity switch; 5. a valve core; 51. a housing; 52. a valve stem; 53. moving the ceramic sheet; 54. a static ceramic chip; 55. a base; 56. a pressure balancing assembly; 6. an execution unit; 61. a first rotary driving source; 7. a temperature sensor; 8. a control panel; 9. a first bump; 10. a second bump; 11. accommodating grooves; 12. a water outlet flow channel; 13. an installation port; 14. a plug; 15. a second rotary driving source; 16. an electric storage unit; 17. a cold water inlet channel; 18. a hot water inlet channel; 19. a temperature control unit; 191. a first temperature control key; 192. a second temperature control key; 20. a flow control unit; 201. a flow control key I; 202. a flow control key II; 21. a one-way valve I; 22. a second one-way valve; 23. connecting grooves; 24. a housing; 25. positioning blocks; 26. and (7) mounting holes.

Detailed Description

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

A temperature control device with a pressure balancing function, as shown in fig. 1 to 10, includes a faucet body 1, a housing 24, a valve body 2, and a main control panel 3.

Valve body 2 is installed in casing 24, is provided with in the valve body 2 and is used for pressure balance's case 5, has seted up holding tank 11 on the valve body 2, and case 5 sets up in holding

tank

11, and 11 female connection in holding tank have locating piece 25.

The faucet body 1 is communicated with the valve core 5, specifically, the valve body 2 is provided with a cold water inlet flow passage 17 and a hot water inlet flow passage 18, the cold water inlet flow passage 17 is communicated with the valve core 5, the hot water inlet flow passage 18 is communicated with the valve core 5, the valve body 2 is provided with a water outlet flow passage 12, the water outlet flow passage 12 is communicated with the valve core 5, and the water outlet flow passage 12 is communicated with the faucet body 1 through a pipeline.

A first check valve 21 is arranged in the cold water inlet channel 17, cold water is prevented from flowing back through the first check valve 21, and a second check valve 22 is arranged in the hot water inlet channel 18, and hot water is prevented from flowing back through the second check valve 22.

The valve core 5 comprises a shell 51, a valve rod 52, a movable ceramic piece 53, a static ceramic piece 54, a base 55 and a pressure balance assembly 56, wherein the shell 51 is connected with the base 55, the static ceramic piece 54 is circumferentially fixed on the upper end face of the base 55, the movable ceramic piece 53 is rotatably arranged on the upper end face of the static ceramic piece 54, the valve rod 52 is connected with the movable ceramic piece 53, the valve rod 52 can drive the movable ceramic piece 53 to rotate, the pressure balance assembly 56 is arranged at the bottom of the base 55, and the pressure balance assembly 56 adopts a pressure balance valve core control part disclosed in the patent document with the publication number of CN211875170U, which is not described herein again.

The positioning block 25 can limit the position of the valve element 5, and specifically, the lower end surface of the positioning block 25 abuts against the upper end surface of the housing 51.

The main control board 3 is installed in the housing 24, the valve body 2 is provided with an execution unit 6 for controlling the opening and closing of the valve core 5, the main control board 3 can control the execution unit 6 to open or close the valve core 5, preferably, the execution unit 6 comprises a first rotary drive source 61, the first rotary drive source 61 is installed on the valve body 2, the first rotary drive source 61 is preferably a speed reduction motor, and can also be other common drive sources with a rotary function, such as a rotary electromagnet, an internal combustion engine and the like in the prior art, and the first rotary drive source 61 is electrically connected with the main control board 3.

The output end of the first rotary driving source 61 is connected with the valve element 5, specifically, the upper end face of the valve rod 52 is provided with a connecting groove 23, the output end of the first rotary driving source 61 is inserted into the connecting groove 23 of the valve rod 52, the connecting groove 23 circumferentially positions the output end of the first rotary driving source 61, the output end of the first rotary driving source 61 can drive the valve rod 52 to rotate, and the valve rod 52 can drive the ceramic piece 53 to rotate, so that the valve element 5 is opened or closed.

The main control board 3 can detect the current of the first rotation driving source 61, and it should be noted that the main control board 3 has a current sensor thereon, and the main control board 3 detects the current of the first rotation driving source 61 through the current sensor, and if the current of the first rotation driving source 61 reaches or exceeds a preset value, the main control board 3 controls the first rotation driving source 61 to be turned off.

Specifically, the first rotary driving source 61 drives the valve rod 52 to rotate, and the valve rod 52 can drive the movable ceramic piece 53 to rotate, so that the valve core 5 can be in a completely opened or completely closed state; the inner side wall of the housing 51 is provided with at least two first projections 9, the outer side wall of the valve rod 52 is provided with at least two second projections 10, the side wall of the first projection 9 can abut against the side wall of the second projection 10, it should be noted that, when the valve core 5 is in a completely opened or completely closed state, the side wall of the first projection 9 abuts against the side wall of the second projection 10, the first rotary drive source 61 cannot continuously drive the valve rod 52 to rotate, and the first rotary drive source 61 does not stop working, in this state, the current of the first rotary drive source 61 can increase until the current of the first rotary drive source 61 reaches or exceeds a preset value, and the main control board 3 controls the first rotary drive source 61 to close.

The main control panel 3 is provided with an electric storage unit 16, the electric storage unit 16 is electrically connected with the first rotation driving source 61, preferably, the electric storage unit 16 includes a capacitor, and alternatively, the electric storage unit 16 may be a dry battery.

The side wall of the valve body 2 is provided with a mounting port 13, the mounting port 13 is communicated with the water outlet flow channel 12, a plug 14 is movably arranged in the mounting port 13, a sealing ring is arranged between the plug 14 and the valve body 2, the end part of the plug 14 is flat, the valve body 2 is provided with a second rotary driving source 15, the second rotary driving source 15 is preferably a speed reduction motor or other common driving sources with rotary functions such as a rotary electromagnet, an internal combustion engine and the like in the prior art, the output end of the second rotary driving source 15 is connected with the plug 14, namely, the opening degree of the water outlet flow channel 12 is changed along with the rotation of the plug 14, so that the flow rate of water passing through the water outlet flow channel 12 is changed.

As another scheme, a third rotary driving source is arranged on the valve body 2, the third rotary driving source is preferably a motor, the plug 14 is in threaded connection with the mounting opening 13, the output end of the third rotary driving source is connected with the plug 14, and the third rotary driving source can drive the plug 14 to get close to or get away from the water outlet flow passage 12.

Be provided with induction element 4 that is used for responding to human body signal on tap main part 1, induction element 4 and main control board 3 electric connection, induction element 4 includes infrared ray inductive probe 41 and/or proximity switch 42, infrared ray inductive probe 41 and main control board 3 electric connection, proximity switch 42 and main control board 3 electric connection, in this embodiment, be provided with infrared ray inductive probe 41 and proximity switch 42 on tap main part 1, the user can be according to actual water demand with infrared ray inductive probe 41 or proximity switch 42 two kinds of different mode transmission signal to main control board 3, make main control board 3 control rotary drive source 61 open case 5, what need explain be, accessible proximity switch 42's mode during longer time's water demand, the mode of short time's water demand accessible infrared ray inductive probe 41.

The temperature sensor 7 is arranged on the tap main body 1, the mounting hole 26 is formed in the tap main body 1, the mounting hole 26 is communicated with the water outlet flow channel 12, the temperature sensor 7 is arranged in the mounting hole 26, and the main control board 3 is electrically connected with the temperature sensor 7.

The faucet body 1 is provided with a control panel 8, the control panel 8 is provided with a temperature control unit 19 for adjusting temperature, the temperature control unit 19 is electrically connected with the main control panel 3, the temperature control unit 19 comprises a first temperature control key 191 and a second temperature control key 192, a user can improve the temperature of water flow through the first temperature control key 191, and the user can reduce the temperature of the water flow through the second temperature control key 192.

The control panel 8 is provided with a flow control unit 20 for adjusting flow, the flow control unit 20 is electrically connected with the main control panel 3, the flow control unit 20 includes a first flow control key 201 and a second flow control key 202, a user can increase the water flow rate of the water flow through the first flow control key 201, and the user can decrease the water flow rate of the water flow through the second flow control key 202.

The working principle is as follows:

when the infrared sensing probe 41 detects a human body signal of a user or the user approaches the proximity switch 42 through infrared rays, the infrared sensing probe 41 transmits a signal to the main control board 3 or the proximity switch 42 transmits a signal to the main control board 3, the main control board 3 controls the first rotary driving source 61 to start, the first rotary driving source 61 drives the valve rod 52 to rotate, the valve rod 52 drives the movable ceramic piece 53 to rotate after rotating, the valve core 5 is opened, cold water enters the valve core 5 through the cold water inlet flow channel 17, hot water enters the valve core 5 through the hot water inlet flow channel 18, meanwhile, the pressure balancing component 56 on the valve core 5 rapidly reacts to the change of water flow pressure, so that the water flow pressure is kept balanced, the cold water and the hot water are mixed in the valve core 5, the mixed water flows to the faucet body 1 through the water outlet flow channel 12, and when the user is out of the sensing range of the infrared sensing probe 41 or is far away from the proximity switch 42, the main control board 3 controls the first rotary driving source 61 to start, the first rotary driving source 61 drives the valve rod 52 to rotate, and the valve rod 52 drives the movable ceramic piece 53 to rotate after rotating, so that the valve core 5 is closed.

When the valve core 5 is in a fully open state or a fully closed state, at this time, the side wall of the first projection 9 abuts against the side wall of the second projection 10, the first rotary drive source 61 cannot continuously drive the valve rod 52 to rotate, and at this time, the first rotary drive source 61 does not stop working, in this state, the current of the first rotary drive source 61 increases until the current of the first rotary drive source 61 reaches or exceeds a preset value, and the main control board 3 controls the first rotary drive source 61 to close.

When the cold water pressure is lost or the user operates the valve body, the rotary driving source I61 drives the valve rod 52 and the movable ceramic piece 53 to synchronously rotate, so that the valve core 5 is closed.

When the total inlet pressure change of the cold water and the hot water is not more than 50%, the pressure balancing component 56 can automatically adjust the water supply pressure of the cold water and the hot water, so that the change of the outlet water temperature is controlled within plus or minus 2 ℃.

When the inlet water temperature of cold water and hot water changes, the main control board 3 controls the first rotary driving source 61 to drive the valve rod 52 and the movable ceramic piece 53 to synchronously rotate, and the movable ceramic piece 53 and the static ceramic piece 54 are matched to adjust the inlet amount of the cold water and the inlet amount of the hot water, so that the change of the outlet water temperature is controlled within plus or minus 1 ℃.

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

Claims

1. The utility model provides a take temperature control device of pressure balance function, includes leading main part (1), valve body (2) and main control board (3), characterized by: the faucet is characterized in that an induction unit (4) used for inducing a human body signal is arranged on the faucet main body (1), the induction unit (4) is electrically connected with the main control board (3), a valve core (5) used for pressure balance is arranged in the valve body (2), the faucet main body (1) is communicated with the valve core (5), an execution unit (6) used for controlling the valve core (5) to be opened and closed is arranged on the valve body (2), and the main control board (3) can control the execution unit (6) to be opened or closed to the valve core (5).

2. The temperature control device with the pressure balancing function as claimed in claim 1, wherein: a temperature sensor (7) is arranged on the faucet main body (1), and the main control board (3) is electrically connected with the temperature sensor (7).

3. The temperature control device with the pressure balancing function as claimed in claim 1, wherein: the sensing unit (4) comprises an infrared sensing probe (41) and/or a proximity switch (42), the infrared sensing probe (41) is electrically connected with the main control board (3), and the proximity switch (42) is electrically connected with the main control board (3).

4. The temperature control device with the pressure balancing function as claimed in claim 2, wherein: the execution unit (6) comprises a first rotary driving source (61), the first rotary driving source (61) is electrically connected with the main control board (3), and the output end of the first rotary driving source (61) is connected with the valve core (5).

5. The temperature control device with the pressure balancing function as claimed in claim 1, wherein: the faucet body (1) is provided with a control panel (8), and the control panel (8) is provided with a temperature control unit (19) for adjusting temperature and a flow control unit (20) for adjusting flow.

6. The temperature control device with the pressure balancing function as claimed in claim 1, wherein: be provided with out water runner (12) on valve body (2), go out water runner (12) with case (5) are linked together, go out water runner (12) with tap main part (1) is linked together, installing port (13) have been seted up on valve body (2), installing port (13) with it is linked together to go out water runner (12), installing port (13) internalization is provided with end cap (14), the tip of end cap (14) is the platykurtic, set up rotary drive source two (15) on valve body (2), the output of rotary drive source two (15) with end cap (14) are connected.

7. The temperature control device with the pressure balancing function as claimed in claim 4, wherein: the main control board (3) is provided with an electric storage unit (16), and the electric storage unit (16) is electrically connected with the first rotary driving source (61).

8. The temperature control device with the pressure balancing function as claimed in claim 1, wherein: the valve body (2) is provided with a cold water inlet flow passage (17) and a hot water inlet flow passage (18), the cold water inlet flow passage (17) is communicated with the valve core (5), and the hot water inlet flow passage (18) is communicated with the valve core (5).

9. The temperature control device with the pressure balancing function as claimed in claim 4, wherein: the main control board (3) can detect the current of the first rotary driving source (61), and if the current of the first rotary driving source (61) reaches or exceeds a preset value, the main control board (3) controls the first rotary driving source (61) to be closed.

10. The temperature control device with the pressure balancing function as claimed in claim 8, wherein: a first check valve (21) is arranged in the cold water inlet flow passage (17), and a second check valve (22) is arranged in the hot water inlet flow passage (18).