CN213271193U

CN213271193U - Balance valve with flow detection function

Info

Publication number: CN213271193U
Application number: CN202021357165.1U
Authority: CN
Inventors: 金法宝
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-05-25
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a take flow detection's balanced valve relates to valve technical field, and its technical scheme main points are: the ultrasonic flow meter comprises a valve body, a water inlet pipeline and a controller, wherein the valve body is provided with a water inlet and a water outlet, the water inlet pipeline is communicated with the water inlet, and an ultrasonic flow meter for detecting the flow speed is arranged in the water inlet pipeline; the valve body is internally provided with a valve core for controlling water yield, the valve core comprises a movable ceramic chip and a static ceramic chip, the static ceramic chip is provided with a first through hole and a first through hole which is communicated with the water outlet, the movable ceramic chip is provided with a second through hole which can be communicated with the first through hole, the upper end of the movable ceramic chip is fixed with a valve rod, the valve rod can drive the movable ceramic chip to rotate, the upper end of the valve rod is provided with a motor which can control the valve rod to rotate, the motor and the ultrasonic flowmeter are respectively electrically connected with a controller, the controller receives signals output by the ultrasonic flowmeter and controls the rotation of the motor, the valve rod is controlled and the rotation of.

Description

Balance valve with flow detection function

Technical Field

The utility model relates to the technical field of valves, in particular to take flow measurement's balanced valve.

Background

Chinese patent No. CN204025779U discloses a constant flow electric control dynamic balance valve, which comprises a hollow valve body, a water inlet and a water outlet which are communicated with each other are arranged at two ends of the valve body, a valve liner assembly for adjusting the flow constant is arranged in the water inlet, the valve liner assembly comprises a box body which is hermetically mounted in the valve body, a connecting water channel is arranged in the box body, a box cover which is hermetically mounted is arranged at the water outlet end of the connecting water channel, and a water through hole is arranged in the box cover; a movable valve core which is movably and hermetically installed and axially reciprocates along the axial lead of the connecting water channel is arranged in the connecting water channel, a water inlet hole is arranged in the movable valve core, and at least one side water hole communicated with the water inlet hole is arranged on the outer circumferential surface of the water inlet end of the water inlet hole; elastic elements which are mutually pushed are arranged between the movable valve core and the box cover, the outer wall of a water through hole in the box cover extends towards the water inlet hole of the movable valve core and forms movable sealing with the inner wall of the water inlet hole; an upper outer shoulder is arranged on the outer circumferential surface of the upper part of the movable valve core, and a middle outer shoulder is arranged on the outer circumferential surface of the middle part of the movable valve core; the upper outer shoulder and the inner wall of the box body are movably sealed, and an upper cavity with a closed structure is formed among the upper outer shoulder, the box body and the box cover; the middle and outer shoulders are movably sealed with the inner wall of the box body, and a lower cavity with a closed structure is formed among the middle and outer shoulders, the box body and the upper and outer shoulders; the movable valve core is also provided with oil guide holes which are respectively communicated with the upper cavity and the lower cavity; hydraulic oil is filled in the upper cavity, the oil guide hole and the lower cavity.

The technical scheme has the following defects: the elastic element is likely to age, the elasticity of the elastic element is not constant, the elasticity of the elastic element is weakened along with the increase of the using time, and the expansion control of the movable valve rod cannot be accurately met in an oil pressure mode, so that the flow of the water outlet cannot be accurately controlled and is constant in a mode of pushing the movable valve rod to extend or contract through the elastic element and the oil pressure, and the hydraulic imbalance phenomenon cannot be effectively improved if the flow is not constant.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a take flow detection's balanced valve, it has the advantage of delivery port flow invariant.

The above technical purpose of the present invention can be achieved by the following technical solutions: the ultrasonic flow meter comprises a valve body, a water inlet pipeline and a controller, wherein the valve body is provided with a water inlet and a water outlet, the water inlet pipeline is communicated with the water inlet, and an ultrasonic flow meter for detecting the flow speed is arranged in the water inlet pipeline; the valve body is internally provided with a valve core for controlling water yield, the valve core comprises a movable ceramic chip and a static ceramic chip, the static ceramic chip is provided with a first through hole and a first through hole which is communicated with a water outlet, the movable ceramic chip is provided with a second through hole which can be communicated with the first through hole, the upper end of the movable ceramic chip is fixed with a valve rod, the valve rod can drive the movable ceramic chip to rotate, the upper end of the valve rod is provided with a motor which can control the valve rod to rotate, the motor and the ultrasonic flowmeter are respectively and electrically connected with a controller, and the controller receives signals output by the ultrasonic flowmeter and controls the rotation.

Through above-mentioned technical scheme, rivers flow in from the inlet channel, the velocity of flow of water can be detected to the ultrasonic flowmeter on the inlet channel, feed back it to the controller afterwards, controller output signal to motor, motor output end control valve rod, the ceramic chip is moved in the control of valve rod, it can adjust the size of water yield to move the ceramic chip rotation, thereby when the flow that ultrasonic flowmeter detected is great, it rotates and makes the outlet area that is linked together the part between through-hole one and the through-hole two reduce to move the ceramic chip, vice versa, thereby make the water yield of delivery port invariable.

Preferably, the movable ceramic sheet is provided with a third through hole, the hole wall of the third through hole is provided with a semicircular key, and the lower end of the valve rod is inserted into the third through hole.

Through the technical scheme, the valve rod is inserted into the movable ceramic piece and matched with the movable ceramic piece key, so that the valve rod can drive the movable ceramic piece to rotate.

Preferably, the outer wall of the lower end of the valve rod extends outwards to form a protruding block capable of extruding the movable ceramic chip, and a plastic gasket is arranged between the lower end face of the protruding block and the upper end face of the movable ceramic chip.

Through the technical scheme, the lug can apply force to the movable ceramic chip, so that the movable ceramic chip cannot be displaced in the vertical direction, the plastic gasket can prevent the movable ceramic chip and the lug from being directly extruded in the working process, and the service life of the movable ceramic chip and the service life of the lug are prolonged.

Preferably, the inlet channel has vertical ascending branch pipe one and branch pipe two, ultrasonic flowmeter includes transducer one and transducer two, transducer one is located branch pipe one and the lateral wall of transducer one leans on with the inner wall of branch pipe one mutually, transducer two is located branch pipe two and the lateral wall of transducer two leans on with the inner wall of branch pipe two mutually.

Through the technical scheme, the transducer sends out signal transmission to transducer two, thereby transducer two receives behind the signal that transducer one spreads out and sends it to the controller again and realize the feedback to the velocity of flow, thereby transducer one can not take place the displacement of horizontal direction in branch pipe one with the inner wall of branch pipe one is leaned on mutually to the lateral wall of transducer one, thereby transducer two's lateral wall and the inner wall of branch pipe two lean on mutually and lean on transducer two can not take place the displacement of horizontal direction in branch pipe two.

Preferably, the inner wall of the first branch pipe extends outwards to form a first baffle, a first waterproof ring is placed at the upper end of the first baffle, the upper end of the first waterproof ring is extruded with the lower end of the first transducer, a second baffle is formed at the inner wall of the second branch pipe by extending outwards, a second waterproof ring is placed at the upper end of the second baffle, and the upper end of the second waterproof ring is extruded with the lower end of the second transducer.

According to the technical scheme, the baffle plate is used for limiting the position of the transducer I in the vertical direction to prevent the transducer I from sliding downwards, and the waterproof ring I is used for preventing water from entering the branch pipe and damaging the transducer I; the two pairs of the energy converters II are limited in the vertical direction, so that the two pairs of the energy converters II are prevented from sliding downwards, and the waterproof ring is used for preventing water from entering the branch pipe II and damaging the energy converters II.

Preferably, a first reflector plate and a second reflector plate are arranged in the water inlet pipeline, the first reflector plate is positioned under the first transducer, an included angle between the first reflector plate and the horizontal direction is 45 degrees, the second reflector plate is positioned under the second transducer, and an included angle between the second reflector plate and the horizontal direction is 135 degrees.

Through the technical scheme, the transducer transmits signals which sequentially pass through the first reflector plate and the second reflector plate, the second reflector plate reflects the signals to the second transducer, and the angle between the first reflector plate and the second reflector plate and the horizontal direction is limited, so that the signal transmission is more stable.

Preferably, a first reflecting plate and a second reflecting plate are further arranged in the water inlet pipeline, the first reflecting plate is fixed on the first reflecting plate, a first barb is arranged at the lower end of the first reflecting plate, and a second barb is arranged at the lower end of the second reflecting plate which is fixed on the second reflecting plate.

Through the technical scheme, the first reflection sheet is fixed on the first reflection plate, the first barb is used for reinforcing and fixing to prevent the first reflection sheet from falling off, the second reflection sheet is fixed on the second reflection plate, and the second barb is used for reinforcing and fixing to prevent the second reflection sheet from falling off.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

1. the flow of the water outlet is constant;

2. the service life of the movable ceramic chip and the convex block on the valve rod is prolonged.

Drawings

FIG. 1 is a sectional view of the embodiment;

FIG. 2 is a schematic structural view of an ultrasonic flowmeter according to an embodiment;

FIG. 3 is a schematic structural diagram of the movable ceramic sheet in the embodiment.

Reference numerals: 1. a controller; 2. a valve body; 21. a water inlet; 22. a water outlet; 23. a valve core; 231. moving the ceramic sheet; 2311. a second through hole; 2312. a third through hole; 232. a static ceramic chip; 2321. a first through hole; 24. A water inlet baffle plate; 25. a water outlet baffle plate; 3. a water inlet pipe; 31. a first branch pipe; 311. a first baffle plate; 32. A second branch pipe; 321. a second baffle plate; 4. an ultrasonic flow meter; 41. a first transducer; 42. a second transducer; 5. a valve stem; 51. a bump; 6. a semicircular key; 7. a motor; 8. a valve cover; 9. a water inlet flow channel; 10. a water outlet flow channel; 11. a housing; 12. a plastic gasket; 13. a cover plate; 14. a waterproof ring I; 15. a waterproof ring II; 16. a first reflector plate; 17. a second reflector plate; 18. a mounting frame; 181. a first reflecting plate; 1811. a first barb; 182. a second reflecting plate; 1821. and a second barb.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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 balance valve with flow detection is disclosed, as shown in figures 1 to 3, and comprises a valve body 2, a water inlet pipeline 3 and a controller 1, wherein the valve body 2 is provided with a water inlet 21 and a water outlet 22, the water inlet pipeline 3 is communicated with the water inlet 21, and an ultrasonic flowmeter 4 for detecting the flow speed is arranged in the water inlet pipeline 3; the valve body 2 is internally provided with a valve core 23 for controlling water yield, the valve core 23 comprises a movable ceramic chip 231 and a static ceramic chip 232, the static ceramic chip 232 is provided with a first through hole 2321, the first through hole 2321 is communicated with the water outlet 22, the movable ceramic chip 231 is provided with a second through hole 2311 which can be communicated with the first through hole 2321, the upper end of the movable ceramic chip 231 is fixed with a valve rod 5, the movable ceramic chip 231 is provided with a third through hole 2312, the hole wall of the third through hole 2312 is provided with a semicircular key 6, the semicircular key 6 and the third through hole 2312 are integrally formed, the lower end of the valve rod 5 is matched with the semicircular key 6 and is inserted into the third through hole 2312, so that the valve rod 5 can drive the movable ceramic chip 231 to rotate, the upper end of the valve rod 5 is provided with a motor 7 which can control the rotation of the valve rod 5.

The upper end of the valve body 2 is provided with a valve cover 8, and the upper end of the valve rod 5 passes through the valve cover 8 and is fixed with the output end of the motor 7 and synchronously rotates.

The inner wall of the valve body 2 extends outwards to form a water inlet baffle plate 24 and a water outlet baffle plate 25, the static ceramic pieces 232 are fixed between the water inlet baffle plate 24 and the water outlet baffle plate 25, a water inlet flow passage 9 is formed between the water inlet baffle plate 24 and the inner wall of the valve body 2, the water inlet pipeline 3 is communicated with the water inlet flow passage 9, a water outlet flow passage 10 is formed between the water outlet baffle plate 25 and the inner wall of the valve body 2, the water outlet flow passage 10 is communicated with the water outlet 22, water flows into the water inlet flow passage 9 from the water inlet pipeline 3, and then flows through the first through hole 2321, the second through hole 2311 and the water outlet flow passage 10 in.

The valve body 2 is also provided with a shell 11 outside, and the valve body 2, the controller 1 and the motor 7 are all arranged on the shell 11.

The outer wall of the lower end of the valve rod 5 extends outwards to form a projection 51 capable of pressing the movable ceramic sheet 231, and a plastic gasket 12 is arranged between the lower end face of the projection 51 and the upper end face of the movable ceramic sheet 231.

A cover plate 13 is fixed at the upper end of the ultrasonic flowmeter 4, the cover plate 13 is used for preventing the position of the ultrasonic flowmeter 4 from deviating under the impact of water flow, the water inlet pipeline 3 is provided with a first branch pipe 31 and a second branch pipe 32 which are vertically upward and communicated with the water inlet pipeline 3, the ultrasonic flowmeter 4 comprises a first transducer 41 and a second transducer 42, the first transducer 41 is positioned in the first branch pipe 31, the side wall of the first transducer 41 is attached to the inner wall of the first branch pipe 31, the second transducer 42 is positioned in the second branch pipe 32, and the side wall of the second transducer 42 is attached to the inner wall of the second branch pipe 32.

The inner wall of the first branch pipe 31 extends outwards to form a first baffle 311, a first waterproof ring 14 is arranged at the upper end of the first baffle 311, the upper end of the first waterproof ring 14 is extruded with the lower end of the first transducer 41, the inner wall of the second branch pipe 32 extends outwards to form a second baffle 321, a second waterproof ring 15 is arranged at the upper end of the second baffle 321, and the upper end of the second waterproof ring 15 is extruded with the lower end of the second transducer 42.

Be provided with reflector plate one 16 and reflector plate two 17 in the inlet channel 3, reflector plate one 16 is located directly below transducer one 41 and the contained angle of reflector plate one 16 and horizontal direction is 45, and reflector plate two 17 is located directly below transducer two 42 and the contained angle of reflector plate two 17 and horizontal direction is 135, because reflector plate one 16 and reflector plate two 17 all are located into water runner 9, can detect the velocity of flow when the signal passes through.

The water inlet pipeline 3 is also internally fixed with a mounting frame 18, the mounting frame 18 is provided with a first reflection plate 181 and a second reflection plate 182, the first reflection sheet 16 is fixed on the first reflection plate 181, the lower end of the first reflection plate 181 is provided with a first barb 1811, and the second reflection sheet 17 is fixed on the second reflection plate 182, and the lower end of the second reflection plate 182 is provided with a second barb 1821.

The working principle is as follows: water flows in from the water inlet pipeline 3, the first transducer 41 on the water inlet pipeline 3 sends a signal, the signal is transmitted to the second transducer 42 after passing through the first reflector 16 and the second reflector 17 in sequence, the second transducer 42 receives the signal transmitted by the first transducer 41 and then sends the signal to the controller 1, so that the feedback of the flow speed is realized, the controller 1 outputs the signal to the motor 7 through calculation, the output end of the motor 7 controls the valve rod 5, the valve rod 5 controls the movable ceramic piece 231, and the movable ceramic piece 231 rotates to adjust the water outlet amount, so that when the flow detected by the ultrasonic flowmeter 4 is large, the movable ceramic piece 231 rotates to reduce the water outlet area of a part communicated between the first through hole 2321 and the second through hole 2311, and vice versa, so that the water outlet amount of the water outlet 22 is constant.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. The utility model provides a take flow detection's balanced valve which characterized by: the flow meter comprises a valve body (2), a water inlet pipeline (3) and a controller (1), wherein the valve body (2) is provided with a water inlet (21) and a water outlet (22), the water inlet pipeline (3) is communicated with the water inlet (21), and an ultrasonic flowmeter (4) for detecting the flow rate is arranged in the water inlet pipeline (3); the water outlet control valve is characterized in that a valve core (23) used for controlling water outlet amount is arranged in the valve body (2), the valve core (23) comprises a movable ceramic chip (231) and a static ceramic chip (232), the static ceramic chip (232) is provided with a first through hole (2321), the first through hole (2321) is communicated with a water outlet (22), the movable ceramic chip (231) is provided with a second through hole (2311) communicated with the first through hole (2321), a valve rod (5) is fixed at the upper end of the movable ceramic chip (231), the valve rod (5) can drive the movable ceramic chip (231) to rotate, the upper end of the valve rod (5) is provided with a motor (7) capable of controlling the rotation of the valve rod (5), the motor (7) and the ultrasonic flowmeter (4) are electrically connected with a controller (1) respectively, and the controller (1) receives signals output by the ultrasonic flowmeter (4) and.

2. The balanced valve with flow detection as claimed in claim 1, wherein: the movable ceramic chip (231) is provided with a third through hole (2312), the wall of the third through hole (2312) is provided with a semicircular key (6), and the lower end of the valve rod (5) is inserted into the third through hole (2312).

3. The balanced valve with flow detection as claimed in claim 2, wherein: the outer wall of the lower end of the valve rod (5) extends outwards to form a convex block (51) capable of extruding the movable ceramic chip (231), and a plastic gasket (12) is arranged between the lower end face of the convex block (51) and the upper end face of the movable ceramic chip (231).

4. The balanced valve with flow detection as claimed in claim 1, wherein: the inlet channel (3) have vertical ascending branch pipe one (31) and branch pipe two (32), ultrasonic flowmeter (4) are including transducer one (41) and transducer two (42), transducer one (41) are located branch pipe one (31) and the lateral wall of transducer one (41) and the inner wall of branch pipe one (31) paste mutually, transducer two (42) are located branch pipe two (32) and the lateral wall of transducer two (42) and the inner wall of branch pipe two (32) paste mutually.

5. The balanced valve with flow detection as claimed in claim 4, wherein: the inner wall of branch pipe one (31) outwards extends and is formed with baffle one (311), waterproof circle one (14) have been placed to the upper end of baffle one (311), the upper end of waterproof circle one (14) extrudees with the lower extreme of transducer one (41) mutually, the inner wall of branch pipe two (32) outwards extends and is formed with baffle two (321), waterproof circle two (15) have been placed to the upper end of baffle two (321), the upper end of waterproof circle two (15) extrudees with the lower extreme of transducer two (42) mutually.

6. The balanced valve with flow detection as claimed in claim 5, wherein: be provided with reflector plate one (16) and reflector plate two (17) in inlet channel (3), the contained angle that reflector plate one (16) is located under transducer one (41) and reflector plate one (16) and horizontal direction is 45, reflector plate two (17) are located under transducer two (42) and the contained angle of reflector plate two (17) and horizontal direction is 135.

7. The balanced valve with flow detection as claimed in claim 6, wherein: the water inlet pipeline (3) is also internally provided with a first reflecting plate (181) and a second reflecting plate (182), the first reflecting sheet (16) is fixed on the first reflecting plate (181), the lower end of the first reflecting plate (181) is provided with a first barb (1811), the second reflecting sheet (17) is fixed on the second reflecting plate (182), and the lower end of the second reflecting plate (182) is provided with a second barb (1821).