Water flow controller with flow sensor

Abstract

A water flow controller with a flow sensor comprises a main body, an electromagnetic valve assembly, the water flow sensor and a temperature probe, the main body comprises a water inlet connector, a sensing cavity, a probe hole, at least two electromagnetic valve seats, a water collecting cavity and a water outlet connector, the water inlet connector, the water collecting cavity and the water outlet connector are located on the same straight line, and the water collecting cavity is communicated with an inner cavity of the main body; an inner cavity of the main body, the electromagnetic valve seat and the water collecting cavity are communicated, a valve element cavity and a valve element seat are arranged on the electromagnetic valve seat, and the valve element seat is communicated with the water collecting cavity; the water flow sensor is arranged in the sensing cavity, and the temperature probe is fixed in the probe hole and extends into the main body to detect the water temperature; the electromagnetic valve component is arranged on the electromagnetic valve seat; the electromagnetic valve core moves in the valve core cavity and is matched with the valve core seat to form an electromagnetic valve; and the water flow is controlled by the on-off control quantity of the electromagnetic valves. The water collecting cavity has a straight-through constant water volume, the on-off quantity of the electromagnetic valves realizes the conversion of water flow, and the use is convenient.

Description

Technical Field

[0001] The invention relates to a device for a hot water device, in particular to a device for detecting and controlling water flow. Background Art

[0002] The current existing technology, Chinese patent 201320778779.0, a water supply controller, is composed of a chassis and an internal water supply control circuit, including a single-chip microcomputer, a flow sensor, three setting switches, a reset switch, a start button, a stop button, automatic and manual conversion switches and a solenoid valve control relay, a time relay, and a digital tube display. The single-chip microcomputer is connected to the flow sensor through the I / O interface to collect water flow signals, and the single-chip microcomputer is connected to the start button, the stop button, and the conversion switch through the I / O interface. The output port of the single-chip microcomputer is connected to the solenoid valve control relay to realize the valve switch control function. The problem is: the control method is complicated.

[0003] Chinese Patent 201310226343.5, a water flow sensor, including a body, one end of which is provided with a water inlet and the other end is provided with a water outlet, a body accommodating cavity is provided between the water inlet and the water outlet, a temperature probe is installed at the water inlet, a turbine is provided in the body accommodating cavity, a multi-stage magnet is attached to the turbine, water flows through the turbine to make the turbine axially rotate to drive the multi-stage magnet to rotate, and also includes a middle cover, which is covered on the body, and a control circuit board accommodating cavity is provided on the middle cover to install the control circuit board, the control circuit board is connected with a Hall device that can sense the magnetic field of the multi-stage magnet, and an upper cover covered with the middle cover, and the upper cover, the middle cover and the body are fixedly connected. The problem is that it can only detect water flow. Summary of the invention

[0004] The purpose of the present invention is to provide a water flow controller with a flow sensor, which has the characteristics of detecting water flow and realizing water flow conversion.

[0005] The present invention is implemented as follows: a water flow controller with a flow sensor, characterized in that it includes a main body, a solenoid valve assembly, a water flow sensor, a flow limiting ring and a temperature probe,

[0006] The main body includes a water inlet interface, a sensing cavity, a probe hole, at least two solenoid valve seats, a water collecting cavity and a water outlet interface. The water inlet interface, the water collecting cavity and the water outlet interface are in a straight line. The water collecting cavity is connected with the inner cavity of the main body. The inner cavity of the main body, the solenoid valve seat and the water collecting cavity are connected. The solenoid valve seat is provided with a valve core cavity and a valve core seat, and the valve core seat is connected with the water collecting cavity.

[0007] The water flow sensor is arranged in the sensing cavity, the temperature probe is fixed in the probe hole and extends into the main body to detect the water temperature; the solenoid valve assembly is arranged on the solenoid valve seat, the solenoid valve core moves in the valve core cavity and cooperates with the valve core seat to form a solenoid valve; the number of on-off controls of the solenoid valve controls the water flow.

[0008] The water flow controller with a flow sensor is special in that there are two electromagnetic valve seats, and the opening ends thereof are symmetrically arranged in opposite directions.

[0009] The water flow controller with a flow sensor is special in that there are two electromagnetic valve seats, the opening ends of which face the same direction and are arranged in parallel.

[0010] The water controller with water flow sensor is special in that there are four solenoid valve seats, which are evenly distributed around the axis of the main body;

[0011] Or there are three solenoid valve seats, and the central angle between two adjacent solenoid valve seats is 90 degrees or 120 degrees.

[0012] The water flow controller with a flow sensor is special in that a flow limiting ring is arranged in the valve core seat.

[0013] The water flow controller with a flow sensor is special in that the sensing chamber includes a fixed chamber and an impeller chamber.

[0014] The water flow sensor comprises a seat, a rotor, a rotating shaft, a magnetic block and a Hall sensor.

[0015] The rotor comprises a cylindrical base, a water impeller part and a rotating shaft fixing hole, a magnetic block cavity is arranged on the cylindrical base, and the magnetic block is arranged in the magnetic block cavity;

[0016] The seat body is provided with a hinge cavity and a Hall cavity, and the Hall sensor is arranged in the Hall cavity;

[0017] A shaft countersunk hole is provided at a position of the main body opposite to the sensing cavity;

[0018] The seat body is fixed and sealed to the fixed cavity, the rotating shaft is fixed to the rotating shaft fixing hole, one end of the rotating shaft is rotatably matched with the seat body, and the other end is rotatably matched with the shaft countersunk hole, and the cylindrical base and the water impeller part rotate in the hinge cavity and the impeller cavity respectively.

[0019] The water flow controller with flow sensor is special in that: the fixed cavity includes a head cavity, a body cavity, two plug holes arranged on the head cavity and a positioning groove arranged at the end of the head cavity.

[0020] The seat body comprises a head and a body, the head is provided with an annular groove, and the end of the head is provided with a positioning plate;

[0021] Also included is a clevis pin;

[0022] The head and the head cavity are sealed, the body is arranged in the body cavity, the positioning plate is engaged with the positioning groove; the U-shaped pin is inserted into the plug hole and engaged with the annular clamping groove.

[0023] The water flow controller with a flow sensor is special in that it also includes a flow limiting ring, which includes a shell, an O-ring and an inner core.

[0024] One end of the shell is open, the open end is expanded, and the closed end is provided with a water outlet hole;

[0025] The inner core part comprises a circular ring seat, a core column with tooth grooves and radial ribs, and a flange is arranged on the circular ring seat;

[0026] The O-ring is sleeved on the core column, the inner core is embedded in the shell, the flange is engaged with the annular groove in the shell, and the O-ring is matched with the end plate and the annular seat of the shell.

[0027] The water flow controller with a flow sensor of the present invention adopts such a structure, the water collecting chamber has a straight-through fixed water volume, the number of on-off solenoid valves realizes the conversion of water flow size, and the use is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a perspective view of the present invention.

[0029] Figure 2 It is a three-dimensional exploded view of the present invention.

[0030] Figure 3 It is a cross-sectional view of the present invention in winter state.

[0031] Figure 4 yes Figure 3 A-A view of.

[0032] Figure 5 It is a cross-sectional view of the present invention in the summer state.

[0033] Figure 6 It is a cross-sectional view of the present invention in spring and autumn states.

[0034] Figure 7 It is a cross-sectional view of the current limiting ring of the present invention.

[0035] Figure 8 It is one of the three-dimensional exploded views of the current limiting ring of the present invention.

[0036] Fig. 9 This is the second three-dimensional exploded view of the current limiting ring of the present invention.

[0037] Fig.10 It is a perspective view of a second embodiment of the present invention.

[0038] Fig.11 It is a front view of the main body of the second embodiment of the present invention.

[0039] Fig.12 It is a cross-sectional view of a main body of a second embodiment of the present invention.

[0040] Fig.13 It is a cross-sectional view of a main body of a third embodiment of the present invention.

[0041] Fig.14 yes Fig.13 B-B view.

[0042] Fig.15 It is a three-dimensional diagram of a main body of a third embodiment of the present invention. DETAILED DESCRIPTION

[0043] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0044] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] Example 1

[0046] like Figure 1 As shown, a water flow controller with a flow sensor includes a main body 1, a solenoid valve assembly 2, a water flow sensor 3 and a temperature probe 4.

[0047] The main body 1 includes a water inlet interface 11, a sensing cavity 12, a probe hole 13, two solenoid valve seats 14, a water collecting cavity 15 and a water outlet interface 16. The water inlet interface 11, the water collecting cavity 15 and the water outlet interface 16 are in a straight line. The water guide hole on the partition between the water collecting cavity 15 and the inner cavity of the main body constitutes a straight water channel 17. The inner cavity of the main body, the solenoid valve seat 14 and the water collecting cavity 15 are connected. The solenoid valve seat 14 is provided with a valve core cavity 141 and a valve core seat 142. The valve core seat 142 is provided with a water guide hole. The valve core seat 142 is connected with the water collecting cavity 15; the probe hole 13 is connected with the inner cavity of the main body 1;

[0048] The water flow sensor 3 is arranged in the sensing cavity 12, the temperature probe 4 is fixed in the probe hole 13 and extends into the main body 1 to detect the water temperature; the solenoid valve assembly 2 is arranged on the solenoid valve seat 14, the solenoid valve core moves in the valve core cavity 141 and cooperates with the valve core seat 142 to form a solenoid valve; the number of on-off controls of the solenoid valve controls the water flow.

[0049] like Figure 2 , Figure 3 As shown, there are two solenoid valve seats 14, and the opening ends thereof are symmetrically arranged in opposite directions. In this embodiment, two solenoid valve seats 14 are arranged, distributed on the circumference around the axis of the main body 1; three or four solenoid valve seats may also be arranged;

[0050] As a further improvement of the present invention: a flow limiting ring 5 is provided inside the valve core seat 142;

[0051] like Figure 7 , Figure 8 As shown, the flow limiting ring 5 includes a housing 51, an O-ring 52 and an inner core 53.

[0052] One end of the shell 51 is open and the open end is expanded, and the closed end is provided with a water outlet hole 511;

[0053] The inner core 53 includes an annular seat 531, a core column 532 with teeth and grooves, and radial ribs 533. The annular seat 531 is provided with a flange 5311.

[0054] The O-ring 52 is sleeved on the stem 532, the inner core 53 is embedded in the shell 51, the stem 532 extends into the water outlet 511, the flange 5311 is engaged with the annular groove 5312 in the shell 51, the flange 5311 is in the annular groove 5312, and the inner core 53 moves along the axis of the shell 51; the O-ring 52 is matched with the end plate of the shell 51 and the annular seat 531. Figure 7 As shown, the hollow arrow indicates the water inlet side. When the water flow pressure increases, the O-ring deforms to make the water outlet hole 511 smaller. The change of water flow pressure realizes constant flow and current limiting, and keeps the water flow stable.

[0055] like Figure 2 , Figure 4 As shown, the sensing chamber 12 includes a fixed chamber 121 and an impeller chamber 122, and the probe hole 13 is connected to the impeller chamber;

[0056] The water flow sensor 3 includes a base 31, a rotor 32, a rotating shaft 33, a magnetic block 34 and a Hall sensor.

[0057] The rotor 32 includes a cylindrical base 321, a water impeller portion 322 and a rotating shaft fixing hole. A magnetic block cavity is provided on the cylindrical base 321, and the magnetic block 34 is provided in the magnetic block cavity.

[0058] The base body 31 is provided with a hinge cavity 311 and a Hall cavity 312, and the Hall sensor 35 is provided in the Hall cavity 312;

[0059] A shaft countersunk hole is provided at a position of the main body 1 opposite to the sensing cavity 12;

[0060] The seat body 31 is fixed and sealed to the fixed cavity 121, the rotating shaft 33 is fixed to the rotating shaft fixing hole, one end of the rotating shaft 33 is rotationally matched with the shaft hole of the seat body 31, and the other end is rotationally matched with the shaft countersunk hole, and the cylindrical base 321 and the water impeller part 322 rotate in the hinge cavity 311 and the impeller cavity 122 respectively.

[0061] As a further improvement of the present invention: the fixing cavity 121 includes a head cavity 1211, a body cavity 1212, two plug holes 1214 provided on the head cavity 1211 and a positioning groove 1213 provided at the end of the head cavity.

[0062] The seat body 31 includes a head 313 and a body 314. The head 313 is provided with an annular groove, and a positioning plate is provided at the end of the head 313.

[0063] Also includes a U-shaped pin 6;

[0064] The head 313 and the head cavity 1211 are sealed, the body 314 is arranged in the body cavity 1212, the positioning plate is engaged with the positioning groove 1213, and the U-shaped pin 6 is inserted into the plug hole 1214 and engaged with the annular groove. With such a structure, disassembly and assembly are convenient.

[0065] like Figure 3 As shown, both solenoid valves are in the cut-off state, and water flows out through the water inlet interface 11, the impeller chamber 122, the straight water channel 17, the water collecting chamber 15 and the water outlet interface 16. In this winter, the water flow is at the minimum state;

[0066] like Figure 5 As shown, both solenoid valves are in the conducting state, (i) water passes through the water inlet interface 11, the impeller cavity 122, the straight water channel 17, and the water collecting cavity 15; (ii) water enters the water collecting cavity through the impeller cavity 122, the valve core cavity 141, and the valve core seat 142. This is the summer mode;

[0067] like Figure 6 As shown, of the two solenoid valves, one is turned on and the other is turned off; this is the spring and autumn mode.

[0068] Example 2

[0069] like Fig.10 , Fig.11 As shown, there are two solenoid valve seats 14, the opening ends of which are oriented in the same direction and are arranged in parallel, or in rows.

[0070] Example 3

[0071] like Fig.13 As shown, there are four electromagnetic valve seats 14 evenly distributed on the circumference. With such a design layout, multi-stage control of water output is achieved.

[0072] Alternatively, three electromagnetic valve seats 14 are provided, and the central angle between two adjacent electromagnetic valve seats is 90 degrees or 120 degrees.

[0073] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A water flow controller with a flow sensor, characterized in that: Including the main body, solenoid valve assembly, water flow sensor and temperature probe, The main body includes a water inlet interface, a sensing cavity, a probe hole, at least two solenoid valve seats, a water collecting cavity and a water outlet interface. The water inlet interface, the water collecting cavity and the water outlet interface are in a straight line. The water collecting cavity is connected with the inner cavity of the main body. The inner cavity of the main body, the solenoid valve seat and the water collecting cavity are connected. The solenoid valve seat is provided with a valve core cavity and a valve core seat, and the valve core seat is connected with the water collecting cavity. The water flow sensor is arranged in the sensing cavity, the temperature probe is fixed in the probe hole and extends into the main body to detect the water temperature; the solenoid valve assembly is arranged on the solenoid valve seat, the solenoid valve core moves in the valve core cavity and cooperates with the valve core seat to form a solenoid valve; the number of on-off controls of the solenoid valve controls the water flow.

2. A water controller with water flow sensor according to claim 1, characterized in that: There are two solenoid valve seats, and the opening ends thereof face oppositely and are symmetrically arranged.

3. A water controller with water flow sensor according to claim 1, characterized in that: There are two solenoid valve seats, the opening ends of which face the same direction and are arranged in a row.

4. A water controller with water flow sensor according to claim 1, characterized in that: There are four solenoid valve seats, which are evenly distributed around the axis of the main body; Or there are three solenoid valve seats, and the central angle between two adjacent solenoid valve seats is 90 degrees or 120 degrees.

5. A water controller with water flow sensor according to claim 1, characterized in that: A flow limiting ring is arranged in the valve core seat.

6. A water controller with water flow sensor according to claim 1, characterized in that: The sensing chamber includes a fixed chamber and an impeller chamber. The water flow sensor comprises a seat, a rotor, a rotating shaft, a magnetic block and a Hall sensor. The rotor comprises a cylindrical base, a water impeller part and a rotating shaft fixing hole, a magnetic block cavity is arranged on the cylindrical base, and the magnetic block is arranged in the magnetic block cavity; The seat body is provided with a hinge cavity and a Hall cavity, and the Hall sensor is arranged in the Hall cavity; A shaft countersunk hole is provided at a position of the main body opposite to the sensing cavity; The seat body is fixed and sealed to the fixed cavity, the rotating shaft is fixed to the rotating shaft fixing hole, one end of the rotating shaft is rotatably matched with the seat body, and the other end is rotatably matched with the shaft countersunk hole, and the cylindrical base and the water impeller part rotate in the hinge cavity and the impeller cavity respectively.

7. A water controller with water flow sensor according to claim 6, characterized in that: The fixed cavity includes a head cavity, a body cavity, two plug holes arranged on the head cavity and a positioning groove arranged at the end of the head cavity. The seat body comprises a head and a body, the head is provided with an annular groove, and the end of the head is provided with a positioning plate; Also included is a clevis pin; The head and the head cavity are sealed, the body is arranged in the body cavity, the positioning plate is engaged with the positioning groove; the U-shaped pin is inserted into the plug hole and engaged with the annular clamping groove.

8. A water controller with water flow sensor according to claim 5, characterized in that: It also includes a flow limiting ring, which includes a shell, an O-ring and an inner core. One end of the shell is open, the open end is expanded, and the closed end is provided with a water outlet hole; The inner core part comprises a circular ring seat, a core column with tooth grooves and radial ribs, and a flange is arranged on the circular ring seat; The O-ring is sleeved on the core column, the inner core is embedded in the shell, the flange is engaged with the annular groove in the shell, and the O-ring is matched with the end plate and the annular seat of the shell.

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