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 utility model relates to a device for a hot water device, in particular to a device for water flow detection and control. Background Art

[0002] In the current prior art, Chinese Patent No. 201320778779.0, a water supply controller, is composed of a chassis and an internal water supply control circuit connected thereto, and includes a single-chip microcomputer, a flow sensor, three setting switches, a reset switch, a start button, a stop button, an automatic / manual changeover switch, a solenoid valve control relay, a time relay, and a digital tube display. The single-chip microcomputer is connected to the flow sensor through an I / O interface for collecting water flow signals. The single-chip microcomputer is respectively connected to the start button, the stop button, and the changeover 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 function of controlling the opening and closing of the valve. The problem is that the control method is complex.

[0003] Chinese Patent No. 201310226343.5, a water flow sensor, includes a main body, one end of which is provided with a water inlet and the other end is provided with a water outlet. A main body accommodation 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 main body accommodation cavity, and a multi-stage magnet is attached to the turbine. When water flows through the turbine, the turbine rotates axially to drive the multi-stage magnet to rotate. It further includes a middle cover, which is covered on the main body. A control circuit board accommodation cavity is provided on the middle cover to install a control circuit board. A Hall device capable of sensing the magnetic field of the multi-stage magnet is connected in the control circuit board, and an upper cover that is covered with the middle cover, and the upper cover, the middle cover, and the main body are fixedly connected. The problem is that it can only detect the water flow. Summary of the Utility Model

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

[0005] The utility model is realized 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 current-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 on a straight line. The water collecting cavity is communicated with the inner cavity of the main body. The inner cavity of the main body, the solenoid valve seats, and the water collecting cavity are communicated. The solenoid valve seats are provided with a valve core cavity and a valve core seat. The valve core seat is communicated 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 on-off control of the solenoid valve controls the water flow rate.

[0008] For the water flow controller with a flow sensor, the special feature is that: there are two solenoid valve seats, and the open ends face in opposite directions and are symmetrically arranged.

[0009] For the water flow controller with a flow sensor, the special feature is that: there are two solenoid valve seats, and the open ends face in the same direction and are arranged in parallel.

[0010] For the water controller with a water flow sensor, the special feature is 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] For the water flow controller with a flow sensor, the special feature is that: a flow limiting ring is arranged in the valve core seat.

[0013] For the water flow controller with a flow sensor, the special feature is that: the sensing cavity includes a fixed cavity and an impeller cavity,

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

[0015] The rotor includes 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 hinged cavity and a Hall cavity, and the Hall sensor is arranged in the Hall cavity;

[0017] A shaft sink hole is arranged at the part of the main body opposite to the sensing cavity;

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

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

[0020] The seat body includes a head and a body. The head is provided with an annular clamping groove, and a positioning plate is arranged at the end of the head;

[0021] It also includes a U-shaped pin;

[0022] The head and the head cavity are sealed, the body part is arranged in the body part cavity, and the positioning plate is fitted into the positioning groove; the U-shaped pin is inserted into the insertion hole and fitted with the annular card slot.

[0023] The described water flow controller with a flow sensor is characterized in that: it also includes a flow limiting ring, and the flow limiting ring includes a housing, an O-ring and an inner core member.

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

[0025] The inner core member includes an annular seat, a core column with tooth grooves and radial ribs, and a flange is provided on the annular seat;

[0026] The O-ring is sleeved on the core column, the inner core member is embedded in the housing, the flange is fitted into the annular card slot in the housing, and the O-ring cooperates with the end plate and the annular seat of the housing.

[0027] For the water flow controller with a flow sensor of the present utility model, due to adopting such a structure, the water collecting cavity has a direct-through fixed water volume, and the number of on-off operations of the solenoid valve realizes the conversion of the water flow size, which is convenient to use. Brief Description of the Drawings

[0028] Figure 1 is the perspective view of the present utility model.

[0029] Figure 2 is the exploded perspective view of the present utility model.

[0030] Figure 3 is the cross-sectional view of the present utility model in the winter state.

[0031] Figure 4 is Figure 3 the A-A view of

[0032] Figure 5 is the cross-sectional view of the present utility model in the summer state.

[0033] Figure 6 is the cross-sectional view of the present utility model in the spring and autumn states.

[0034] Figure 7 is the cross-sectional view of the flow limiting ring of the present utility model.

[0035] Figure 8 is one of the exploded perspective views of the flow limiting ring of the present utility model.

[0036] Figure 9 is the other exploded perspective view of the flow limiting ring of the present utility model.

[0037] Figure 10 is the perspective view of the second embodiment of the present utility model.

[0038] Figure 11 It is the front view of the main body of the second embodiment of the present utility model.

[0039] Figure 12 It is the sectional view of the main body of the second embodiment of the present utility model.

[0040] Figure 13 It is the sectional view of the main body of the third embodiment of the present utility model.

[0041] Figure 14 It is Figure 13 the B-B view of

[0042] Figure 15 It is the perspective view of the main body of the third embodiment of the present utility model. Specific Embodiment

[0043] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation of the present utility model.

[0044] In the description of the present utility model, it should be noted that, unless otherwise clearly defined 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 directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0045] Embodiment 1

[0046] As Figure 1 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 on a straight line. The water guiding holes on the partition between the water collecting cavity 15 and the inner cavity of the main body form a direct water channel 17. The inner cavity of the main body, the solenoid valve seats 14 and the water collecting cavity 15 are connected. The solenoid valve seats 14 are provided with a valve core cavity 141 and a valve core seat 142. The valve core seat 142 is provided with a water guiding hole, and the valve core seat 142 is connected to the water collecting cavity 15; the probe hole 13 is connected to 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 on-off control of the solenoid valve controls the water flow rate by the number.

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

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

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

[0052] One end of the housing 51 is open and the open end is flared, and a water outlet hole 511 is provided at the closed end;

[0053] The inner core member 53 includes an annular seat 531, a core column 532 with tooth grooves and a radial rib 533, and a flange 5311 is provided on the annular seat 531;

[0054] The O-ring 52 is sleeved on the core column 532, the inner core member 53 is embedded in the housing 51, the core column 532 extends into the water outlet hole 511, the flange 5311 is engaged with the annular card slot 5312 inside the housing 51, the flange 5311 is inside the annular card slot 5312, and the inner core member 53 moves along the axis in the housing 51; the O-ring 52 cooperates with the end plate of the housing 51 and the annular seat 531. As Figure 7 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, and the change of the water flow pressure realizes constant flow and flow limiting to keep the water flow rate stable.

[0055] As Figure 2 , Figure 4 shown, the sensing cavity 12 includes a fixed cavity 121 and an impeller cavity 122, and the probe hole 13 communicates with the impeller cavity;

[0056] The water flow sensor 3 includes a seat body 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 part 322 and a rotating shaft fixing hole. A magnetic block cavity is provided on the cylindrical base 321, and the magnetic block 34 is arranged in the magnetic block cavity;

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

[0059] A shaft counterbore is provided at the part of the main body 1 opposite to the sensing cavity 12;

[0060] The seat body 31 is fixed and sealed with the fixed cavity 121, the rotating shaft 33 is fixed with 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 counterbore. The cylindrical base part 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 utility model: the fixed cavity 121 includes a head cavity 1211, a body cavity 1212, two insertion 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 clamping groove, and a positioning plate is provided at the end of the head 313.

[0063] It 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, and the positioning plate is fitted with the positioning groove 1213; the U-shaped pin 6 is inserted into the insertion hole 1214 and is fitted with the annular clamping groove. With such a structure, disassembly and assembly are convenient.

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

[0066] As Figure 5 shown, both solenoid valves are in the conducting state. (1) Water flows through the water inlet interface 11, the impeller cavity 122, the straight-through water channel 17, and the water collecting cavity 15; (2) 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] As Figure 6 shown, one of the two solenoid valves is conducting and the other is cut off; this is the spring and autumn mode.

[0068] Embodiment 2

[0069] As Figure 10 、 Figure 11 shown, there are two solenoid valve seats 14, and the opening ends face the same direction and are arranged in parallel, or arranged in rows.

[0070] Embodiment 3

[0071] AsFigure 13 As shown, the solenoid valve seat 14 has four evenly distributed on the circumference. With such a design layout, multi-stage control of the water output is achieved.

[0072] Or: or the solenoid valve seat 14 is provided with three, and the central angle between two adjacent solenoid valve seats is 90 degrees or 120 degrees.

[0073] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. 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: It includes a main body, a solenoid valve assembly, a water flow sensor, and a 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 on a straight line. The water collecting cavity communicates with the inner cavity of the main body. The inner cavity of the main body, the solenoid valve seats, and the water collecting cavity communicate with each other. The solenoid valve seats are provided with valve core cavities and valve core seats, and the valve core seats communicate 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 seats. The solenoid valve core moves in the valve core cavity and cooperates with the valve core seat to form a solenoid valve. The on-off control quantity of the solenoid valve controls the water flow.

2. The water flow controller with a flow sensor according to claim 1, characterized in that: There are two solenoid valve seats, and their open ends face in opposite directions and are symmetrically arranged.

3. The water flow controller with a flow sensor according to claim 1, characterized in that: There are two solenoid valve seats, and their open ends face in the same direction and are arranged in rows.

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

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

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

8. A water flow controller with a flow sensor according to claim 5, characterized in that: It also includes a flow limiting ring, and the flow limiting ring includes a housing, an O-ring, and an inner core member. One end of the housing is open and the open end is flared, and a water outlet hole is provided at the closed end. The inner core member includes a circular ring-shaped seat, a core column with tooth grooves, and radial ribs. A flange is provided on the circular ring-shaped seat. The O-ring is sleeved on the core column. The inner core member is embedded in the housing. The flange is fitted with the annular clamping groove in the housing. The O-ring cooperates with the end plate and the circular ring-shaped seat of the housing.

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