A modular water supply structure with integrated probe combination

Abstract

A modular water supply structure with an integrated probe combination, comprising a water inlet pipe assembly with a built-in water supply channel, a check valve assembly for opening and closing the water supply channel installed in the water inlet pipe assembly, and characterized in that: the water inlet pipe assembly is provided with an isolation chamber separated from the water supply channel, the isolation chamber is provided with a thermistor and a water level detector, and the thermistor and the water level detector are provided with lead wires; the water inlet pipe assembly is assembled and connected with a plurality of terminal blocks, which are electrically connected to the lead wires through the terminal blocks, so that the thermistor, the water level detector and the water inlet pipe assembly are combined into an installation module. The modular water supply structure of the present invention is easy to install and disassemble, and the water supply structure can be produced and assembled separately from the upper connector of the thermostat. The water supply structure is suitable for fully automated production, and the temperature sensor and the water level probe can be combined with the water supply structure to make the surface of the heating plate of the electric kettle cleaner and simpler and as flat as possible.

Description

Technical Field

[0001] The invention relates to the field of temperature controllers, in particular to a modular water supply structure with an integrated probe assembly. Background Art

[0002] At present, the existing electric kettles are such as the Chinese patent document, patent number: 201210057046.8 "An electric kettle with an automatic water supply structure and a thermostat combination", the electric kettle combines the automatic water supply structure and the thermostat and assembles them on the heating plate at the bottom of the electric kettle. Based on the structure of the patent, when the heating plate needs to have temperature detection and / or water level detection functions, such as Figure 6 As shown, the manufacturer needs to make a hole in the heating plate 1, and install a temperature probe 2 and a water level detection probe 3 extending from the inner cavity of the kettle in the hole respectively. After the temperature probe and the water level detection probe are assembled in place, their lead wires need to be connected to the thermostat, resulting in a complex bottom structure of the electric kettle, a cumbersome assembly process, and reduced production efficiency. In addition, multiple probes are placed on the surface of the heating plate, resulting in an uneven surface of the heating plate. Especially for electric kettles with glass bodies, the protruding probes will seriously affect their aesthetics. Therefore, the functional components of the temperature probe and the water level detection probe need to be modularly integrated into the water supply structure to achieve further improvement. Summary of the Invention

[0003] The purpose of the present invention is to solve the above-mentioned existing problems and provide a modular water supply structure with a simple and reasonable structure and an integrated probe combination. Its main function is to modularly integrate the main functional components of the temperature probe and the water level probe into the water supply structure, which is convenient for installation and disassembly, and at the same time makes the water supply structure suitable for fully automated production.

[0004] A modular water supply structure with an integrated probe assembly includes a water inlet pipe assembly with a built-in water supply channel, a check valve assembly for opening and closing the water supply channel installed in the water inlet pipe assembly, an isolation chamber separated from the water supply channel provided on the water inlet pipe assembly, a thermistor installed in the isolation chamber, and a first lead wire provided on the thermistor; a plurality of terminal blocks are assembled and connected to the water inlet pipe assembly, which are electrically connected to the first lead wire through the terminal blocks, so that the thermistor and the water inlet pipe assembly are combined into an installation module.

[0005] The purpose of the present invention can also be solved by the following technical measures:

[0006] As a more specific solution, the installation module further includes a water level detection component, which is installed in the isolation cavity. The water level detection component is provided with a second lead wire, which is electrically connected to the terminal piece.

[0007] As a further solution, the thermistor is against or close to the top surface of the isolation cavity, a through hole is provided at the top of the water inlet pipe assembly, and the detection end of the water level detector extends through the through hole and out from above the water inlet pipe assembly.

[0008] As a further solution, the water inlet pipe assembly is provided with a positioning groove for positioning and assembling the terminal block, a rivet protrusion is provided in the positioning groove, and a rivet hole is opened in the terminal block corresponding to the rivet protrusion. The terminal block is riveted and fixed in the positioning groove by hot-melt riveting protrusion.

[0009] As a further solution, the mounting module also includes a bottom cover, which is arranged at the bottom of the isolation cavity and completely covers the isolation cavity and at least part of the positioning groove. The bottom cover is provided with a top column extending into the isolation cavity, and the top column contacts and abuts against the thermistor.

[0010] As a further solution, the isolation chamber includes a first isolation chamber and a second isolation chamber, and the thermistor and the water level detector are respectively placed in the first isolation chamber and the second isolation chamber to isolate the two.

[0011] As a further solution, an upper connector is also included, and the installation module is assembled and connected to the top of the upper connector. The upper connector is provided with a plurality of conductors corresponding to the terminal pieces. When the installation module is assembled in place, the terminal pieces are electrically connected to the conductors by riveting.

[0012] As a further solution, the top of the upper connector is provided with an anti-foolproof positioning groove, and the bottom of the mounting module is provided with an anti-foolproof positioning protrusion that cooperates with the anti-foolproof positioning groove; the anti-foolproof positioning protrusion may be provided on the bottom surface of the bottom cover.

[0013] As a further solution, a metal mounting plate is also included, and the metal mounting plate is provided with an avoidance through hole corresponding to the water inlet pipe assembly. The side wall of the water inlet pipe assembly is provided with a pressure ring. The metal mounting plate is placed above the pressure ring and is assembled and connected with the upper connector through the metal mounting plate to press and fix the mounting module.

[0014] As a further solution, the water inlet pipe assembly includes a water inlet seat, a water inlet sleeve and a water inlet cover. The water inlet seat is connected to the top of the water inlet sleeve to form an isolation cavity with an open bottom. The water inlet seat is placed on the top of the upper connector, and the upper connector is provided with a central assembly through hole to avoid the water inlet sleeve; the water inlet cover is placed on the top of the water inlet sleeve, and a water inlet hole connected to the water supply channel is provided on the water inlet cover, and the detection end of the water level detection component is arranged below the water inlet cover.

[0015] As a further solution, two first lead wires are provided on the thermistor, and the water inlet pipe assembly is equipped with two first terminal pieces connected to the two first lead wires respectively; the water level detection member is in the shape of a lead wire as a whole, and one end of the lead wire-shaped water level detection member is a detection end in contact with water, and the other end is a lead end serving as a second lead wire, and the water inlet pipe assembly is equipped with a second terminal piece connected to the lead end.

[0016] The beneficial effects of the present invention are as follows:

[0017] The present invention provides a modular water supply structure with an integrated probe combination. The modular water supply structure has a simple structure, high strength, and is easy to install and disassemble. The water supply structure can be assembled in place together with the thermistor and the water level detection component at the same time. The water supply structure can be produced and assembled separately from the upper connector of the temperature controller, and the thermistor and the water level detection component are led out through riveted terminal pieces, making the water supply structure suitable for fully automated production. The temperature sensing probe and the water level probe can be combined with the water supply structure, making the surface of the heating plate of the electric kettle cleaner and simpler and kept as flat as possible. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the cross-sectional structure of the installation module of the present invention. Figure 1 .

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the installation module of the present invention. Figure 2 .

[0020] Figure 3 It is a schematic diagram of the exploded structure of the installation module of the present invention.

[0021] Figure 4 It is a schematic diagram of the exploded structure of the mounting module and the upper connector of the present invention.

[0022] Figure 5 It is a structural schematic diagram of the check valve assembly of the present invention.

[0023] Figure 6 It is a schematic diagram of the background technology structure of the present invention. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings and examples.

[0025] like Figures 1 to 5As shown, a modular water supply structure with an integrated probe combination includes a water inlet pipe assembly 1 with a built-in water supply channel 2, a check valve assembly 3 for opening and closing the water supply channel 2 is installed in the water inlet pipe assembly 1, an isolation chamber separated from the water supply channel 2 is provided on the water inlet pipe assembly 1, a thermistor 5 is installed in the isolation chamber, and the thermistor 5 is provided with a first lead wire 7; a plurality of terminal blocks are assembled and connected on the water inlet pipe assembly 1, which are electrically connected to the first lead wire 7 through the terminal blocks, so that the thermistor 5 and the water inlet pipe assembly 1 are combined into an installation module A.

[0026] The installation module A further comprises a water level detection member 6 , which is installed in the isolation cavity. The water level detection member 6 is provided with a second lead wire, which is electrically connected to the terminal piece.

[0027] Specifically, two first lead wires 7 are provided on the thermistor 5, and the water inlet pipe assembly 1 is equipped with two first terminal pieces 8 respectively connected to the two first lead wires 7; the water level detection member 6 is in the shape of a lead wire as a whole, and one end of the lead wire-shaped water level detection member 6 is a detection end 61 in contact with water, and the other end is a lead end 62 serving as a second lead wire, and the water inlet pipe assembly 1 is equipped with a second terminal piece 9 connected to the lead end 62.

[0028] The modular water supply structure has a simple structure, high strength, and is easy to install and disassemble. The water supply structure can be assembled in place together with the thermistor 5 and the water level detection component 6 at the same time. The water supply structure can be produced and assembled separately from the upper connector B of the thermostat, and the thermistor 5 and the water level detection component 6 are led out through riveted terminal pieces, making the water supply structure suitable for fully automated production. The temperature probe and the water level probe can be combined with the water supply structure, making the surface of the heating plate of the electric kettle cleaner and simpler and kept as flat as possible.

[0029] The thermistor 5 is against or close to the top surface of the isolation cavity, and a through hole 101 is provided at the top of the water inlet pipe assembly 1. The detection end 61 of the water level detection member 6 extends through the through hole 101 and out of the top of the water inlet pipe assembly 1; the thermistor 5 is against the top surface of the isolation cavity and is used to sense the heat transferred from the top of the water inlet pipe assembly 1, thereby determining the temperature of the drinking water in the electric heating kettle, and the detection end 61 of the water level detection member 6 is used to contact the heated drinking water, and determine the water level of the electric kettle through current feedback, thereby controlling the water supply structure to automatically supply water.

[0030] The water inlet pipe assembly 1 is provided with a positioning groove 102 for positioning and assembling the terminal piece, and a rivet protrusion 103 is provided in the positioning groove 102. The terminal piece is provided with a rivet hole 10 corresponding to the rivet protrusion 103, and the terminal piece is riveted and fixed in the positioning groove 102 by hot-melt riveting protrusion 103; the positioning groove 102 can not only help workers assemble the terminal piece, but also separate the terminal pieces, reduce the occurrence of creepage problems between the terminal pieces, and reduce interference.

[0031] The mounting module A also includes a bottom cover 11, which is arranged at the bottom of the isolation cavity and completely covers the isolation cavity and at least part of the positioning groove 102. The bottom cover 11 is provided with a top column 111 extending into the isolation cavity, and the top column 111 contacts and abuts the thermistor 5; the bottom cover 11 seals and protects the isolation cavity to prevent moisture from entering the isolation cavity and affecting the use of the thermistor 5 or the water level detector 6, and after the bottom cover 11 is assembled in place, the top column 111 can abut the thermistor 5 so that it abuts the top surface of the isolation cavity.

[0032] In addition, the bottom cover 11 is provided with a riveting through hole 112 corresponding to the riveting protrusion 103. After the bottom cover 11 is assembled to the bottom of the isolation cavity, the bottom cover 11 and the water inlet pipe assembly 1 clamp the terminal piece, and the riveting protrusion 103 is hot-melt riveted through the riveting through hole 112.

[0033] The isolation chamber includes a first isolation chamber 41 and a second isolation chamber 42, and the thermistor 5 and the water level detector 6 are respectively placed in the first isolation chamber 41 and the second isolation chamber 42 to achieve isolation between the two; reduce mutual interference between the thermistor 5 and the water level detector 6, and improve the detection accuracy of the thermistor 5 and the water level detector 6.

[0034] It also includes an upper connector B, and the installation module A is assembled and connected to the top of the upper connector B. The upper connector B is provided with a number of conductors corresponding to the terminal pieces. When the installation module A is assembled in place, the riveted springs 12 on the terminal pieces are electrically connected to the conductors by riveting. After the installation module A is assembled in place, the terminal pieces can also be connected to the conductors of the upper connector B by riveting, so that the temperature controller can achieve fully automated production.

[0035] Specifically, the conductor includes a conductive copper ring B1 disposed in the upper connector B. The conductive copper ring B1 is integrally provided with a conductive sheet B2 extending from the top of the upper connector B. The conductive sheet B2 is riveted to the riveted spring 12 on the terminal piece.

[0036] The top of the upper connector B is provided with an anti-foolproof positioning groove B3, and the bottom of the installation module A is provided with an anti-foolproof positioning protrusion 13 that cooperates with the anti-foolproof positioning groove B3; the anti-foolproof positioning protrusion 13 is provided on the bottom surface of the bottom cover 11; so that the installation module A can be positioned and assembled to the top of the upper connector B. Since the water inlet pipe assembly 1 also extends with a guide sleeve 14, an insulating rod is slidably installed in the guide sleeve 14. The insulating rod is used to press the dynamic contact piece B4 in the wire line to switch the thermostat circuit. Therefore, the installation module A needs to be installed in a directional manner so that the guide sleeve 14 can be correspondingly arranged above the dynamic contact piece B4.

[0037] It also includes a metal mounting plate C, which is provided with an avoidance through hole C1 corresponding to the water inlet pipe assembly 1. The side wall of the water inlet pipe assembly 1 is provided with a pressure ring 104. The metal mounting plate C is placed above the pressure ring 104 and is assembled and connected with the upper connector B through the metal mounting plate C to press and fix the mounting module A; when the mounting module A is assembled in place, the position of the mounting module A is fixed by the metal mounting plate C, and a bimetallic strip C2 is provided on the metal mounting plate C, and the temperature-sensing deformation of the bimetallic strip C2 acts on the above-mentioned insulating rod.

[0038] The water inlet pipe assembly 1 includes a water inlet seat 15, a water inlet sleeve 16 and a water inlet cover 17. The water inlet seat 15 is connected to the top of the water inlet sleeve 16 to form an isolation cavity with an open bottom. The water inlet seat 15 is placed on the top of the upper connector B. The upper connector B is provided with a central assembly through hole B5 to avoid the water inlet sleeve 16; the water inlet cover 17 is placed on the top of the water inlet sleeve 16. A water inlet hole 171 connected to the upper water channel 2 is provided on the water inlet cover 17. The detection end 61 of the water level detector 6 is arranged below the water inlet cover 17; the water inlet sleeve 16 passes through the upper connector B, enabling the installation module A to be plugged in and fixed, and effectively separating water and the conductor.

[0039] In this practical solution, the check valve assembly 3 includes a connecting frame 31, a spring 32, a steel ball pressure cover 33, a leak-proof steel ball 34 and a leak-proof sleeve 35. The upper end of the steel ball pressure cover 33 is provided with a positioning cavity 331 for accommodating one end of the spring 32, and the lower end is provided with a steel ball groove 332 adapted to fit the leak-proof steel ball 34. The two ends of the spring 32 are against each other between the connecting frame 31 and the steel ball pressure cover 33. The leak-proof sleeve 35 is sealed and placed at the bottom port of the water inlet sleeve 16 and is provided with an inlet The water channel 351 and the upper part of the leak-proof sleeve 35 are provided with an inclined end surface 352 inclined toward the water inlet channel 351. The leak-proof steel ball 34 is placed on the inclined end surface 352, and the steel ball pressure cover 33 is acted upon by the spring 32 to seal the water inlet channel 351. When water is supplied, the water pressure lifts the leak-proof steel ball 34 to compress the spring 32. When water supply stops, the leak-proof steel ball 34 is pressed against the inclined end surface 352 by the force of the spring 32 and its own gravity, thereby sealing the water inlet channel 351.

[0040] In addition, a central sealing ring 18 is provided on the side wall of the water inlet cover 17. When the thermostat is assembled to the heating plate of an electric kettle or other equipment, the central sealing ring 18 seals the gap between the water inlet pipe assembly 1 and the heating plate.

[0041] The above is a preferred embodiment of the present invention, which shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention as claimed, which is defined by the appended claims and their equivalents.

Claims

1. A modular water supply structure with an integrated probe assembly, comprising a water inlet pipe assembly with a built-in water supply channel, a check valve assembly installed in the water inlet pipe assembly for opening and closing the water supply channel, characterized in that: The water inlet pipe assembly is provided with an isolation cavity separated from the water supply channel, and a thermistor is installed in the isolation cavity, and the thermistor is provided with a first lead wire; a plurality of terminal blocks are assembled and connected to the water inlet pipe assembly, which are electrically connected to the first lead wire through the terminal block, so that the thermistor and the water inlet pipe assembly are combined into an installation module; the installation module also includes a water level detection component, which is installed in the isolation cavity, and the water level detection component is provided with a second lead wire, and the second lead wire is electrically connected to the terminal block; the installation module also includes a bottom cover, which is provided at the bottom of the isolation cavity and completely covers the isolation cavity, and the bottom cover is provided with a top column extending into the isolation cavity, and the top column is in contact with and abuts the thermistor; the isolation cavity includes a first isolation cavity and a second isolation cavity, and the thermistor and the water level detection component are respectively placed in the first isolation cavity and the second isolation cavity to achieve isolation between the two.

2. The modular water supply structure with integrated probe assembly according to claim 1, characterized in that: The thermistor is against or close to the top surface of the isolation cavity, a through hole is provided on the top of the water inlet pipe assembly, and the detection end of the water level detection member passes through the through hole and extends out from above the water inlet pipe assembly.

3. The modular water supply structure with integrated probe assembly according to claim 1, characterized in that: The water inlet pipe assembly is provided with a positioning groove for positioning and assembling the terminal piece, a rivet protrusion is provided in the positioning groove, and the terminal piece is provided with a rivet hole corresponding to the rivet protrusion, and the terminal piece is riveted and fixed in the positioning groove by hot-melt riveting protrusion.

4. The modular water supply structure with integrated probe assembly according to claim 3, characterized in that: The bottom cover covers at least a portion of the positioning groove.

5. The modular water supply structure with integrated probe assembly according to claim 2, characterized in that: It also includes an upper connector, the installation module is assembled and connected to the top of the upper connector, and the upper connector is provided with a plurality of conductors corresponding to the terminal pieces. When the installation module is assembled in place, the terminal pieces are electrically connected to the conductors by riveting.

6. The modular water supply structure with integrated probe assembly according to claim 5, characterized in that: The top of the upper connector is provided with an anti-foolproof positioning groove, and the bottom of the mounting module is provided with an anti-foolproof positioning protrusion that cooperates with the anti-foolproof positioning groove; the anti-foolproof positioning protrusion is also provided on the bottom surface of the bottom cover.

7. The modular water supply structure with integrated probe assembly according to claim 5, characterized in that: It also includes a metal mounting plate, which has an avoidance through hole corresponding to the water inlet pipe assembly. The side wall of the water inlet pipe assembly is provided with a pressure ring. The metal mounting plate is placed above the pressure ring and is assembled and connected with the upper connector through the metal mounting plate to press and fix the mounting module.

8. The modular water supply structure with integrated probe assembly according to claim 5, characterized in that: The water inlet pipe assembly includes a water inlet seat, a water inlet sleeve and a water inlet cover. The water inlet seat is connected to the top of the water inlet sleeve to form an isolation cavity with an open bottom. The water inlet seat is placed on the top of the upper connector, and the upper connector is provided with a central assembly through hole to avoid the water inlet sleeve; the water inlet cover is placed on the top of the water inlet sleeve, and a water inlet hole connected to the water supply channel is provided on the water inlet cover. The detection end of the water level detection component is arranged below the water inlet cover.

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