CN219699679U

CN219699679U - Liquid heater

Info

Publication number: CN219699679U
Application number: CN202321010656.2U
Authority: CN
Inventors: 熊道波; 虞智勇
Original assignee: Zhejiang Meisen Electrical Appliance Co Ltd
Current assignee: Zhejiang Meisen Electrical Appliance Co Ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-09-19
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses a liquid heater, the main body of which comprises a shell and a containing cylinder which is arranged in the shell and matched with a cover body to form a containing space, wherein the shell and the containing cylinder surround to form a mounting cavity, the cylinder wall of the containing cylinder is provided with a plurality of ventilation holes, the periphery of the cylinder wall is provided with a ventilation pipeline communicated with the ventilation holes in a surrounding manner, a hot air structure for providing hot air is arranged in the mounting cavity, the hot air structure is connected with the ventilation pipeline, and the bottom of the containing cylinder is also provided with a heat conducting piece; through setting up hot-blast structure and air pipe with the air heating, carry the interior heating liquid of accommodation space with hot-blast transport through the ventilation hole, avoid clean liquid container, often change the trouble of water, also ensured sanitary problem, a plurality of ventilation holes enable hot-blast even entering accommodation space, evenly heat liquid, the heat-conducting piece is under the effect of hot-blast in addition, also can heat up, because the container bottom is difficult for contacting hot-blast, it is slow to heat up, this heat-conducting piece can carry out auxiliary heating to the container, promote heating rate.

Description

Liquid heater

Technical Field

The utility model relates to the technical field of devices for heating liquid, in particular to a liquid heater.

Background

The milk warmer is mainly used for preserving heat and heating foods such as milk, fruit juice and the like, so that the milk warmer accords with the drinking temperature of babies. The heating principle of the conventional milk warmer is that water in the milk warmer is heated firstly, then heat is transferred to a milk bottle through hot water, and then food in the milk bottle is heated; the defects of the product are that: the milk bottle is directly contacted with water in the container, after milk warming, a lot of water is adhered to the annual plane surface when the milk bottle is taken out, and the milk bottle needs to be wiped every time, and the water needs to be replaced frequently, so that the milk bottle is inconvenient to use; there are also water-free milk warmers in the market, which achieve the purpose of heating by contacting the heat conducting metal piece at the bottom with the milk bottles, but have local high temperature, and are not suitable for all milk bottles.

Disclosure of Invention

Therefore, the utility model aims to overcome the defects in the prior art, thereby providing the liquid heater which has the advantages of uniform heating, convenient use and good heat preservation effect.

The utility model provides a liquid heater, includes the main part, the main part includes the shell, and sets up the holding section of thick bamboo that forms accommodation space with the lid cooperation in the shell, the shell with the section of thick bamboo is around forming the installation cavity, the section of thick bamboo wall of holding section of thick bamboo is provided with a plurality of ventilation holes, the periphery of section of thick bamboo wall around being equipped with the air pipe of ventilation hole intercommunication, install the hot-blast structure that provides hot-blast in the installation cavity, the hot-blast structure with air pipe connects, holding section of thick bamboo bottom still is provided with the heat-conducting member for auxiliary heating.

Further, the heat conducting piece is a metal piece which is fixed at the bottom of the accommodating cylinder and is in a ring-shaped structure.

Further, the hot air structure comprises a fan, a mounting piece provided with an air conveying channel, one end of the mounting piece is connected with the fan, and the other end of the mounting piece is connected with a ventilating duct, and a heating piece is arranged in the ventilating duct.

Further, the mounting piece further comprises a fan mounting part for mounting the fan, and a circuit mounting part for mounting a circuit board is arranged on the side edge, close to the fan, of the ventilating duct.

Further, the temperature sensing structure is arranged in the mounting cavity and is telescopic and movable in the accommodating space, the temperature sensing structure is connected with the circuit control switch arranged in the mounting cavity, and when the stable sensing structure is retracted, the circuit is conducted.

Further, temperature-sensing structure is including the shaping has the induction seat of cavity, sets up the induction frame in the cavity, the through-hole has been seted up at the induction seat top, the induction frame has been passed the boss of through-hole, the boss is fixed with the inductor, the boss upper shield be equipped with the tight response cap of inductor, just the below of inductor is equipped with the pressure spring.

Further, the induction seat is arranged in the mounting hole of the mounting piece, a first pin which can be connected with the elastic sheet of the circuit control switch is arranged on one side, close to the circuit control switch, of the induction seat, a second pin is arranged on the other side, opposite to the first pin, of the induction seat, and the length of the first pin is larger than that of the second pin.

Further, the mounting piece is fixed with a support piece for supporting the pressure spring, the support piece comprises a support portion connected with the pressure spring, and a groove is formed in the support portion.

Further, the boss is provided with an induction groove, the inductor is arranged in the induction groove, and two ends of the induction groove are longitudinally provided with guide grooves along the outer wall of the induction frame respectively.

Further, annular fixed slots are formed in the bottom of the accommodating cylinder, fixing pieces are arranged in the fixed slots, and bending parts which are bent inwards and fixed on the fixing pieces are arranged on two side edges of the heat conducting piece.

The technical scheme of the utility model has the following advantages:

1. according to the liquid heater provided by the utility model, the hot air structure and the ventilation pipeline are arranged to heat air, the hot air is conveyed into the accommodating space through the ventilation holes to heat liquid, the trouble of cleaning the liquid container and frequently changing water is avoided, the sanitation problem is also ensured, the plurality of ventilation holes can enable the hot air to uniformly enter the accommodating space to uniformly heat the liquid, in addition, the temperature of the heat conducting piece is raised under the action of the hot air, the bottom of the container is not easy to contact with the hot air, the temperature is raised slowly, and the heat conducting piece can assist in heating the container and improve the heating speed.

2. According to the liquid heater provided by the utility model, the temperature sensor utilizes the pressure spring to enable the sensing frame provided with the sensor to float up and down, the sensing cap can accurately conduct the temperature of the container to the sensor, the sensing seat covered outside the sensing frame can protect the sensor, the structure is simple, the assembly is convenient, the temperature sensing structure is arranged in the accommodating cavity in a telescopic manner, the temperature sensing structure can be tightly attached to the container, and the temperature sensing accuracy and accuracy are ensured; in addition, the temperature sensing structure is linked with the circuit control switch, so that the heater can be started when a container is placed in the heater, and the heater is powered off when the container is not placed in the heater, so that the electricity utilization safety of the heater is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a heater according to the present utility model;

FIG. 2 is a schematic view of another angle of the structure shown in FIG. 1;

FIG. 3 is a schematic view of the internal structure of the heater shown in FIG. 1;

FIG. 4 is a cross-sectional view of the device shown in FIG. 1;

FIG. 5 is a schematic diagram of the temperature sensing structure shown in FIG. 2;

FIG. 6 is a cross-sectional view of the temperature sensing structure shown in FIG. 5;

FIG. 7 is a schematic diagram of the induction stand shown in FIG. 5;

FIG. 8 is a schematic view of the induction cap of FIG. 5;

FIG. 9 is a schematic view of the mounting member shown in FIG. 3;

fig. 10 is a schematic structural view of the heat conductive member and the fixing member shown in fig. 2.

Reference numerals illustrate: 1. a housing; 11. a housing; 12. a base; 13. a protruding portion; 2. an accommodating cylinder; 21. a vent hole; 3. a ventilation duct; 4. a mounting member; 41. an air delivery channel; 42. a circuit mounting section; 43. a heating element mounting part; 44. a mounting hole; 5. a blower; 6. a temperature sensing structure; 61. a pressure spring; 62. an induction seat; 621. a first pin; 622. a second pin; 623. a clamping hole; 63. an induction cap; 631. sensing pins; 64. an induction rack; 641. a boss; 642. an induction tank; 643. a guide groove; 644. a buckle; 645. a pin mounting groove; 65. a cushion block; 66. an inductor; 7. a support; 8. a circuit control switch; 81. a spring plate; 9. a heat conductive member; 91. a bending part; 10. a fixing member; 101. and fixing the column.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the liquid heater includes a main body and a cover body (not shown in the drawings), the main body and the cover body cooperate to form a space capable of accommodating a liquid container therein, the main body includes a housing 1, a housing tube 2 disposed in the housing 1 and cooperating with the cover body to form a space, the housing 1 is assembled by a housing 11 and a base 12, the housing 1 and the housing tube 2 form a mounting cavity around, a plurality of ventilation holes 21 are disposed at the bottom of the tube wall of the housing tube 2, the plurality of ventilation holes 21 are regularly arranged along the peripheral wall, a ventilation pipe 3 communicating with the ventilation holes 21 is disposed around the periphery of the tube wall, a hot air structure for providing hot air is mounted in the mounting cavity, the hot air structure is connected with the ventilation pipe 3, and a heat conducting member 9 is further disposed at the bottom of the housing tube 2 for auxiliary heating.

Above-mentioned liquid heater heats the air through setting up hot-blast structure and air pipe 3, through ventilation hole 21 with hot-blast transport to the accommodation space in the heating liquid, avoid clean liquid container, often change the trouble of water, sanitary problem has also been ensured, a plurality of ventilation holes 21 enable hot-blast even entering accommodation space, evenly heat the liquid, heat conducting piece 9 also can heat up under the effect of hot-blast in addition, because the container bottom is difficult to contact hot-blast, the intensification is slow, this heat conducting piece 9 can carry out auxiliary heating to the container, promote heating rate.

In this embodiment, as shown in fig. 4 and 10, due to the structural design, the heat conducting member 9 is a metal member made of a metal material, and is a ring-shaped structure fixed at the bottom of the accommodating cylinder 2, which is a preferred solution of this embodiment.

In other embodiments, the container may be configured in a circular structure, and may contact the bottom of the container, thereby providing an auxiliary heating effect.

The hot air structure comprises a fan 5, a mounting piece 4 provided with an air conveying channel 41, wherein one end of the mounting piece 4 is connected with the fan 5, the other end of the mounting piece is connected with a ventilating duct 3, and a heating piece arranged in the ventilating duct 3, the air conveying channel 41 is spiral, the fan 5 is used for supplying air, the heating piece is used for heating air passing through the heating piece, the air conveying channel 41 is used for conveying the hot air into the ventilating duct 3, a plurality of air holes 21 are formed in the air conveying channel, and an included angle of the air conveying channel 41 is formed in the bottom of the ventilating duct 3.

The heating element can adopt a PTC heating element, so that air is blown to form hot air through the heating element, the heating element adopts a corrugated structure, the heating area of the heating element is increased, and the heating efficiency is improved.

An air inlet channel is arranged at the position of the base 12 opposite to the fan 5.

As shown in fig. 9, the mounting member 4 further includes a fan mounting portion for mounting the fan 5, a circuit mounting portion 42 for mounting a circuit board is disposed on a side of the ventilation duct 3, which is close to the fan 5, a mounting hole 44 is disposed in the middle, a plurality of fixing portions for fixing are formed on the mounting member 4, and a heating member mounting portion 43 is further disposed on the mounting member 4.

The liquid heater further comprises a temperature sensing structure 6 which is arranged in the mounting cavity and can stretch out and draw back, the temperature sensing structure 6 is connected with a circuit control switch 8 arranged in the mounting cavity, and when the stable sensing structure is retracted, a circuit is conducted.

As shown in fig. 5 and 6, the temperature sensing structure 6 includes a sensing seat 62 formed with a cavity, a sensing frame 64 disposed in the cavity, a through hole is formed at the top of the sensing seat 62, the sensing frame 64 is provided with a boss 641 capable of exposing the through hole, the boss 641 is fixed with a sensor 66, a sensing cap 63 tightly attached to the sensor 66 is covered on the boss 641, the sensing cap 63 is fixed between the sensing seat 62 and the sensing frame 64, and a compression spring 61 is disposed below the sensing frame 64.

The horizontal line at the end of the boss 641 is flush with or slightly higher than the horizontal line at the end of the induction seat 62, in this embodiment, the horizontal line at the end of the boss 641 is slightly higher than the horizontal line at the end of the induction seat 62, that is, the boss 641 is partially exposed out of the through hole, and this structure can make the inductor 66 slightly protrude upwards, closer to the induction cap 63, and improve the accuracy of temperature sensing.

The temperature sensor 66 utilizes the pressure spring 61 to enable the sensing frame 64 provided with the sensor 66 to float up and down, the sensing cap 63 can accurately conduct the temperature of the container to the sensor 66, and the sensing seat 62 covered outside the sensing frame 64 can protect the sensor 66, so that the structure is simple and the assembly is convenient.

As shown in fig. 8, the sensing cap 63 is a metal cap or a ceramic cap, and sensing pins 631 extending downward and cooperating with the sensing frame 64 are provided at opposite sides thereof. The sensing frame 64 is provided with a pin mounting groove 645 at a position opposite to the sensing pin 631.

As shown in fig. 7, the induction seat 62 is disposed in the mounting hole 44 of the mounting member 4, a first pin 621 capable of being connected to the spring plate 81 of the circuit control switch 8 is disposed on one side of the induction seat close to the circuit control switch 8, and a second pin 622 is disposed on the other side of the induction seat opposite to the first pin 621, and the length dimension of the first pin 621 is greater than the length dimension of the second pin 622. The first pins 621 and the second pins 622 can respectively hook the two sides of the mounting hole 44 to prevent slipping.

The bottom of the induction frame 64 is formed with two opposite buckles 644, and a clamping hole 623 suitable for clamping the buckle 644 is formed at a position of the induction seat 62 corresponding to the buckle 644; this configuration prevents the sensor holder 64 from falling off the sensor mount 62 during installation.

The mounting member 4 is fixed with a support member 7 for supporting the compression spring 61, the support member 7 comprises a support portion connected with the compression spring 61, a groove is formed in the support portion, and the support member 7 is located below the mounting hole 44.

The temperature sensing structure 6 is arranged in the accommodating cavity in a telescopic way, so that the temperature sensing structure 6 can be closely attached to the container, and the temperature sensing accuracy and precision are ensured; in addition, the temperature sensing structure 6 is linked with the circuit control switch 8, so that the heater can be started only when a container is placed in the heater, and the heater is powered off when the container is not placed in the heater, so that the power utilization safety of the heater is ensured.

The boss 641 is provided with an induction groove 642, the inductor 66 is arranged in the induction groove 642, both ends of the induction groove 642 are longitudinally provided with guide grooves 643 respectively along the outer wall of the induction frame 64, the guide grooves 643 are communicated with the induction groove 642, a lead wire of the inductor 66 is arranged in the guide grooves 643, a cushion block 65 for raising the inductor 66 is arranged in the induction groove 642, and the cushion block 65 can play roles of buffering and fixing.

As shown in fig. 10, the bottom of the accommodating cylinder 2 is formed with a ring-shaped fixing groove, a fixing member 10 is disposed in the fixing groove, two side edges of the heat conducting member 9 are provided with a plurality of bending portions 91 bent inwards and fixed on the fixing member 10, four fixing columns 101 are disposed at the bottom of the fixing member 10, and screws penetrate through the accommodating cylinder 2 and are connected with the fixing columns 101, so that the fixing of the heat conducting member 9 is realized.

The surface of the shell 1 is provided with a protruding part 13, and the protruding part 13 is provided with touch keys and a display screen.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. The utility model provides a liquid heater, its characterized in that, includes the main part, the main part includes shell (1), and sets up in shell (1) with lid cooperation forms accommodation chamber's holding section of thick bamboo (2), shell (1) with the section of thick bamboo (2) are around forming the installation cavity, the section of thick bamboo wall of holding section of thick bamboo (2) is provided with a plurality of ventilation holes (21), the periphery of section of thick bamboo wall around be equipped with ventilation pipe (3) of ventilation hole (21) intercommunication, install the hot-blast structure that provides hot-blast in the installation cavity, the hot-blast structure with ventilation pipe (3) are connected, holding section of thick bamboo (2) bottom still is provided with heat conducting member (9) for auxiliary heating.

2. A liquid heater as claimed in claim 1, wherein the heat-conducting member (9) is a metal member of annular configuration fixed to the bottom of the receiving cylinder (2).

3. A liquid heater according to claim 1, characterized in that the hot air structure comprises a fan (5), a mounting member (4) provided with an air duct (41) connected at one end to the fan (5) and at the other end to the ventilation duct (3), and a heat generating member provided in the ventilation duct (3).

4. A liquid heater as claimed in claim 3, wherein the mounting member (4) further comprises a fan mounting portion for mounting the fan (5), a circuit mounting portion (42) for mounting a circuit board is provided on a side of the ventilation duct (3) adjacent to the fan (5), and the heat generating member is mounted on the heat generating member mounting portion (43).

5. A liquid heater as claimed in claim 3, further comprising a temperature sensing structure (6) disposed within the mounting cavity and telescopically movable within the receiving space, the temperature sensing structure (6) being connected to a circuit control switch (8) disposed within the mounting cavity, the circuit being conductive when the temperature sensing structure (6) is retracted.

6. The liquid heater as claimed in claim 5, wherein the temperature sensing structure (6) comprises a sensing seat (62) formed with a cavity, a sensing frame (64) arranged in the cavity, a through hole is formed in the top of the sensing seat (62), the sensing frame (64) is provided with a boss (641) exposed out of the through hole, the boss (641) is fixedly provided with a sensor (66), a sensing cap (63) tightly attached to the sensor (66) is covered on the boss (641), and a pressure spring (61) is arranged below the sensing frame (64).

7. The liquid heater as claimed in claim 6, wherein the induction seat (62) is disposed in a mounting hole (44) of the mounting member (4), a first pin (621) capable of being connected with a spring plate (81) of the circuit control switch (8) is disposed on one side thereof close to the circuit control switch (8), a second pin (622) is disposed on the other side opposite to the first pin (621), and the length of the first pin (621) is longer than that of the second pin (622).

8. A liquid heater according to claim 7, characterized in that the mounting member (4) is fixed with a support member (7) for supporting the pressure spring (61), the support member (7) comprising a support portion connected with the pressure spring (61).

9. The liquid heater as claimed in claim 6, wherein the boss (641) is formed with a sensing groove (642), the sensor (66) is disposed in the sensing groove (642), and both ends of the sensing groove (642) are respectively provided with a guide groove (643) along the longitudinal direction of the outer wall of the sensing frame (64).

10. The liquid heater as claimed in claim 2, wherein the bottom of the accommodating cylinder (2) is formed with a ring-shaped fixing groove, a fixing member (10) is disposed in the fixing groove, and two side edges of the heat conducting member (9) are provided with bending parts (91) which are bent inwards and fixed on the fixing member (10).