CN215899444U

CN215899444U - Heating device

Info

Publication number: CN215899444U
Application number: CN202121487909.6U
Authority: CN
Inventors: 陈文楚
Original assignee: Foshan Shunde Langchen Electric Appliance Manufacturing Co ltd
Current assignee: Foshan Shunde Langchen Electric Appliance Manufacturing Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-02-25
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a heater, which comprises a shell, a heat conducting piece, a heating assembly and a circuit board, wherein the heating assembly is connected with the circuit board, the top end of the shell is provided with an opening, the heat conducting piece is arranged at the opening of the shell, the heating assembly is arranged below the heat conducting piece, the heat conducting piece comprises a heat conducting surface and a connecting wall, the connecting wall is provided with a connecting thread, and the heat conducting surface is an arched curved surface or at least one part of the heat conducting surface protrudes upwards to form a columnar heat conducting boss. The utility model makes the heat conducting part directly contact with the liquid to be heated by arranging the heat conducting part, the heating assembly, the power supply assembly and other components, and simultaneously sets the heat conducting surface as an arched curved surface or at least one part of the heat conducting surface protrudes upwards to form a columnar heat conducting boss, thereby increasing the contact area of the heat conducting surface and the liquid and improving the heating efficiency.

Description

Heating device

Technical Field

The utility model relates to a heater, in particular to a heater connected with a feeding bottle.

Background

The feeding bottle is used for feeding milk or water to infants, but when the feeding bottle is used, the infants cannot drink the whole bottle at one time, so that a feeding bottle heater is needed to be used for keeping the temperature of liquid in the feeding bottle when the infants feed the next time.

The traditional feeding bottle heater is a water bath heater, water is firstly heated by the heater, then the feeding bottle is placed into hot water, but the feeding bottle needs to be placed into the hot water by the heater, the outer wall of the feeding bottle is full of water, and the feeding bottle needs to be wiped with water additionally, so that the feeding bottle is very inconvenient to use.

The electric heating device is arranged at the bottom of the feeding bottle fixing groove, the feeding bottle needs to be placed into the feeding bottle fixing groove during heating, the electric heating device transfers heat to the feeding bottle after heating, and then the feeding bottle is used for heating liquid inside.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heater with high heating efficiency and simple structure.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a heater, includes casing, heat conduction spare, heating element and circuit board, heating element is connected with the circuit board, casing top opening, the casing opening part is located to the heat conduction spare, and heating element locates heat conduction spare below, the heat conduction spare includes heat conduction face and connecting wall, the connecting wall is equipped with connecting thread, the heat conduction face is arch curved surface or at least a part of heat conduction face upwards the arch form column heat conduction boss.

The heating assembly comprises a heating body, the heating body is attached to the inner surface of the heat conducting surface, and the shape of the heating body is matched with that of the heat conducting surface.

The heat conduction boss is in a cylindrical or polygonal columnar structure, and the height of the heat conduction boss is below 150 mm.

The heating assembly further comprises a supporting piece, the supporting piece is fixedly connected with the heat conductor, and the heating body is arranged between the heat conductor and the supporting piece.

The heater is also provided with a temperature sensing head, the temperature sensing head is connected with the circuit board and is contacted with the heat conducting surface, and the part of the heat conducting surface contacted with the temperature sensing head is a plane.

The heater is further provided with a power supply assembly, the power supply assembly comprises a power supply and a power supply fixing frame used for fixing the power supply, the power supply fixing frame is provided with a power supply fixing groove, and the power supply is fixedly installed in the power supply fixing groove.

The heater is further provided with a display screen, the display screen is electrically connected with the circuit board, the power supply fixing frame is further provided with a display screen clamping groove, the display screen is arranged in the display screen clamping groove, and the wall thickness of the area corresponding to the display screen on the shell is smaller than that of the surrounding area.

The power fixing frame is provided with a positioning column, the circuit board is provided with a positioning hole corresponding to the positioning column, and the positioning column penetrates through the positioning hole and is fixedly connected with the bottom of the shell.

The circuit board middle part is equipped with shift knob, the casing bottom corresponds shift knob position and is equipped with the casing through-hole, be equipped with the extruded article in the casing through-hole, the extruded article middle part is equipped with projection form button, projection form button can extrude shift knob under the exogenic action.

The top end of the convex column-shaped key is provided with a positioning groove, the periphery of the extrusion piece is provided with a guide wall, the end part of the guide wall is provided with a radially outward flange, the flange is provided with a plurality of flange through holes, the bottom of the shell is provided with a plurality of fixing clamping columns corresponding to the flange through holes, and the end parts of the fixing clamping columns protrude outwards to form buckles and penetrate the flange through holes.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model makes the heat conducting part directly contact with the liquid to be heated by arranging the heat conducting part, the heating assembly, the power supply assembly and other components, and simultaneously sets the heat conducting surface as an arched curved surface or at least one part of the heat conducting surface protrudes upwards to form a columnar heat conducting boss, thereby increasing the contact area of the heat conducting surface and the liquid and improving the heating efficiency. Meanwhile, the heating assembly comprises the heating body and the supporting piece, and the supporting piece is fixedly connected with the heat conducting piece and clamps the heating body between the heating body and the heat conducting piece, so that the internal structure of the heater is simplified and compact, and the volume of the heater is greatly reduced. The utility model can adopt the rechargeable battery as the power supply, and the power supply fixing frame are tightly installed, thereby greatly improving the convenience in use.

Drawings

FIG. 1 is a schematic view of the heater of the present invention from a top perspective;

FIG. 2 is a schematic view of the heater from the bottom view according to the present invention;

FIG. 3 is a sectional view showing a state where the heater of the present invention is combined with the baby bottle;

FIG. 4 is a cross-sectional view of the heater of the present invention;

FIG. 5 is a schematic view showing a structure of a heater heat-conducting member and a support member in a combined state according to the present invention;

FIG. 6 is a schematic diagram of the heater power supply assembly of the present invention;

FIG. 7 is a schematic view of the heater power module of the present invention from another perspective;

FIG. 8 is a schematic structural view of an extrusion of the present invention;

FIG. 9 is a cross-sectional view of an extrusion of the present invention;

FIG. 10 is a schematic structural view of embodiment 2 of the present invention;

FIG. 11 is a sectional view of embodiment 2 of the present invention;

fig. 12 is a schematic structural view of embodiment 3 of the present invention.

The reference numbers are as follows:

the feeding bottle comprises a shell 1, a shell bottom 11, a key 12, a positioning groove 121, an extrusion part 13, a guide wall 131, a flange 132, a fixed clamping column 14, a feeding bottle 2, a heat conducting part 3, a heat conducting surface 31, a connecting wall 32, a connecting thread 33, a plane part 34, a flange 341, a silica gel pad 342, a groove 35, a sealing ring 36, a heat conducting boss 37, a heating body 41, a support part 42, a support part through hole 43, a heating body through hole 44, a fixing groove 45, a temperature sensing device 5, a temperature sensing head 51, a power supply 61, a power supply fixing frame 62, a top surface 621, a bottom surface 622, a left side surface 623, a right side surface 624, a positioning column 63, a display screen clamping groove 64, a circuit board 7, a switch button 71, a charging interface 72, a positioning hole 73, a display screen 8 and a power supply fixing groove 91.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 to 4, the present invention relates to a portable heater, comprising a housing 1, a power supply module, a heating module and a circuit board 7, wherein the housing 1 is substantially a square column structure, the top end of the housing 1 is provided with an opening, the opening of the housing 1 is provided with a heat conducting member 3, the heat conducting member 3 comprises a heat conducting surface 31 and a connecting wall 32, the connecting wall 32 is provided with a connecting thread 33, and as shown in fig. 3, the connecting thread 33 can be engaged with an external thread at the mouth of a feeding bottle 2 so as to connect the feeding bottle 2 with the heat conducting member 3.

Preferably, the heat conducting member 3 is an integrally formed structure. The heat conducting surface 31 is a circular plane, the diameter of the heat conducting surface 31 is preferably 30 mm to 50 mm, a groove 35 is formed in the periphery of the heat conducting surface 31, and a sealing ring 36 is arranged in the groove 35.

As shown in fig. 4, the bottom of the connecting wall 32 is connected to the heat conducting surface 31, the top of the connecting wall 32 is provided with a planar portion 34, the edge of the planar portion 34 is provided with a downward flange 431, and the flange 341 is fastened to the opening of the housing 1. In order to improve the installation effect of the heat conducting member 3, a silicone pad 342 is disposed below the planar portion 34 of the heat conducting member 3, and the opening of the housing is clamped by the silicone pad 342 and the flange 341 of the planar portion 34 so as to stably fix the heat conducting member 3 at the opening of the housing.

The heating assembly is disposed below the heat conducting member 3, the heating assembly includes a heating element 41 and a supporting member 42, the supporting member 42 is fixedly connected with the bottom of the heat conducting member 3, preferably, fixedly connected with a screw, specifically, as shown in fig. 5, the bottom of the heat conducting surface 31 is provided with a plurality of fixing platforms (not shown), the fixing platforms are provided with fixing holes, such as threaded holes, the supporting member 42 is provided with fixing grooves 45 corresponding to the fixing platforms, the fixing grooves 45 are also provided with fixing holes, such as threaded holes, since fig. 5 only shows the structure of one side of the supporting member 42, and the fixing grooves 45 are shown as outward bulges in the view angle of fig. 5. The fixing table is embedded in the fixing groove 45 and fixes the heat conducting member 3 and the supporting member 42 together by a screw, and the fixing groove 45 and the fixing table are matched to play a role in positioning, so that the assembly is convenient to install.

Of course, the heat conducting member 3 and the supporting member 42 may be directly fixed to the top surface of the power supply fixing frame by means of a pillar as shown in fig. 6 and 7, respectively.

The heating element 41 is disposed between the bottom of the heat conducting member 1 and the supporting member 42, and the heating element 41 is preferably a PTC ceramic sheet and is electrically connected to the circuit board 7. The middle part of the support member 42 is provided with a support member through hole 43, and the middle part of the heating body 41 is provided with a heating body through hole 44. The heater is further provided with a temperature sensing device 5, the temperature sensing device 5 comprises a temperature sensing head 51, and the temperature sensing head 51 passes through the support member through hole 43 and the heating body through hole 44 to contact with the heat conducting surface 31. In order to prevent the temperature sensing head from moving, the middle of the heat conducting surface 31 is provided with an upward protrusion so as to form a concave position for positioning the temperature sensing head at the bottom of the heat conducting surface 31.

In order to make the temperature sensing head 51 closely contact with the heat conducting surface 31 and improve the temperature control accuracy, the end surface of the temperature sensing head 51 is a plane, and a supporting spring is arranged between the temperature sensing head and the supporting member 42, and the supporting spring tightly contacts the temperature sensing head 51 on the heat conducting surface 31. Preferably, the diameter of the supporter through hole 43 is smaller than the diameter of the end of the temperature sensing head 51, so that the temperature sensing head is prevented from being separated from the supporter 42. In order to facilitate the mounting of the temperature sensing head 51 into the holder through hole 43, the holder 42 is further provided with a head mounting hole communicating with the holder through hole 4.

In a preferred embodiment, the heat conducting surface 31 is configured as an arched curved surface, and the configuration of the heat conducting surface 1 as an arched curved surface increases the contact surface between the heat conducting surface and the liquid, thereby improving the heating efficiency of the liquid. The top of the arched curved surface is preferably arranged in a plane, so that the temperature sensing head can be conveniently installed and fixed, and the temperature measurement accuracy of the temperature sensing head is improved. Preferably, the heat generating body 41 is also provided as an arch-shaped curved surface so as to match with the heat conductive surface.

The power supply assembly is arranged below the heating assembly and comprises a power supply 61 and a power supply fixing frame 62 for fixing the power supply 61.

The power fixing frame 62 comprises a top surface 621, a bottom surface 622, a left side surface 623 and a right side surface 624, the left side surface 623 and the right side surface 624 are oppositely arranged and are respectively connected with the top surface 621 and the bottom surface 622, the top surface 621, the bottom surface 622, the left side surface 623 and the right side surface 624 enclose a mounting cavity, the power supply 61 is arranged in the mounting cavity, and the power supply is preferably a storage battery and is electrically connected with a circuit board.

The supporting element 42 is fixedly connected with the top surface 621 of the power fixing frame 62, and the circuit board 7 is fixedly connected with the bottom surface 622 of the power fixing frame 62, and the fixed connection can be fixed by screws.

The power fixing frame 62 is provided with a positioning column 63, the circuit board 7 is provided with a positioning hole 73 corresponding to the positioning column 63, and the positioning column 63 penetrates through the positioning hole 73 and is fixedly connected with the bottom 11 of the casing. The positioning column 63 is disposed on the left side surface 623, the right side surface 624 or the bottom surface 622 of the power fixing frame 62.

The heater is also provided with a display screen 8, and the display screen 8 is electrically connected with the circuit board 7. Still be equipped with display screen draw-in groove 64 on the power mount 62, display screen 8 sets up in display screen draw-in groove 64, display screen draw-in groove 64 is located the top surface 621 or the left surface 623 or the right surface 624 of power mount 62, the wall thickness that corresponds the region with display screen 8 on the casing 1 is less than the regional wall thickness of surrounding to see the temperature value that temperature sensing head 51 that display screen 8 shows through the casing measures.

The middle part of the circuit board 7 is provided with a switch button 71, and the bottom 11 of the shell is provided with a shell through hole corresponding to the position of the switch button. Casing bottom 11 still is equipped with soft cushion, soft cushion is fixed with 11 joints in casing bottom, and the position that corresponds with the casing through-hole on the soft cushion is equipped with convex column form button 12, button 12 passes the casing through-hole and contacts with shift knob 71, and when hard pressing soft cushion, button 12 extrudees shift knob 71 so that trigger or close the switch. As shown in fig. 8 and 9, the present invention may also be configured such that a soft rubber pad is not disposed on the bottom 11 of the casing, but an extrusion member 13 for extruding the switch button 71 is directly disposed at the through hole of the casing of the bottom 11 of the casing, the convex cylindrical key 12 is disposed at the middle of the extrusion member 13, and a positioning groove 121 is disposed at the top end of the convex cylindrical key 12, the positioning groove corresponding to the switch button 71 and accommodating at least a portion of the switch button 71. The extruded piece 13 periphery is equipped with guide wall 131, and guide wall 131 tip is equipped with radial outside turn-ups 132, be equipped with a plurality of turn-ups through-holes on the turn-ups 132, casing bottom 11 corresponds the fixed joint post 14 that turn-ups through-hole position was equipped with relative quantity, the outside protrusion of fixed joint post tip forms the buckle and passes the turn-ups through-hole, fixes extruded piece 13 in the base through-hole.

The circuit board 7 is also provided with a charging interface 72 for charging the power supply.

The opposite sides of the bottom surface 622 of the power fixing frame 62 are respectively provided with a positioning convex rib, the circuit board 7 is fixed between the two positioning convex ribs, and the positioning convex ribs are also provided with positioning buckles for fixing the circuit board 7.

Example 2

This embodiment is again improved in the heat-conducting surface, and the rest of the structure is the same as that of embodiment 1.

As shown in fig. 10 and 11, in the present embodiment, the middle of the heat conducting surface 31 protrudes upwards to form a cylindrical heat conducting boss 37, the height of the heat conducting boss 37 is preferably less than 150 mm, and the top of the heat conducting boss 37 is a plane, which facilitates the installation and fixation of the temperature sensing head, and improves the temperature measuring accuracy of the temperature sensing head.

After the feeding bottle 2 is connected with the heat conducting member 3, the heat conducting boss 37 extends into the feeding bottle 2, so that the contact surface with liquid is greatly improved, and the liquid heating efficiency is improved.

Preferably, the heating element 41 is also provided with a columnar structure to match with the heat conducting surface, and further, the middle of the supporting member 42 is also protruded upward to support the heating element 41, so that the heating element 41 is tightly attached to the inner wall of the heat conducting boss 37.

The heat conducting boss 37 is preferably cylindrical, tetragonal prism or other polygonal prism structure.

Example 3

The power supply fixing frame is improved in the embodiment, and the rest of the structure is the same as that of the embodiment 1.

As shown in fig. 12, in this embodiment, one side of the power fixing frame 62 is fixed to the supporting member or the heat conducting member, and the other end is provided with a power fixing groove 91, one end of the power is inserted into the power fixing groove 91, and the other end is connected to the circuit board 7.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

Claims

1. The heater is characterized in that the heating assembly is connected with the circuit board, the top end of the shell is open, the heat conducting piece is arranged at the opening of the shell, the heating assembly is arranged below the heat conducting piece, the heat conducting piece comprises a heat conducting surface and a connecting wall, the connecting wall is provided with connecting threads, and the heat conducting surface is an arched curved surface or at least one part of the heat conducting surface protrudes upwards to form a columnar heat conducting boss.

2. The heater of claim 1, wherein the heating element comprises a heating element, the heating element is attached to the inner surface of the heat conducting surface, and the shape of the heating element is matched with the shape of the heat conducting surface.

3. The heater of claim 2, wherein the heat conducting boss is cylindrical or polygonal columnar structure, and the height of the heat conducting boss is below 150 mm.

4. The heater of claim 3, wherein the heating assembly further comprises a support member, the support member is fixedly connected to the heat conductor, and the heating element is disposed between the heat conductor and the support member.

5. The heater of claim 3, further comprising a thermal head connected to the circuit board and contacting the thermal conductive surface, wherein a portion of the thermal conductive surface contacting the thermal head is a flat surface.

6. The heater of claim 1, further comprising a power supply assembly including a power supply and a power supply holder for holding the power supply, the power supply holder having a power supply holding groove, the power supply being fixedly mounted in the power supply holding groove.

7. The heater of claim 6, further comprising a display screen electrically connected to the circuit board, wherein the power holder further comprises a display screen slot, the display screen is disposed in the display screen slot, and a wall thickness of a region of the housing corresponding to the display screen is smaller than a wall thickness of a surrounding region.

8. The heater of claim 6, wherein the power holder has positioning posts, the circuit board has positioning holes corresponding to the positioning posts, and the positioning posts pass through the positioning holes and are fixedly connected to the bottom of the housing.

9. The heater of claim 6, wherein the circuit board has a switch button at the middle part thereof, the bottom of the casing has a casing through hole corresponding to the switch button, the casing through hole has an extrusion member therein, the middle part of the extrusion member has a convex-column-shaped key capable of extruding the switch button under the action of external force.

10. The heater of claim 9, wherein the top end of the convex post-shaped key is provided with a positioning slot, the periphery of the extrusion piece is provided with a guide wall, the end part of the guide wall is provided with a radially outward flange, the flange is provided with a plurality of flange through holes, the bottom of the shell is provided with a relative number of fixing clamping posts corresponding to the positions of the flange through holes, and the end parts of the fixing clamping posts protrude outwards to form buckles and penetrate through the flange through holes.