WO2022021622A1

WO2022021622A1 - Foldable warmer assembly

Info

Publication number: WO2022021622A1
Application number: PCT/CN2020/122196
Authority: WO
Inventors: 陈曰贵
Original assignee: 深圳市联奕实业有限公司
Priority date: 2020-07-30
Filing date: 2020-10-20
Publication date: 2022-02-03
Also published as: CN213686981U

Abstract

The present application relates to a foldable warmer assembly, comprising at least two electric heating warmers, wherein adjacent electrical heating warmers are rotatably connected. Each electrical heating warmer comprises an outer frame, a heating assembly, and a heat insulating plate; the heating assembly is provided on one side of the heat insulating plate; the heating assembly and the heat insulating plate are fixedly connected to the outer frame; the heating assembly comprises a heating layer and an insulating layer; the heating layer is provided in the insulating layer; and the insulating layer is fixedly connected to the outer frame. Since the insulating layer has a fixed form under a normal temperature, the heating assembly formed by directly forming the heating layer on the insulating layer can be directly fixed on the outer frame, and does not need to be wrapped using a sleeve any more. The integration of the entire electrical heating warmer is implemented, thus achieving an extremely simple structure. Since the heating assembly is directly fixed to the outer frame and the heating layer is directly fixed in the insulating layer, the problem of the displacement of the heating layer is also avoided.

Description

foldable heater assembly

technical field

The present application relates to heating equipment, and more particularly to a collapsible heater assembly.

Background technique

Electric heaters are often used to provide heat to rooms and offices. Such heaters typically include a sheet metal housing in which heating elements disposed convert electrical power to heat, which can then be transferred to ambient air by natural convection. In order to maximize the heating effect, it is often important to properly direct the heat generated from the heater device. Thus, electric heaters have been manufactured in various forms.

technical problem

Chinese patent CN207674563U discloses a mobile heater. By arranging a plurality of heating structures in a jacket, after the plurality of heating structures can be folded with each other, the jacket maintains the connection relationship, and after being folded into a preset shape, the escape of heat can be reduced. dissipated, and a better heat collection effect was achieved. However, the way of wrapping the heating structure in the outer casing makes the structure of the whole heater complicated, and at the same time, the heating structure in the outer casing is easily displaced relative to the outer casing when it collides.

technical solutions

Based on this, it is necessary to provide a foldable heater assembly in order to solve the problem that the structure of the existing heater is complex, and the heating structure in the outer casing is easily displaced relative to the outer casing when it collides.

A foldable heater assembly, comprising at least two electric heating heaters, adjacent electric heating heaters are rotatably connected, and the electric heating heaters include an outer frame, a heating assembly and a heat insulation board, The heat generating component is arranged on one side of the heat insulating plate, and the heat generating component and the heat insulating plate are fixedly connected to the outer frame;

The heating component includes a heating layer and an insulating layer, the heating layer is arranged in the insulating layer, and the insulating layer is fixedly connected to the outer frame.

In one embodiment, the heating layer is a flat-printed electrothermal ink or carbon fiber paper or a metal flat electrothermal film.

In one of the embodiments, the outer frame includes a wrapping edge and a corner head, the wrapping edges are fixed by the corner head, and the corner head is disposed corresponding to the edges and corners of the heating component;

At least one of the edging and the corner head is provided with a receiving groove, and the heat insulating plate is at least partially embedded in the receiving groove.

In one embodiment, the heating element is fixedly connected to the heat shield.

In one of the embodiments, a fixed pipe plug is also included, and the wrapping edge and the corner head are fixed by the fixed pipe plug;

The fixed pipe plug is fixedly connected to one of the edging and the corner head, and is at least partially embedded in the other of the edging and the corner head.

In one embodiment, the fixed pipe plug is fixedly connected to the corner head, a through groove is further provided in the wrapping edge, and the fixed pipe plug at least partially protrudes into the through groove.

In one embodiment, the edging includes a U-shaped plate and a reinforcing plate, the U-shaped plate is U-shaped, and a U-shaped groove is formed in it, and the reinforcing plate is arranged in the U-shaped groove, so that the The U-shaped groove is separated to form the through groove and the receiving groove.

In one of the embodiments, it also includes a rotating member, the rotating member is rotatably connected to the outer frames of two adjacent electrothermal heaters;

The outer frame is provided with a rotation slot corresponding to the rotation member, two opposite side walls of the rotation slot are provided with rotation holes, the rotation member is at least partially accommodated in the rotation holes, and is rotatably connected to the rotation hole. Outer frame.

In one embodiment, the rotating member includes a rotating table and a convex shaft, the convex shaft is fixed on the rotating table and is disposed corresponding to the rotating hole, and the convex shaft at least partially protrudes into the rotating hole Inside.

In one of the embodiments, two adjacent electric heating heaters are electrically connected, a wiring channel is provided in the rotating table, and cables connecting two adjacent electric heating heaters are connected from the wiring channel. pass through.

beneficial effect

The above-mentioned foldable heater assembly is formed by directly molding the heating layer on the insulating layer, and the insulating layer has a fixed shape at normal temperature. The heating components are covered, and the whole electric heating heater is integrated, realizing the extremely simple structure. The heating component is directly fixed to the outer frame, and the heating layer is directly fixed in the insulating layer, which also avoids the problem of displacement of the heating layer.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

1 is a schematic structural diagram of an electric heating heater according to an embodiment of the application;

2 is a schematic diagram of an explosion structure of an electric heating heater according to an embodiment of the application;

3 is a schematic diagram of a partial explosion structure of an electric heating heater according to an embodiment of the application;

4 is a schematic cross-sectional structure diagram of an electric heating heater according to an embodiment of the application;

5 is a schematic cross-sectional structure diagram of an electric heating heater according to another embodiment of the present application;

6 is a schematic structural diagram of a heating element of an electric heating heater according to an embodiment of the application;

7 is a schematic structural diagram of a foldable heater assembly according to an embodiment of the application;

8 is a schematic structural diagram of a rotating member of a foldable heater assembly according to an embodiment of the application;

9 is a schematic cross-sectional structural diagram of a foldable heater assembly at a rotating part according to an embodiment of the application;

FIG. 10 is a schematic exploded structure diagram of a controller of a foldable heater assembly according to an embodiment of the application.

Embodiments of the present invention

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

Please refer to FIG. 1 , FIG. 2 and FIG. 6 , which exemplarily show a schematic structural diagram of an electric heating heater 10 according to an embodiment of the present application. The electric heating heater 10 includes an outer frame 110 and a heating component 120 . The heating component 120 is fixedly connected to the outer frame 110 , the heating element 120 includes a heating layer 122 and an insulating layer 124 , and the heating layer 122 is disposed on the insulating layer 124 .

The heat generating layer 122 may be at least partially embedded within the insulating layer 124 . For example, the insulating layer 124 may be provided with grooves, and the heat generating layer 122 is at least partially embedded in the grooves. In some embodiments, a thermally conductive encapsulation layer (not shown) may also be included, and the thermally conductive encapsulation layer encapsulates the heating layer 122 in the groove.

The insulating layer 124 has a fixed shape at normal temperature, for example, the insulating layer 124 may be made of a hard material or a thermoplastic material. The heating element 120 is directly formed by embedding the heating layer 122 into the insulating layer 124. The formed heating element 120 is rigid and has a fixed shape, and no jacket is required. Therefore, the heating element 120 can be directly fixed to the outer frame 110. The heat generating layer 122 is directly fixed in the insulating layer 124, which can avoid the problem of displacement of the heat generating layer 122.

For example, in the embodiment shown in FIG. 6 , two insulating layers 124 are provided, the two insulating layers 124 are respectively provided on both sides of the heat generating layer 122 , and at least one insulating layer 124 is provided with a side close to the heat generating layer 122 . The heat generating layer 122 is accommodated in the groove, and the two insulating layers 124 are fixed to each other, so that the heat generating layer 122 is sealed between the two insulating layers 124 . When the thermally conductive encapsulation layer is provided, the thermally conductive encapsulation layer encapsulates the heat-generating layer 122 , which can better fix the heat-generating layer 122 .

For electrical safety, the insulating layer 124 can be made of a flame retardant material. In a specific embodiment, the insulating layer 124 may be made of FR-4 epoxy board.

Referring to FIG. 4 , the heating layer 122 is in a sheet shape, and each electric heating heater 10 is provided with only one heating layer 122 . Correspondingly, the insulating layer 124 is provided with only one groove. Referring to FIG. 6 , in other embodiments, a plurality of heating layers 122 may be provided, and the heating component 120 may further include electrode layers 126 , and the heating layers 122 are electrically connected through the electrode layers 126 . The number of grooves is adapted to the number of heat generating layers 122 . In a specific embodiment, the electrode layer 126 may be a copper foil.

The heating layer 122 can also be directly formed on the insulating layer 124 . For example, in the initial state, the heat generating layer 122 may be a fluid, fixed on the insulating layer 124 by printing or the like, and then formed on the insulating layer 124 after curing. At this time, since the heat-generating layer 122 is directly formed on the encapsulation layer, the heat-generating layer 122 has already been fixed to the encapsulation layer, and the heat-conducting encapsulation layer may not be required. For example, the heat generating layer 122 is directly formed in the groove.

In a specific embodiment, the heating layer 122 may be printing ink or carbon fiber paper. At this time, the heating layer 122 can be directly formed on the insulating layer 124 by means of fluid forming.

Referring to FIG. 2 , in one or more embodiments, a heat shield 130 may be further included, and the heating element 120 is fixedly connected to the heat shield 130 . For example, the heat generating component 120 and the heat insulating board 130 are bonded by an adhesive. The heat-generating component 120 can be further fixed by the heat-insulating plate 130 , and at the same time, the heat emitted by the electric heating heater 10 is blocked on the side of the heat-insulating plate 130 , and the heat is on the side of the heat-generating component 120 away from the heat-insulating plate 130 . When it is gathered, when in use, one side of the heating element 120 faces the heating part of the human body, which can have a better heating effect.

Referring to FIGS. 2 and 3 , the outer frame 110 includes a wrapping edge 112 and a corner head 114 , the wrapping edge 112 is fixed by the corner head 114 , and the corner head 114 is disposed corresponding to the edges and corners of the heating element 120 . For example, in the embodiment shown in FIG. 2 , the heating element 120 is in the shape of a rectangular plate, the wrapping edges 112 correspond to the four sides of the heating element 120 , and the corner heads 114 are arranged corresponding to the four corners of the heating element 120 .

At least one of the wrapping 112 and the corner head 114 is provided with a receiving groove 110a, and the heating element 120 and/or the heat insulating plate 130 are at least partially embedded in the receiving groove 110a, thus, when the four sides and/or four corners of the heating element 120 are When embedded in the receiving groove 110a, the four sides of the heating element 120 are fixed, that is, the outer frame 110 is fixed and limited. In the embodiment shown in FIG. 2 , both the edging 112 and the corner head 114 are provided with receiving grooves 110 a. On the one hand, the heating element 120 can be better fixed, and on the other hand, the circumferential direction of the heating element 120 can be protected. .

Referring to FIG. 2 and FIG. 3 , in one or more embodiments, a fixed pipe plug 140 is further included, and the wrapping edge 112 and the corner head 114 are fixed by the fixed pipe plug 140 . Specifically, the fixed pipe plug 140 is fixedly connected to one of the wrapping edge 112 and the corner head 114 , and is at least partially embedded in the other of the wrapping edge 112 and the corner head 114 . In the embodiment shown in FIG. 3 , the fixed pipe plug 140 is fixedly connected to the corner head 114 and at least partially embedded in the edge 112 .

For example, a through groove 112a is also provided in the wrapping edge 112, and the fixed pipe plug 140 at least partially extends into the through groove 112a, so that the disassembly and assembly between the outer frame 110 and the heating element 120 can be better achieved.

Please refer to FIG. 3 , the edging 112 includes a U-shaped plate 1121 and a reinforcing plate 1123. The U-shaped plate 1121 is U-shaped and has a U-shaped groove formed therein. The groove 112a and the receiving groove 110a are the receiving groove 110a near the opening of the U-shaped groove, and the through groove 112a near the bottom of the U-shaped groove.

The corner head 114 includes an upper corner head 1141 and a lower corner head 1143. The upper corner head 1141 and the lower corner head 1143 are both provided with a convex column 1145. The convex column 1145 is provided with a through hole 114a, and the fixed pipe plug 140 corresponds to the through hole of the convex column 1145. 114a is provided with a through hole 140a, and fasteners such as screws pass through the through hole 114a and the through hole 140a to fix the corner head 114 and the fixed pipe plug 140.

The edging 112 can be at least partially embedded in the corner head 114, whereby the fixed pipe plug 140 is fixed in the corner head 114, and then extends into the through groove 112a of the edging 112, and the end of the edging 112 close to the corner head 114 It extends into the corner head 114 again, and the junction of the diagonal head 114 and the edge 112 plays a triple reinforcement role, enhances the stability of the structure, and avoids only the fixed pipe plug 140 at the junction of the corner head 114 and the edge 112. When fixing the pipe plug 140 is easy to break.

Referring to FIG. 3 , in one or more embodiments, a blocking structure 142 may be further provided on the fixed pipe plug 140 to prevent the fixed pipe plug 140 from disengaging from the through groove 112a. For example, in the embodiment shown in FIG. 3 , the fixed pipe plug 140 is provided with a blocking plate with a predetermined angle in the direction of being inserted into the through groove 112a, so that the fixed pipe plug 140 can be pulled out from the through groove 112a. , provides stopping power. By arranging the blocking structure 142 , the fixed pipe plug 140 can be prevented from easily detaching from the wrapping edge 112 .

The above-mentioned electric heating heater 10 is formed by directly molding the heating layer 122 on the insulating layer 124, and the insulating layer 124 has a fixed shape at normal temperature. Then, a jacket is used to cover the heating element 120, and the whole electric heating heater 10 is integrated, and the structure is extremely simple. The heating element 120 is directly fixed to the outer frame 110 , and the heating layer 122 is directly fixed in the insulating layer 124 , which also avoids the problem of displacement of the heating layer 122 .

Referring to FIG. 7 , an embodiment of the present application further provides a foldable heater assembly 20 . The foldable heater assembly 20 includes at least two electric heating heaters 210 , and the electric heating heaters 210 are any of the above-mentioned heating elements. In the electric heating heater 10 described in the embodiment, adjacent electric heating heaters 210 are connected in rotation.

In one or more embodiments, the foldable heater assembly 20 further includes a rotating member 220, and the rotating member 220 is rotatably connected to two adjacent electric heating heaters 210, so as to make the adjacent two electric heating heaters generate heat A rotational connection is achieved between the heaters 210 .

Please refer to FIG. 9 , the outer frame of the electric heating heater 210 is provided with a rotating groove 20a, two opposite side walls of the rotating groove 20a are provided with rotating holes 20b, and the rotating member 220 is at least partially accommodated in the rotating holes 20b, and rotates connected to the frame. Specifically, a turning slot 20a may be provided on the corner head or the edging corresponding to the turning member 220 . In the embodiment shown in FIG. 9, the turning groove 20a is provided on the corner head.

8 and 9, the rotating member 220 includes a rotating table 222 and a convex shaft 224. The convex shaft 224 is fixed on the rotating table 222 and is disposed corresponding to the rotating hole 20b. The convex shaft 224 at least partially protrudes into the rotating hole 20b to The rotating member 220 is rotatably connected to the electric heating heater 210 . Specifically, each rotary table 222 is correspondingly provided with four protruding shafts 224, and the four protruding shafts 224 are respectively embedded in the rotating holes 20b of two adjacent electric heating heaters 210. When the heaters 210 are both rotatably connected to the rotating member 220, the two adjacent electric heating heaters 210 are connected in rotation.

Referring to FIG. 9, in one or more embodiments, two adjacent electrothermal heaters 210 are electrically connected, and a wiring channel 220a is provided in the turntable 222 to connect two adjacent electrothermal heaters 210. The connected cables pass through the wiring channel 220a, thus, when two adjacent electric heating heaters 210 are rotated, the connecting cables will not rotate along with them, and the cables will not be entangled.

Referring to FIG. 8 , in one or more embodiments, the foldable heater assembly 20 further includes a control box 230 , a PCB board 232 is arranged in the control box 230 , a heating control circuit is arranged on the PCB board 232 , and the heating component is electrically Connected to the heating control circuit to control the operation of the heating component through the heating component.

The control box 230 may be shared among a plurality of electric heating heaters 210 , or one control box 230 may be configured for each electric heating heater 210 . For example, in the embodiment shown in FIG. 7 , a control box 230 is shared among a plurality of electric heating heaters 210 .

Please continue to refer to FIG. 10 , the foldable heater assembly 20 may further include an infrared sensing assembly 240, the infrared sensing assembly 240 includes an infrared transmitter 242 and an infrared receiver 244, the infrared transmitter 242 is used for emitting infrared rays, and the infrared receiver 244 is used for to receive infrared rays. The heating control circuit includes a control switch to control the operation of the heating component through the control switch, and the infrared sensing component 240 is connected to the heating control circuit to control the operation of the heating control circuit through the infrared sensing component 240 . Specifically, when the infrared receiver 244 receives infrared rays, it indicates that someone is using the foldable heater assembly 20. The signal generated by the infrared sensing assembly 240 turns on the control switch, and the heating control circuit controls the heating assembly to start working, dissipating heat. , to heat the user. On the contrary, when the infrared receiver 244 does not receive infrared rays, it means that the user is not using it, so the control switch is turned off, and the heating control circuit stops working.

By arranging the infrared sensing assembly 240 and connecting the infrared sensing assembly 240 with the control switch of the heating control circuit, the on-off control of the control switch is realized through the infrared sensing assembly 240, so that the heating is realized when a person comes, and the heating is stopped when a person leaves. Automatic heating.

Since the foldable heater assembly 20 includes the electric heating heater 210 , the beneficial effects of the electric heating heater 210 are also provided by the foldable heater assembly 20 .

The above disclosures are only the preferred embodiments of the present application, and of course, the scope of the rights of the present application cannot be limited by this. Therefore, equivalent changes made according to the claims of the present application are still within the scope of the present application.

Claims

A foldable heater assembly is characterized in that it includes at least two electric heating heaters, and adjacent electric heating heaters are rotatably connected, and the electric heating heaters include an outer frame, a heating assembly and a heat insulation board, the heat generating component is arranged on one side of the heat insulation board, and the heat generating component and the heat insulation board are fixedly connected to the outer frame;

The heating component includes a heating layer and an insulating layer, the heating layer is arranged in the insulating layer, and the insulating layer is fixedly connected to the outer frame.
The foldable heater assembly according to claim 1, wherein the heating layer is a flat-printed electric heating ink or carbon fiber paper or a metal flat electric heating film.
The foldable heater assembly according to claim 1, wherein the outer frame comprises a wrapping edge and a corner head, the wrapping edges are fixed by the corner head, and the corner head corresponds to the heat generation Component's edge settings;

At least one of the edging and the corner head is provided with a receiving groove, and the heat insulating plate is at least partially embedded in the receiving groove.
The foldable heater assembly according to claim 3, wherein the heating assembly is fixedly connected to the heat insulation board.
The foldable heater assembly according to claim 3, further comprising a fixed pipe plug, and the edging and the corner head are fixed by the fixed pipe plug;

The fixed pipe plug is fixedly connected to one of the edging and the corner head, and is at least partially embedded in the other of the edging and the corner head.
The foldable heater assembly according to claim 5, wherein the fixed pipe plug is fixedly connected to the corner head, a through groove is further provided in the wrapping edge, and the fixed pipe plug at least partially extends into the through groove.
The foldable heater assembly according to claim 6, wherein the edging comprises a U-shaped plate and a reinforcing plate, the U-shaped plate is U-shaped, and a U-shaped groove is formed therein, and the reinforcing plate It is arranged in the U-shaped groove, and the U-shaped groove is divided to form the through groove and the receiving groove.
The foldable heater assembly according to claim 1, further comprising a rotating member, the rotating member is rotatably connected to the outer frames of two adjacent electric heating heaters;

The outer frame is provided with a rotation slot corresponding to the rotation member, two opposite side walls of the rotation slot are provided with rotation holes, the rotation member is at least partially accommodated in the rotation holes, and is rotatably connected to the rotation hole. Outer frame.
The foldable heater assembly according to claim 8, wherein the rotating member comprises a rotary table and a protruding shaft, the protruding shaft is fixed on the rotary table and is provided corresponding to the rotary hole, the The protruding shaft at least partially protrudes into the rotating hole.
The foldable heater assembly according to claim 9, wherein two adjacent electrothermal heaters are electrically connected, and a wiring channel is provided in the rotating table to connect two adjacent electrothermal heaters. The cables of the heater are passed through the cable routing channel.