CN213686981U

CN213686981U - Folding warmer assembly

Info

Publication number: CN213686981U
Application number: CN202021537702.0U
Authority: CN
Inventors: 陈曰贵
Original assignee: Shenzhen Leadfar Industry Co ltd
Current assignee: Shenzhen Leadfar Industry Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-07-13
Anticipated expiration: 2030-07-30
Also published as: WO2022021622A1

Abstract

The application relates to a foldable heater assembly, which comprises at least two electric heating heaters, wherein adjacent electric heating heaters are rotatably connected, each electric heating heater comprises an outer frame, a heating assembly and a heat insulation plate, the heating assemblies are arranged on one side of the heat insulation plate, and the heating assemblies and the heat insulation plates are fixedly connected to the outer frame; the heating assembly comprises a heating layer and an insulating layer, the heating layer is arranged in the insulating layer, and the insulating layer is fixedly connected with the outer frame. Through directly the shaping on the insulating layer in the layer that will generate heat, the insulating layer has fixed form at normal atmospheric temperature, and the heating element who forms from this can directly be fixed on the frame, and need not to reuse a overcoat and live the heating element package, and whole electrogenerated heat room heater realizes the integration, has realized structural extremely succinctly. Directly fixed with heating element and frame, the layer that generates heat is direct fixed in the insulating layer, has also avoided the problem that the layer that generates heat shifted.

Description

Folding warmer assembly

Technical Field

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

Background

Electric heaters are commonly used to provide heat to rooms and offices. Such heaters typically comprise a sheet metal housing in which a heating element is provided to convert electricity into heat, which can then be transferred to the ambient air by natural convection. 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.

Chinese patent CN207674563U discloses a mobile warmer, which is characterized in that a plurality of heating structures are disposed in a jacket, so that the heating structures can be folded into a predetermined shape, and the connection relationship is maintained through the jacket, thereby reducing the dissipation of heat and obtaining a better heat collecting effect. However, the way of sleeving the heating structure in the outer sleeve makes the structure of the whole warmer complex, and meanwhile, the heating structure in the outer sleeve is easy to be displaced relative to the outer sleeve when colliding.

SUMMERY OF THE UTILITY MODEL

Therefore, a foldable warmer assembly is needed to be provided for solving the problems that the existing warmer has a complex structure and the heating structure in the outer sleeve is easy to shift relative to the outer sleeve during collision.

A foldable heater assembly comprises at least two electric heating heaters, wherein adjacent electric heating heaters are rotatably connected, each electric heating heater comprises an outer frame, a heating assembly and a heat insulation plate, the heating assemblies are arranged on one side of the heat insulation plate, and the heating assemblies and the heat insulation plates are fixedly connected to the outer frame;

the heating assembly comprises a heating layer and an insulating layer, the heating layer is arranged in the insulating layer, and the insulating layer is fixedly connected with the outer frame.

In one embodiment, the heating layer is a planar printing electrothermal ink or a carbon fiber paper or a metal planar electrothermal film.

In one embodiment, the outer frame comprises edge covers and corner heads, the edge covers are fixed through the corner heads, and the corner heads are arranged corresponding to edges and corners of the heating assembly;

at least one of the wrapping edge and the corner head is provided with an accommodating groove, and at least part of the heat insulation plate is embedded into the accommodating groove.

In one embodiment, the heat generating component is fixedly attached to the heat shield.

In one embodiment, the pipe joint further comprises a fixed pipe plug, and the edge covering and the angle head are fixed through the fixed pipe plug;

the fixed pipe plug is fixedly connected to one of the edge covering and the corner head and at least partially embedded into the other of the edge covering and the corner head.

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

In one embodiment, the wrapping edge comprises a U-shaped plate and a reinforcing plate, the U-shaped plate is in a U shape, a U-shaped groove is formed in the U-shaped plate, the reinforcing plate is arranged in the U-shaped groove, and the U-shaped groove is separated to form the through groove and the accommodating groove.

In one embodiment, the electric heating warmer further comprises a rotating part, wherein the rotating part is rotatably connected to the outer frames of the two adjacent electric heating warmers;

the outer frame is provided with a rotating groove corresponding to the rotating piece, two opposite side walls of the rotating groove are provided with rotating holes, and at least part of the rotating piece is contained in the rotating holes and is rotatably connected with the outer frame.

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

In one embodiment, two adjacent electric heating radiators are electrically connected, a wiring channel is arranged in the rotating platform, and a cable connecting the two adjacent electric heating radiators passes through the wiring channel.

Above-mentioned folding room heater subassembly through will generate heat the layer and directly form on the insulating layer, and the insulating layer has fixed form at normal atmospheric temperature, and the heating element who forms from this can directly be fixed on the frame, and need not to reuse a overcoat and live the heating element and wrap, and whole electrogenerated heat room heater realizes the integration, has realized the extreme succinct of structural. Directly fixed with heating element and frame, the layer that generates heat is direct fixed in the insulating layer, has also avoided the problem that the layer that generates heat shifted.

Drawings

Fig. 1 is a schematic structural diagram of an electrothermal warmer according to an embodiment of the present application;

FIG. 2 is an exploded view of an electrothermal heater according to an embodiment of the present application;

FIG. 3 is a schematic diagram of a partial explosion structure of an electrothermal heater according to an embodiment of the present application;

FIG. 4 is a schematic cross-sectional view of an electrothermal heater according to an embodiment of the present application;

FIG. 5 is a schematic cross-sectional view of an electrothermal warmer according to another embodiment of the present application;

FIG. 6 is a schematic structural diagram of a heating element of an electrothermal warmer according to an embodiment of the present application;

FIG. 7 is a schematic structural view of a foldable warmer assembly according to an embodiment of the present application;

FIG. 8 is a schematic view of a rotary member of a foldable warmer assembly according to an embodiment of the present application;

FIG. 9 is a schematic cross-sectional view of a foldable warmer assembly of an embodiment of the present application at a rotatable member;

fig. 10 is an exploded view of a controller of a foldable warmer assembly according to an embodiment of the present application.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, fig. 2 and fig. 6, a schematic structural view of an exemplary electric heating warmer 10 according to an embodiment of the present application is shown, in which the electric heating warmer 10 includes an outer frame 110 and a heating element 120, the heating element 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 a groove, and the heat generating layer 122 is at least partially embedded in the groove. In some embodiments, a heat conductive packaging layer (not shown) may be further included, and the heat generating layer 122 is packaged in the groove by the heat conductive packaging layer.

The insulating layer 124 has a fixed form at a normal temperature, and for example, the insulating layer 124 may be made of a hard material or a thermoplastic material. The heating component 120 is formed by directly embedding the heating layer 122 into the insulating layer 124, and the formed heating component 120 is hard and fixed in shape without using an outer sleeve, so that the heating component 120 and the outer frame 110 can be directly fixed, the heating layer 122 is directly fixed in the insulating layer 124, and the problem of displacement of the heating layer 122 can be avoided.

For example, in the embodiment shown in fig. 6, two insulating layers 124 are disposed on two sides of the heat generating layer 122, respectively, a groove is disposed on one side of at least one insulating layer 124 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 heat conduction packaging layer is arranged, the heat conduction packaging layer packages the heating layer 122, and the heating layer 122 can be better fixed.

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

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

The heat generating layer 122 may also be directly molded on the insulating layer 124. For example, the heat generating layer 122 may be a fluid in an initial state, fixed to the insulating layer 124 by printing or the like, and cured to be formed on the insulating layer 124. At this time, since the heat generating layer 122 is directly formed on the encapsulation layer, the heat generating layer 122 is already fixed to the encapsulation layer, and the heat conductive encapsulation layer may not be required. For example, the heat generating layer 122 is directly molded in the groove.

In a specific embodiment, the heat generating layer 122 may be printing ink, carbon fiber paper. At this time, the heat generating layer 122 may be directly molded on the insulating layer 124 by means of fluid molding.

Referring to fig. 2, in one or more embodiments, an insulation board 130 may be further included, and the heat generating component 120 is fixedly connected to the insulation board 130. For example, the heat generating component 120 is bonded to the heat insulating board 130 by an adhesive. The heating component 120 can be further fixed through the heat insulation board 130, and meanwhile, the heat emitted by the electric heating warmer 10 is blocked at one side of the heat insulation board 130, and the heat gathers at one side of the heating component 120, which is far away from the heat insulation board 130, so that when the electric heating warmer is used, one side of the heating component 120 faces to the heating part of a human body, and a better heating effect can be achieved.

Referring to fig. 2 and 3, the outer frame 110 includes edge covers 112 and corner heads 114, the edge covers 112 are fixed by the corner heads 114, and the corner heads 114 are disposed corresponding to corners of the heating element 120. For example, in the embodiment shown in fig. 2, the heat generating element 120 has a rectangular plate shape, the edge 112 corresponds to four sides of the heat generating element 120, and the corner heads 114 are disposed corresponding to four corners of the heat generating element 120.

At least one of the edge cover 112 and the corner head 114 is provided with a receiving groove 110a, and the heating element 120 and/or the heat insulation board 130 are at least partially embedded into the receiving groove 110a, so that when four edges and/or four corners of the heating element 120 are all embedded into the receiving groove 110a, four edges of the heating element 120 are fixed, that is, fixed and limited by the outer frame 110. In the embodiment shown in fig. 2, the edge 112 and the corner head 114 are both provided with the receiving groove 110a, so that on one hand, the heating element 120 can be better fixed, and on the other hand, the circumferential direction of the heating element 120 is also protected.

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

For example, a through groove 112a is further formed in the covering edge 112, and the fixing plug 140 at least partially extends into the through groove 112a, so that the outer frame 110 and the heat generating component 120 can be better detached.

Referring to fig. 3, the wrapping edge 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 reinforcing plate 1123 is disposed in the U-shaped groove to partition the U-shaped groove into a through groove 112a and a receiving groove 110a, the receiving groove 110a is close to the opening of the U-shaped groove, and the through groove 112a is close to the bottom of the U-shaped groove.

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

The edge cover 112 can be at least partially embedded into the corner head 114, so that the fixed pipe plug 140 is fixed in the corner head 114 and then extends into the through groove 112a of the edge cover 112, one end of the edge cover 112 close to the corner head 114 extends into the corner head 114, the junction of the corner head 114 and the edge cover 112 has a triple reinforcing effect, the structural stability is enhanced, and the problem that the fixed pipe plug 140 is easy to break when only the fixed pipe plug 140 is arranged at the junction of the corner head 114 and the edge cover 112 is solved.

Referring to fig. 3, in one or more embodiments, a blocking structure 142 may be further disposed on the fixed pipe plug 140 to prevent the fixed pipe plug 140 from being separated from the through slot 112 a. For example, in the embodiment shown in fig. 3, the fixed pipe plug 140 is provided with a blocking plate having a predetermined angle in the direction of insertion into the through groove 112a, so as to provide a blocking force when the fixed pipe plug 140 is pulled out from the through groove 112 a. By providing the blocking structure 142, the fixed plug 140 is prevented from easily separating from the covering edge 112.

Above-mentioned electroheat room heater 10, through directly the shaping on insulating layer 124 with layer 122 that generates heat, insulating layer 124 has fixed form at ordinary temperature, and the subassembly 120 that generates heat that forms from this can directly be fixed on frame 110, and need not to reuse a overcoat to wrap the subassembly 120 that generates heat again, and whole electroheat room heater 10 that generates heat realizes the integration, has realized the extreme succinct in structure. The heating element 120 is directly fixed with the outer frame 110, and the heating layer 122 is directly fixed in the insulating layer 124, so that the problem of displacement of the heating layer 122 is also avoided.

Referring to fig. 7, an embodiment of the present application further provides a foldable heater assembly 20, where the foldable heater assembly 20 includes at least two electric heating heaters 210, each electric heating heater 210 is the electric heating heater 10 described in any of the above embodiments, and adjacent electric heating heaters 210 are rotatably connected.

In one or more embodiments, the foldable heater module 20 further includes a rotating member 220, and the rotating member 220 is rotatably connected to two adjacent electric heating heaters 210, so that the two adjacent electric heating heaters 210 are rotatably connected to each other.

Referring to fig. 9, the outer frame of the electric heating warmer 210 is provided with a rotating slot 20a, two opposite side walls of the rotating slot 20a are provided with rotating holes 20b, and the rotating member 220 is at least partially accommodated in the rotating holes 20b and rotatably connected to the outer frame. Specifically, the rotation groove 20a may be formed on the corner portion or the wrapping edge corresponding to the rotation member 220. In the embodiment shown in fig. 9, the rotation groove 20a is provided on the corner head.

Referring to fig. 8 and 9, the rotating member 220 includes a rotating platform 222 and a protruding shaft 224, the protruding shaft 224 is fixed on the rotating platform 222 and is disposed corresponding to the rotating hole 20b, and the protruding shaft 224 at least partially extends into the rotating hole 20b, so that the rotating member 220 is rotatably connected to the electric heating warmer 210. Specifically, each rotating platform 222 is correspondingly provided with four protruding shafts 224, the four protruding shafts 224 are respectively embedded into the rotating holes 20b of two adjacent electric heating heaters 210, and when two adjacent electric heating heaters 210 are rotatably connected to the rotating member 220, the two adjacent electric heating heaters 210 are rotatably connected.

Referring to fig. 9, in one or more embodiments, two adjacent electric heating radiators 210 are electrically connected, a wiring channel 220a is disposed in the rotating platform 222, and a cable connecting the two adjacent electric heating radiators 210 passes through the wiring channel 220a, so that when the two adjacent electric heating radiators 210 rotate, the connecting cable does not rotate and the cable is not wound.

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

The control box 230 may be shared among a plurality of the electro-thermal heaters 210, or one control box 230 may be provided for each of the electro-thermal heaters 210. For example, in the embodiment shown in fig. 7, one control box 230 is shared among a plurality of the electro-thermal heaters 210.

Continuing to refer to FIG. 10, foldable warmer unit 20 may further include an infrared sensing unit 240, infrared sensing unit 240 including an infrared transmitter 242 and an infrared receiver 244, infrared transmitter 242 for transmitting infrared light and infrared receiver 244 for receiving infrared light. 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 a person is using the foldable heater module 20, the signal generated by the infrared sensing module 240 turns on the control switch, and the heating control circuit controls the heating module to start working to emit heat, so as to supply heat to the user. Otherwise, when the infrared receiver 244 does not receive infrared rays, indicating that the user is not using the infrared receiver, the control switch is turned off, and the heating control circuit stops working.

Through setting up infrared induction subassembly 240 to make infrared induction subassembly 240 be connected with control circuit's that generates heat control switch's on-off control is realized through infrared induction subassembly 240, realizes that the people comes heating promptly, and the people stops the heating promptly when walking, has realized automatic heating.

Since the foldable heater module 20 includes the electrothermal heater 210, the electrothermal heater 210 has advantageous effects, as does the foldable heater module 20.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A foldable heater assembly is characterized by comprising at least two electric heating heaters, wherein adjacent electric heating heaters are rotatably connected, each electric heating heater comprises an outer frame, a heating assembly and a heat insulation plate, the heating assembly is arranged on one side of the heat insulation plate, and the heating assembly and the heat insulation plate are fixedly connected to the outer frame;

2. A foldable warmer assembly as claimed in claim 1, wherein the heat generating layer is a planar printed electrothermal ink or a carbon fiber paper or a metal planar electrothermal film.

3. The foldable warmer assembly of claim 1, wherein the outer frame comprises edges and corner heads, the edges are fixed by the corner heads, and the corner heads are arranged corresponding to corners of the heating assembly;

4. A foldable warmer assembly according to claim 3, wherein the heating element is fixedly attached to the heat shield.

5. The foldable warmer assembly of claim 3, further comprising a fixed spigot, the rim and the horn being fixed by the fixed spigot;

6. A foldable heater assembly as claimed in claim 5, wherein said fixing spigot is fixedly connected to said corner head, and a through slot is provided in said rim, said fixing spigot extending at least partially into said through slot.

7. The foldable warmer assembly of claim 6, wherein the rim includes a U-shaped plate having a U-shaped channel formed therein and a reinforcing plate disposed within the U-shaped channel to separate the U-shaped channel into the through channel and the receiving channel.

8. The foldable warmer assembly of claim 1, further comprising a rotating member rotatably connected to the outer frame of two adjacent electrically heated warmers;

9. The foldable warmer assembly of claim 8, wherein the rotatable member comprises a rotatable base and a protruding shaft, the protruding shaft is fixed to the rotatable base and disposed in correspondence with the rotatable opening, and the protruding shaft at least partially extends into the rotatable opening.

10. The foldable warmer assembly of claim 9, wherein two adjacent electric heating warmers are electrically connected, a wiring channel is provided in the rotary table, and a cable connecting two adjacent electric heating warmers passes through the wiring channel.