CN215597391U - Folding composite electric heater - Google Patents
Folding composite electric heater Download PDFInfo
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- CN215597391U CN215597391U CN202121778436.5U CN202121778436U CN215597391U CN 215597391 U CN215597391 U CN 215597391U CN 202121778436 U CN202121778436 U CN 202121778436U CN 215597391 U CN215597391 U CN 215597391U
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Abstract
The utility model relates to a folding composite electric heater, which comprises a first folding shell and a second folding shell, wherein the first folding shell and the second folding shell are hinged with each other; the first folding shell and/or the second folding shell are/is provided with a convection air channel, an air inlet part, an air outlet part and a radiation part which are respectively communicated with the convection air channel, the convection air channel is provided with a heating assembly, and the heating assembly is connected with a main control circuit in a circuit manner; when the first folding shell and the second folding shell are mutually opened, the heating component radiates far infrared rays outwards through the radiation part; when the first folding shell and the second folding shell are folded, hot air convection is carried out on the convection air channel, and the hot air is finally discharged outside through the air outlet part. This electric heater possesses STREAMING heating function and radiant heating function, and is big to the air volume under the STREAMING heating mode, and it is effectual to keep warm.
Description
Technical Field
The utility model relates to an electric heater, in particular to a folding type composite electric heater.
Background
Chinese patent document CN204285587U discloses a foldable radiant electric warmer, specifically disclosing: the electric heating panel comprises two vertical radiation type first and second electric heating panels, wherein at least one side edge of each of the two vertical radiation type electric heating panels is in a vertical shape and is pivoted with each other by virtue of a pivoting mechanism, and after the two vertical radiation type first and second electric heating panels are folded and folded, an air flow channel which is communicated up and down is formed between the two electric heating panels; the two radiation type electric heating plates comprise a pressing frame heat reflection plate electric heating tube and a shell, wherein the pressing frame heat reflection plate electric heating tube is provided with a protective net for fixing the protective net; the electric heating tubes are respectively arranged on the inner surfaces of the respective heat reflecting plates, and the heat reflecting plates are respectively fixed on the frame and then are arranged in the respective shell cavities to be fixed; the pressing frames respectively press the protective nets on the respective frames and are positioned on one side of the heat reflecting plate, which reflects the cambered surface to radiate outwards. The electric warmer is used as a radiant warmer when opened and as a convection warmer when folded. However, when the electric warmer is folded, the air duct for supplying convection of hot air is narrow, which results in poor convection heating effect and poor user experience, and therefore, the existing electric warmer needs to be further improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a folding composite electric heater which has the functions of convection heating and radiation heating, and has large ventilation volume and good heating effect in a convection heating mode.
The purpose of the utility model is realized as follows:
a folding composite electric heater comprises a first folding shell and a second folding shell which are hinged with each other; the first folding shell and/or the second folding shell are/is provided with a convection air channel, an air inlet part, an air outlet part and a radiation part which are respectively communicated with the convection air channel, the convection air channel is provided with a heating assembly, and the heating assembly is connected with a main control circuit in a circuit manner; when the first folding shell and the second folding shell are mutually opened, the heating component radiates far infrared rays outwards through the radiation part; when the first folding shell and the second folding shell are folded, hot air convection is carried out on the convection air channel, and the hot air is finally discharged outside through the air outlet part.
The radiation part is arranged on the inner side surface of the first folding shell and/or the second folding shell; when the first folding shell and the second folding shell are folded, the radiation part is hidden between the first folding shell and the second folding shell.
The air inlet part is arranged at the bottom of the first folding shell and/or the second folding shell; the air outlet part is arranged at the top of the first folding shell and/or the second folding shell; the air inlet part and the air outlet part are respectively exposed under the opening and closing states.
The inner side surface of the first folding shell and/or the inner side surface of the second folding shell are/is concavely arranged; when the first folding shell and the second folding shell are folded, an intermediate air duct communicated with the radiation part is formed between the inner side surface of the first folding shell and the inner side surface of the second folding shell; the top end and the bottom end of the middle air duct are respectively provided with an opening.
The heating component comprises one or two of a glass heating body, a string aluminum heating body and an aluminum plate heating body;
the glass heating body comprises a glass carrier and a heating film layer arranged on the glass carrier, and the heating film layer is connected with the main control circuit in a circuit manner;
the aluminum-serial heating body comprises a first heating pipe and a plurality of aluminum fins arranged on the first heating pipe in a serial mode, and the first heating pipe is connected with the main control circuit in a circuit mode;
the aluminum plate heating body comprises a second heating tube and a heat conduction aluminum plate arranged on the second heating tube, a far infrared coating is arranged on the heat conduction aluminum plate, and the second heating tube is connected with a main control circuit in a circuit mode.
The electric heater also comprises a hinge mechanism, wherein the first folding shell is hinged with the second folding shell through the hinge mechanism; the hinge mechanism comprises a first hinge piece, a second hinge piece, a supporting shaft body and a positioning gland, the first hinge piece is fixedly connected with the first folding shell, the second hinge piece is fixedly connected with the second folding shell and the supporting shaft body, the first hinge piece and the second hinge piece are in coaxial rotation fit with each other, and the first hinge piece and the second hinge piece are positioned between the supporting shaft body and the positioning gland.
The supporting shaft body is fixedly connected with the positioning gland, and the positioning gland comprises a positioning column body and a limiting convex ring which radially and outwards extends on the positioning column body; the first hinge comprises a first hinge ring body; the second hinge comprises a second hinge ring body; the first hinged ring body is coaxially and rotatably sleeved on the outer side of the positioning column body; the second hinge ring body is coaxially matched with the first hinge ring body and is fixedly connected with the support shaft body; the limiting convex ring is axially limited to act on the first hinged ring body, so that the first hinged ring body is axially limited between the limiting convex ring and the second hinged ring body.
The hinge mechanism further comprises a first connecting substrate fixedly connected with the first folding shell and a second connecting substrate fixedly connected with the second folding shell; the first hinge part comprises a first connecting arm which is fixedly connected with the first connecting base plate; the second articulated elements comprise second connecting arms, and the second connecting arms are fixedly connected with the second connecting base plate.
The electric heater also comprises a control box arranged on the hinge mechanism, wherein the control box is provided with a main control circuit and a control panel, and the main control circuit is connected with the control panel.
The bottom of the hinge mechanism is provided with a fixed support leg assembly; the bottom parts of the first folding shell and the second folding shell are respectively provided with a movable supporting leg assembly; when the first folding shell and the second folding shell are folded, the movable support leg assemblies on the first folding shell and the movable support leg assemblies on the second folding shell are in staggered fit with each other.
The utility model has the following beneficial effects:
the heating device comprises a first folding shell and a second folding shell which are hinged with each other, wherein a heating component is arranged on the first folding shell and/or the second folding shell; the electric heater can realize radiation heating in an open state and can realize convection heating in a closed state, and has different heating modes to meet different requirements of users; in addition, be provided with the convection current wind channel on first folding casing and/or the second folding casing respectively, during the convection current heating, hot-blast can be carried on the convection current wind channel, and then effectual increase air output, guarantees the convection current heating effect.
Drawings
Fig. 1 is a schematic view of an open state of an electric heater according to a first embodiment of the present invention.
Fig. 2 is a schematic view of a closed state of an electric heater in the first embodiment of the present invention.
Fig. 3 is a partial sectional view illustrating an opened state of an electric heater according to a first embodiment of the present invention.
Fig. 4 is an enlarged schematic view of fig. 3 at H.
Fig. 5 is an enlarged view of fig. 3 at K.
Fig. 6 is an exploded view of a partial structure of an electric heater according to a first embodiment of the present invention.
Fig. 7 is a sectional view illustrating a radiation heating mode of the electric heater according to the first embodiment of the present invention.
Fig. 8 is a sectional view illustrating a convection heating mode of the electric heater according to the first embodiment of the present invention.
Fig. 9 is an exploded view of a partial structure of an electric heater according to a second embodiment of the present invention.
Detailed Description
The utility model is further described with reference to the following figures and examples.
First embodiment
Referring to fig. 1 to 8, the foldable composite electric warmer according to the present embodiment includes a first foldable housing 100 and a second foldable housing 200 hinged to each other in an opening and closing manner; the inner cavities of the first folding shell 100 and the second folding shell 200 are respectively provided with a convection air duct 1 extending from bottom to top, and an air inlet part 2, an air outlet part 3 and a radiation part 4 which are respectively communicated with the convection air duct 1, wherein the air inlet part 2 is a plurality of through holes arranged at the bottoms of the first folding shell 100 and the second folding shell 200 and is communicated with an air inlet end at the bottom of the convection air duct 1, the air outlet part 3 is a plurality of through holes arranged at the tops of the first folding shell 100 and the second folding shell 200 and is communicated with an air outlet end at the top of the convection air duct 1, and the radiation part 4 is a plurality of through holes arranged at the inner side faces a of the first folding shell 100 and the second folding shell 200 and is communicated with a radiation end at the side part of the convection air duct 1; a heating component 700 which is electrified and generates heat is arranged in the convection air duct 1, and the heating component 700 is connected with the main control circuit 15 through a circuit; when the first folding shell 100 and the second folding shell 200 are opened, the radiation part 4 is exposed, and the energized heating element 700 radiates far infrared rays outwards through the radiation part 4, so as to achieve the radiation heating effect; when the first folding shell 100 and the second folding shell 200 are folded, the radiation portion 4 is hidden, the powered heating component 700 heats the air in the convection air duct 1 into hot air, the natural characteristic of the rising of the hot air is utilized, the convection of the hot air from bottom to top is generated in the convection air duct 1, and the hot air is finally discharged outside through the air outlet portion 3, so that the convection heating effect is achieved.
Further, the radiation portions 4 are respectively disposed on the inner side surfaces a of the first folding shell 100 and the second folding shell 200, and the radiation portions 4 are specifically a plurality of through holes arranged in an array on the inner side surfaces a; when the first and second folded housings 100 and 200 are opened to each other, the radiation portion 4 is exposed to perform heat radiation; when the first folding housing 100 and the second folding housing 200 are folded with each other, the radiation portion 4 is hidden between the first folding housing 100 and the second folding housing 200 so as to achieve convection heating.
Further, the air inlet portion 2 is disposed at the bottom of the first folding shell 100 and the second folding shell 200, and the air inlet portion 2 of the present embodiment is a plurality of through holes linearly arranged; the air outlet part 3 is arranged at the top of the first folding shell 100 and the second folding shell 200, the air outlet part 3 of the embodiment is a plurality of through holes which are linearly arranged, and the air inlet part 2 corresponds to the air outlet part 3 up and down; under the state of opening and closing, the air inlet part 2 and the air outlet part 3 are respectively exposed.
Further, the inner side surfaces a of the first and second folding cases 100 and 200 are concavely provided; when the first folding shell 100 and the second folding shell 200 are folded, the inner side surface a on the first folding shell 100 and the inner side surface a on the second folding shell 200 are in clearance fit to form a middle air duct 5 communicated with the radiation part 4; the top end and the bottom end of the middle air duct 5 are respectively provided with an opening; in the convection heating mode, hot air can be convected from bottom to top in the convection air duct 1 and from bottom to top in the middle air duct 5, so that the ventilation quantity is further increased, and the convection heating effect is better.
Further, the heat generating component 700 relating to the present embodiment includes a glass heat generating body 6; the glass heating body 6 comprises a glass carrier 601 and a heating film layer arranged on the glass carrier 601, and the heating film layer is connected with the main control circuit 15 through a circuit; the glass heating element 6 corresponds to the radiation part 4 in front and rear.
Further, the electric heater further comprises a hinge mechanism 300, wherein the first folding shell 100 is hinged with the second folding shell 200 through the hinge mechanism 300; the hinge mechanism 300 includes a first hinge 9, a second hinge 10, a supporting shaft 11 and a positioning gland 12, the first hinge 9 is fixedly connected to one end of the first folding housing 100, the second hinge 10 is fixedly connected to one end of the second folding housing 200 and an end of the supporting shaft 11, the first hinge 9 and the second hinge 10 are coaxially and rotatably matched with each other, and the first hinge 9 and the second hinge 10 are positioned between the supporting shaft 11 and the positioning gland 12. Specifically, in this embodiment, the first hinge 9 and the second hinge 10 are respectively provided in two pieces; the two first hinged parts 9 are respectively arranged at the upper part and the lower part of one end of the first folding shell 100, and the two first hinged parts 9 are coaxially matched up and down; two second articulated elements 10 are fixed connection respectively in supporting 11 tops of axis body and bottom, and two coaxial cooperations about two second articulated elements 10, two second articulated elements 10 and supporting axis body 11 coaxial type respectively set up between two first articulated elements 9.
Furthermore, the supporting shaft body 11 is fixedly connected with the positioning gland 12, and the positioning gland 12 comprises a positioning column 1201 and a limiting convex ring 1202 which radially extends outwards to the end of the positioning column 1201; the first hinge 9 comprises a first hinge ring 901; the second hinge 10 includes a second hinge ring 1001; the first hinge ring body 901 is coaxially and rotatably sleeved outside the positioning column body 1201; the second hinge ring body 1001 is coaxially matched with the first hinge ring body 901 and is fixedly connected with the support shaft body 11; the limiting convex ring 1202 is axially limited to act on the first hinge ring body 901, so that the first hinge ring body 901 is axially limited between the limiting convex ring 1202 and the second hinge ring body 1001. Specifically, in order to cooperate with the assembly structure of the first and second hinge members, the two positioning pressing covers 12 in this embodiment are correspondingly disposed, and the two positioning pressing covers 12 are respectively and fixedly disposed at the top and the bottom of the supporting shaft 11.
Further, the hinge mechanism 300 further includes a first connecting substrate 13 fixedly connected to the first foldable housing 100, and a second connecting substrate 14 fixedly connected to the second foldable housing 200, wherein the first connecting substrate 13 is fixedly disposed at the inner side of the first foldable housing 100 in a hidden manner, and the second connecting substrate 14 is fixedly disposed at the inner side of the second foldable housing 200 in a hidden manner; the first hinge member 9 includes a first connecting arm 902, and the first connecting arm 902 at least partially extends into the inside of the first folding housing 100 to fixedly connect to the first connecting substrate 13; the second hinge member 10 includes a second connecting arm 1002, and the second connecting arm 1002 at least partially extends into the inside of the second folding housing 200 to fixedly connect to the second connection substrate 14.
Further, the electric heater that this embodiment relates to still includes the control box 400 that sets up in hinge mechanism 300 top, and the control box 400 inner chamber is provided with main control circuit 15 and control panel 16, and main control circuit 15 circuit connection control panel 16, control panel 16 expose in control box 400 top to the user controls through control panel 16.
Further, the bottom of the hinge mechanism 300 is provided with a fixed leg assembly 500; the movable leg assemblies 600 are respectively arranged at the bottoms of the first folding housing 100 and the second folding housing 200; the fixed leg assembly 500 and the movable leg assembly 600 respectively include leg bodies and universal rollers, so that the electric heater can be moved freely; when the first foldable housing 100 and the second foldable housing 200 are folded, the movable leg assemblies 600 on the first foldable housing 100 and the movable leg assemblies 600 on the second foldable housing 200 are in a staggered fit with each other, which effectively prevents the two sets of movable leg assemblies 600 from interfering with each other.
Second embodiment
Referring to fig. 9, the foldable composite electric heater according to the present embodiment is different from the first embodiment in that: the heating assembly 700 comprises a string of aluminum heaters 7 operating at least in convection heating mode, and aluminum plate heaters 8 operating at least in radiant heating mode; the aluminum stringing heating element 7 is positioned below the aluminum plate heating element 8, and the aluminum stringing heating element 7 and the aluminum plate heating element 8 are respectively arranged on the first folding shell 100 and the second folding shell 200; the aluminum heating elements 7 on the first and second folding shells correspond to each other, and the aluminum plate heating elements 8 on the first and second folding shells are in dislocation fit with each other.
Further, the aluminum-serial heating element 7 includes a U-shaped first heating pipe 701 extending transversely, and a plurality of aluminum fins 702 arranged in series on the first heating pipe 701, the plurality of aluminum fins 702 are in clearance fit, and convection gas passes through a clearance between two adjacent aluminum fins 702 to be heated; the first heat-generating pipe 701 is electrically connected with the main control circuit 15;
the aluminum plate heating body 8 comprises a second heating pipe 801 extending transversely and a heat-conducting aluminum plate 802 arranged on the second heating pipe 801, and a far infrared coating is arranged on the side surface of the heat-conducting aluminum plate 802 facing the radiation part 4; the second heating tube 801 is electrically connected with the main control circuit 15.
Other parts not described above are the same as those of the first embodiment, and are not explained in detail here.
Third embodiment
The folding composite electric heater related to the embodiment is different from the first embodiment in that: the convection air duct 1 is arranged on the first folding shell 100 or the second folding shell 200, that is, the heating element 700 is correspondingly arranged on the first folding shell 100 or the second folding shell 200; although only the first folding housing 100 or the second folding housing 200 has the heating function, the first folding housing and the second folding housing can be opened and closed to be matched with each other to achieve radiation heating and convection heating.
Other parts not described above are the same as those of the first embodiment, and are not explained in detail here.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the utility model are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and the utility model is intended to be protected by the following claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a foldable compound electric heater which characterized in that: comprises a first folding shell (100) and a second folding shell (200) which are hinged with each other; the first folding shell (100) and/or the second folding shell (200) are/is provided with a convection air duct (1), an air inlet part (2), an air outlet part (3) and a radiation part (4) which are respectively communicated with the convection air duct (1), the convection air duct (1) is provided with a heating assembly (700), and the heating assembly (700) is in circuit connection with a main control circuit (15); when the first folding shell (100) and the second folding shell (200) are mutually opened, the heating component (700) radiates far infrared rays outwards through the radiation part (4); when the first folding shell (100) and the second folding shell (200) are mutually folded, hot air convection is carried out on the convection air duct (1), and the hot air is finally discharged outside through the air outlet part (3).
2. The folding compound electric heater of claim 1, wherein: the radiation part (4) is arranged on the inner side surface (a) of the first folding shell (100) and/or the second folding shell (200); when the first folding shell (100) and the second folding shell (200) are folded, the radiation part (4) is hidden between the first folding shell (100) and the second folding shell (200).
3. The folding compound electric heater of claim 1, wherein: the air inlet part (2) is arranged at the bottom of the first folding shell (100) and/or the second folding shell (200); the air outlet part (3) is arranged at the top of the first folding shell (100) and/or the second folding shell (200); the air inlet part (2) and the air outlet part (3) are respectively exposed under the opening and closing states.
4. The folding compound electric heater of claim 1, wherein: the inner side (a) of the first folding shell (100) and/or the second folding shell (200) is/are arranged in a concave manner; when the first folding shell (100) and the second folding shell (200) are folded, a middle air duct (5) communicated with the radiation part (4) is formed between the inner side (a) of the first folding shell (100) and the inner side (a) of the second folding shell (200); the top end and the bottom end of the middle air duct (5) are respectively provided with an opening.
5. The folding compound electric heater of claim 1, wherein: the heating component (700) comprises one or two of a glass heating body (6), a serial aluminum heating body (7) and an aluminum plate heating body (8);
the glass heating body (6) comprises a glass carrier (601) and a heating film layer arranged on the glass carrier (601), and the heating film layer is connected with the main control circuit (15) through a circuit;
the aluminum-serial heating body (7) comprises a first heating pipe (701) and a plurality of aluminum fins (702) which are arranged on the first heating pipe (701) in a serial mode, and the first heating pipe (701) is connected with the main control circuit (15) in a circuit mode;
the aluminum plate heating body (8) comprises a second heating tube (801) and a heat conduction aluminum plate (802) arranged on the second heating tube (801), a far infrared coating is arranged on the heat conduction aluminum plate (802), and the second heating tube (801) is in circuit connection with the main control circuit (15).
6. The folding composite electric heater according to any of claims 1-5, wherein: the folding device further comprises a hinge mechanism (300), and the first folding shell (100) is hinged with the second folding shell (200) through the hinge mechanism (300); hinge mechanism (300) include first articulated elements (9), second articulated elements (10), support axis body (11) and positioning gland (12), first articulated elements (9) fixed connection first folding shell (100), second articulated elements (10) fixed connection second folding shell (200) and support axis body (11), coaxial normal running fit each other of first articulated elements (9) and second articulated elements (10), first articulated elements (9) and second articulated elements (10) location are between support axis body (11) and positioning gland (12).
7. The folding compound electric heater of claim 6, wherein: the supporting shaft body (11) is fixedly connected with the positioning gland (12), and the positioning gland (12) comprises a positioning column body (1201) and a limiting convex ring (1202) which radially and outwards extends on the positioning column body (1201); the first articulation (9) comprises a first articulation ring (901); the second articulation (10) comprises a second articulation ring (1001); the first hinged ring body (901) is coaxially and rotatably sleeved on the outer side of the positioning column body (1201); the second hinged ring body (1001) is coaxially matched with the first hinged ring body (901) and is fixedly connected with the support shaft body (11); the limiting convex ring (1202) is axially limited to act on the first hinged ring body (901), so that the first hinged ring body (901) is axially limited between the limiting convex ring (1202) and the second hinged ring body (1001).
8. The folding compound electric heater of claim 6, wherein: the hinge mechanism (300) further comprises a first connection base plate (13) fixedly connected with the first folding housing (100), and a second connection base plate (14) fixedly connected with the second folding housing (200); the first hinge part (9) comprises a first connecting arm (902), and the first connecting arm (902) is fixedly connected with the first connecting base plate (13); the second hinge member (10) comprises a second connecting arm (1002), and the second connecting arm (1002) is fixedly connected with the second connecting base plate (14).
9. The folding compound electric heater of claim 6, wherein: the hinge mechanism is characterized by further comprising a control box (400) arranged on the hinge mechanism (300), the control box (400) is provided with a main control circuit (15) and a control panel (16), and the main control circuit (15) is connected with the control panel (16) in a circuit mode.
10. The folding compound electric heater of claim 6, wherein: the bottom of the hinge mechanism (300) is provided with a fixed support leg assembly (500); the bottoms of the first folding shell (100) and the second folding shell (200) are respectively provided with a movable supporting leg assembly (600); when the first folding shell (100) and the second folding shell (200) are folded, the movable leg assemblies (600) on the first folding shell (100) and the movable leg assemblies (600) on the second folding shell (200) are in dislocation fit with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121778436.5U CN215597391U (en) | 2021-07-31 | 2021-07-31 | Folding composite electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121778436.5U CN215597391U (en) | 2021-07-31 | 2021-07-31 | Folding composite electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215597391U true CN215597391U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121778436.5U Active CN215597391U (en) | 2021-07-31 | 2021-07-31 | Folding composite electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215597391U (en) |
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2021
- 2021-07-31 CN CN202121778436.5U patent/CN215597391U/en active Active
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