CN111623405A - Electric heater - Google Patents
Electric heater Download PDFInfo
- Publication number
- CN111623405A CN111623405A CN201910152921.2A CN201910152921A CN111623405A CN 111623405 A CN111623405 A CN 111623405A CN 201910152921 A CN201910152921 A CN 201910152921A CN 111623405 A CN111623405 A CN 111623405A
- Authority
- CN
- China
- Prior art keywords
- film carrier
- electric heater
- electrothermal film
- vent hole
- heater according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D13/00—Electric heating systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Direct Air Heating By Heater Or Combustion Gas (AREA)
- Resistance Heating (AREA)
Abstract
The embodiment of the application provides an electric heater, which comprises an electrothermal film carrier, an electrothermal film and an insulating shell cover; the electrothermal film is arranged on the electrothermal film carrier; the electric heating film carrier is characterized in that the insulating shell cover is arranged on the outer side of the electric heating film carrier and comprises a first end and a second end which are opposite, a first vent hole is formed in the first end of the insulating shell cover, a second vent hole is formed in the second end of the insulating shell cover, and an airflow channel communicated with the first vent hole and the second vent hole is formed in the inner space of the insulating shell cover. The electric heater of the embodiment of the application takes the electric heating film as a heat source, has a simple structure, can avoid the risks of oil leakage and fire, and has high safety level; the insulating housing cover can play the safety protection effect, prevents that outside personnel or article from directly touching the electric heat membrane, prevents to electrocute, further promotes the security of electric heater.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to an electric heater.
Background
At present, the electric heater mainly has two heating types, one is an oil heater, the working principle is that oil sealed in a metal shell is heated by electrifying, and the oil transfers heat to the metal shell, so that the heating purpose is achieved, but the oil heater has the risk of oil leakage and even fire; the other electric heater adopts a resistance heating body which is electrified to generate heat, and heats the metal shell through heat radiation, but the electric heater in the form has high requirements on the design and installation of electric shock prevention and electric leakage, and the electric shock risk is larger.
Disclosure of Invention
In view of this, the embodiment of the application expects to provide a better electric heater of security.
In order to achieve the above object, an embodiment of the present application provides an electric heater, which includes an electrothermal film carrier, an electrothermal film, and an insulating casing; the electrothermal film is arranged on the electrothermal film carrier; the electric heating film carrier is characterized in that the insulating shell cover is arranged on the outer side of the electric heating film carrier and comprises a first end and a second end which are opposite, a first vent hole is formed in the first end of the insulating shell cover, a second vent hole is formed in the second end of the insulating shell cover, and an airflow channel communicated with the first vent hole and the second vent hole is formed in the inner space of the insulating shell cover.
Further, the insulating housing comprises a housing body and two mounting seats positioned at two opposite ends of the housing body, the first vent hole is formed in one of the mounting seats, and the second vent hole is formed in the other mounting seat.
Further, the shell body is made of a light-transmitting material.
Furthermore, the electrothermal film carrier is formed into a hollow column shape, and the electrothermal film is annularly arranged on the inner surface and/or the outer surface of the electrothermal film carrier.
Furthermore, the two opposite ends of the electrothermal film carrier are connected with the corresponding mounting seats; the number of the air flow channels is multiple, and the inner space of the electrothermal film carrier forms at least one of the air flow channels.
Further, the mounting seat comprises a cylinder part and a supporting part arranged in the cylinder part, the first vent hole or the second vent hole is formed in the supporting part, and the edge of the supporting part is connected with the inner wall of the cylinder part; a flange structure protruding towards the electrothermal film carrier is formed on the surface of the supporting part, and the flange structure is inserted into the electrothermal film carrier; or, the supporting part is provided with a slot, and the end part of the electrothermal film carrier is inserted into the slot.
Furthermore, the barrel part comprises a first barrel and a second barrel which are connected in series, and a step surface is formed at the junction of the first barrel and the second barrel; the shell body is sleeved with the second cylinder, and the end of the shell body is abutted to the step surface.
Furthermore, a through hole is formed in the first cylinder of the mounting seat at the first end of the insulating housing, and the through hole is communicated with the first vent hole.
Further, the electric heater includes shielding part and electrode slice, the electrode slice with the electrode conductive contact of electric heat membrane, shielding part cover is located on the electric heat membrane carrier, shielding part is located one side that deviates from of electrode slice the supporting part.
Furthermore, the edge of the shielding part extends to the inner wall of the shell cover body, and a through hole through which air flows is formed in the shielding part.
Furthermore, the electric heater comprises a wire walking part and a power line, the wire walking part extends along the length direction of the electrothermal film carrier, at least part of the power line penetrates through the wire walking part, and the power line is electrically connected with the electrode slice.
Further, the electric heater still includes the fan, the fan sets up in at least one in the mount pad, the air current that the fan produced can get into in the air current passageway.
Further, the housing body is cylindrical, the electrothermal film carrier is hollow cylindrical, and the electrothermal film carrier and the housing body are coaxially arranged.
Further, the electrothermal film carrier is made of light transmission; and/or the electric heating film is made of a light-transmitting material.
The electric heater of the embodiment of the application takes the electric heating film as a heat source, has a simple structure, can avoid the risks of oil leakage and fire, and has high safety level; cold air can get into the airflow channel in the insulating housing cover from the first air vent of insulating housing cover, is heated by the electric heat membrane, discharges from the second air vent afterwards, and the air has formed the air current in airflow channel and has flowed, can heat the air among the surrounding environment effectively, and simultaneously, insulating housing cover can play the safety protection effect, prevents that outside personnel or article from directly touching the electric heat membrane, prevents to electrocute, further promotes the security of electric heater.
Drawings
Fig. 1 is a schematic structural diagram of an electric heater according to a first embodiment of the present application;
FIG. 2 is a schematic diagram of a partial explosion of the electric warmer of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a cross-sectional view taken along the line A-A in FIG. 3;
FIG. 5 is a schematic view illustrating a flow path of an air flow in the electric heater of FIG. 4, wherein arrows indicate a flow direction of the air flow and dotted lines indicate a flow path of the air flow;
fig. 6 is a schematic structural diagram of an electric heater according to a second embodiment of the present application;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a cross-sectional view taken along the line B-B in FIG. 7;
fig. 9 is a schematic structural diagram of a mounting seat at a second end of the insulating housing according to an embodiment of the present application.
Description of the reference numerals
An insulating housing 10; an air flow channel 101; a first vent hole 10 a; a second vent hole 10 b; a case body 11; a mounting base 12; a cylindrical portion 121; a first barrel 1211; a second barrel 1212; a step surface 121 a; a through hole 121 b; a support portion 122; a flange structure 1221; an electrothermal film carrier 20; an electric heating film 30; an electrode sheet 31; a shielding portion 40; a through hole 401; a routing portion 50; an abutting surface 501; a fan 60; end cap 70
Detailed Description
It should be noted that, in the present application, technical features in examples and embodiments may be combined with each other without conflict, and the detailed description in the specific embodiment should be understood as an explanation of the gist of the present application and should not be construed as an improper limitation to the present application.
"first end" and "second end" refer to directions.
The embodiment of the present application provides an electric heater, please refer to fig. 1, fig. 4, fig. 6 and fig. 8, which includes an electric heating film carrier 20, an electric heating film 30 and an insulating casing 10; the electrothermal film 30 is arranged on the electrothermal film carrier 20; the insulating housing 10 is covered on the outer side of the electrothermal film carrier 20, the insulating housing 10 includes a first end and a second end opposite to each other, the first end of the insulating housing 10 is formed with a first vent hole 10a, the second end of the insulating housing 10 is formed with a second vent hole 10b, and the inner space of the insulating housing 10 is formed with an air flow channel 101 (see fig. 5) communicating the first vent hole 10a and the second vent hole 10 b. The electric heater of the embodiment of the application takes the electric heating film 30 as a heat source, has a simple structure, can avoid the risks of oil leakage and fire, and has high safety level; cold air can get into the airflow channel 101 in the insulating housing cover 10 from the first air vent 10a of insulating housing cover 10, heated by electric heat membrane 30, discharge from second air vent 10b afterwards, the air has formed the air current flow in airflow channel 101, can heat the air in the surrounding environment effectively, and simultaneously, insulating housing cover 10 can play the safety protection effect, prevent that outside personnel or article from directly touching electric heat membrane 30, prevent the electric shock, further promote the security of electric heater.
The electrothermal film carrier 20 can be transparent or opaque, and the electrothermal film carrier 20 can be made of transparent or opaque material. The shape of the electrothermal film carrier 20 can be a plane plate shape, a curved plate shape, or a hollow column shape. In this embodiment, the electrothermal film carrier 20 is a hollow cylinder, and the cross-sectional shape of the electrothermal film carrier 20 may be circular, that is, the electrothermal film carrier 20 is a hollow cylinder or a polygon. The electrothermal film 30 is disposed around the inner surface or the outer surface of the columnar electrothermal film carrier 20. The electrothermal film carrier 20 extends substantially along the direction from the first end to the second end of the insulating housing 10, and may extend linearly or curvilinearly. It should be noted that the electrothermal film carrier 20 needs to have good heat resistance and a small expansion coefficient within the heating temperature range of the electrothermal film 30, for example, the material of the electrothermal film carrier 20 is quartz glass.
The electrothermal film 30 may be coated on the surface of the electrothermal film carrier 20, or attached to the circumferential surface of the electrothermal film carrier 20. The forming process of the electric heating film 30 is not limited herein. The electric heating film 30 may be made of a transparent material or a non-transparent material. It can be understood that, in the forming process of the electrothermal film 30, electrodes (not shown) are formed on two opposite directions of the electrothermal film 30, and the electrothermal film 30 can enter a heating state as long as the two electrodes are connected with a power supply. In the embodiment of the present application, the electrodes of the electrothermal film 30 are located at two opposite ends of the electrothermal film carrier 20 along the length direction.
Referring to fig. 2, the electric heater further includes a power line and two electrode plates 31, each electrode plate 31 is in conductive contact with one electrode, the electrode plates 31 correspond to the electrodes one by one, and the power line (not shown) is electrically connected to the electrode plate 31, so that the conductive connection between the electrode plate 31 and the electrodes can be ensured, and the connection between the electrode plate 31 and the power line is facilitated.
Referring to fig. 2 and 4, the insulating housing 10 includes a housing body 11 and two mounting seats 12 located at two opposite ends of the housing body 11, wherein a first vent hole 10a is formed on one of the mounting seats 12, and a second vent hole 10b is formed on the other mounting seat 12, that is, one of the mounting seats 12 is formed as at least a partial structure of a first end of the insulating housing 10, and the other mounting seat 12 is formed as at least a partial structure of a second end of the insulating housing 10.
Referring to fig. 2, the housing body 11 is substantially cylindrical, may be polygonal cylindrical, and the like. The shell body 11 is covered outside the electrothermal film carrier 20 along the length direction of the electrothermal film carrier 20. The housing body 11 can be made of a light-transmitting material, such as glass, PC (Polycarbonate), and the like, so that a user can visually watch the structure inside the housing body 11, the user can visually know the internal structure and the working state of the electric heater, and the visual aesthetic feeling of the electric heater can be enhanced.
The mounting seats 12 provide mounting positions for the electrothermal film carrier 20, and specifically, referring to fig. 4 and 8, two opposite ends of the electrothermal film carrier 20 along the length direction are respectively connected with the corresponding mounting seats 12, for example, one end of the electrothermal film carrier 20 corresponding to the first end of the insulating housing 10 is connected with one of the mounting seats 12, and one end of the electrothermal film carrier 20 corresponding to the second end of the insulating housing 10 is connected with the other mounting seat 12. In order to fully form the air flow, please refer to fig. 5, the number of the air flow channels 101 is plural, and at least one air flow channel 101 is formed inside the electrothermal film carrier 20, specifically, the number of the first vent holes 10a is plural, the number of the second vent holes 10b is plural, wherein one end of the electrothermal film carrier 20 is communicated with at least one first vent hole 10a, the other end of the electrothermal film carrier 20 is communicated with at least one second vent hole 10b, and the inner space of the electrothermal film carrier 20 is formed as at least one air flow channel 101. In this case, there are at least two airflow channels 101 inside the insulating housing 10, wherein one airflow channel 101 is: a space formed by a gap between the inner wall of the shell body 11 and the outer surface of the electrothermal film carrier 20; another air flow channel 101 is: the inner space of the electrothermal film carrier 20. In the heating state of the electrothermal film 30, the air in the air flow channel 101 between the inner wall of the housing body 11 and the outer surface of the electrothermal film carrier 20 is heated, the air in the air flow channel 101 inside the electrothermal film carrier 20 is also heated, and the air in the two air flow channels 101 is discharged from the corresponding second ventilation holes 10b after being heated.
Referring to fig. 9, the mounting seat 12 is substantially in a stepped cylindrical shape, the mounting seat 12 includes a cylindrical portion 121 and a supporting portion 122 disposed inside the cylindrical portion 121, and an edge of the supporting portion 122 is connected to an inner wall of the cylindrical portion 121. The supporting portion 122 and the cylindrical portion 121 may be formed integrally or may be formed separately. The opposite ends of the electrothermal film carrier 20 are supported on the supporting portions 122, that is, the supporting portions 122 provide mounting positions for the electrothermal film carrier 20. The support portion 122 is formed with a first vent hole 10a or a second vent hole 10b, specifically, when the mounting base 12 corresponds to the first end of the insulating housing 10, the mounting base 12 is formed with the first vent hole 10a, and when the mounting base 12 corresponds to the second end of the insulating housing 10, the mounting base 12 is formed with the second vent hole 10 b.
The electric heating film carrier 20 is clamped between the two mounting bases 12, the two opposite ends of the electric heating film carrier 20 are positioned by the two mounting bases 12, and the electric heating film carrier 20 is in plug-in fit with the mounting bases 12 in order to facilitate the mounting and dismounting of the electric heating film carrier 20 and the mounting bases 12. In the embodiment of the present application, please refer to fig. 9, a flange structure 1221 protruding toward the electrothermal film carrier 20 is formed on the surface of the supporting portion 122 facing the electrothermal film carrier 20, and referring to fig. 4, the flange structure 1221 is inserted into the electrothermal film carrier 20. In another embodiment, not shown, the support 122 is formed with a slot (not shown) into which an end of the electrothermal film carrier 20 is inserted.
With reference to fig. 9, the cylinder 121 includes a first cylinder 1211 and a second cylinder 1212 connected in series, and a step surface 121a is formed at a boundary between the first cylinder 1211 and the second cylinder 1212, and the step surface 121a faces a side of the electrothermal film carrier 20. The profile shape of the second barrel 1212 is matched with the shape of the housing body 11, the housing body 11 is sleeved with the second barrel 1212, and the end of the housing body 11 abuts against the corresponding step surface 121 a. It can be understood that the step surface 121a may be located outside the cylinder portion 121, in which case the housing body 11 is sleeved outside the second cylinder 1212; the stepped surface 121a may be located inside the cylinder portion 121, and in this case, one end of the housing main body 11 is fitted inside the second cylinder 1212. The stepped surface 121a can perform a positioning function in the longitudinal direction with respect to the housing body 11.
Referring to fig. 1, a through hole 121b is formed in the second cylinder 1212 of the mounting base 12 corresponding to the first end of the insulating housing 10, and the through hole 121b is communicated with the first vent hole 10 a. The through holes 121b facilitate the cool air to enter the second barrel 1212 and further enter the airflow path 101 through the first vent holes 10 a. For example, the electric heater according to the embodiment of the present application is placed on the ground, the first end is located below, and the second end is located above, that is, the end of the first tube 1211 of the mounting seat 12 located at the first end of the insulation housing 10 contacts with the ground, in this case, the cold air can enter the first tube 1211 through the through hole 121b, so that even if the end of the first tube 1211 is in flat contact with the ground, the cold air entering the first tube 1211 is not affected, that is, the air flow in the electric heater is not affected.
In order to make the electric heater more beautiful as a whole, please refer to fig. 2 and fig. 4, the electric heater of the embodiment of the present application further includes a shielding portion 40, the shielding portion 40 is sleeved on the electric heating film carrier 20, and the shielding portion 40 is located on one side of the electrode sheet 31 departing from the supporting portion 122, and an edge of the shielding portion 40 extends towards the inner wall direction of the housing body 11. When the shielding portion 40 is provided corresponding to the electrode sheet 31, and one electrode sheet 31 is provided, only one shielding portion 40 may be provided. The shielding part 40 can shield the electrode plate 31, and when the user watches the electric heater from the outside of the electric heater, the user can not see or can not see the electrode plate 31 clearly due to the shielding of the shielding part 40 so as to reduce the influence of the structures such as the electrode plate 31 on the visual effect of the electric heater.
Further, the edge of the shielding portion 40 extends to the inner wall of the housing body 11, that is, the edge of the shielding portion 40 contacts with the housing body 11 or is spaced apart from the housing body 11 by a small distance, so as to shield the electrode sheet 31 and other structures in a large range. In order to avoid the influence of the shielding portion 40 on the flow of the air current, a through hole 401 through which the air current flows is formed in the shielding portion 40. The number and shape of the through holes 401 are not limited as long as they allow airflow to pass therethrough.
In order to facilitate the installation of the shielding part 40 and reduce the visual influence of the power line on the electric heater, the electric heater of the embodiment of the application includes the wire routing part 50, the wire routing part 50 extends along the length direction of the electric heating film carrier 20, at least part of the power line penetrates through the inside of the wire routing part 50, that is, the wire routing part 50 is used for shielding the power line. It will be appreciated that the color of the routing portion 50 may be configured appropriately, for example, the color of the routing portion 50 is substantially similar to the color of the casing body 11, so as to achieve overall harmonious hue.
The two opposite ends of the wire trace 50 along the length direction of the electrothermal film carrier 20 extend to the supporting portions 122, that is, the two opposite ends of the wire trace 50 abut against the corresponding supporting portions 122, and the supporting portions 122 can position the wire trace 50. Further, in order to facilitate positioning of the shielding portion 40, an abutment surface 501 is formed on a surface of the routing portion 50, and the abutment surface 501 corresponds to the shielding portion 40, that is, one shielding portion 40 corresponds to at least one abutment surface 501. The shielding portion 40 is interposed between the contact surface 501 and the end portion of the second barrel 1212, and specifically, the surface of the shielding portion 40 on the side away from the electrode sheet 31 contacts the contact surface 501, and the surface of the shielding portion 40 on the side toward the electrode sheet 31 contacts the end portion of the second barrel 1212, thereby positioning the shielding portion 40. The contact surface 501 is not limited in configuration as long as it can position the shielding portion 40.
It should be noted that, the electric heater in the embodiment of the present application may be additionally provided with a motor inside the insulating housing 10 to accelerate the air flow speed, and certainly, the fan 60 may not be provided, and the natural convection of the cold and hot air may be relied on.
In one embodiment of the present application, the fan 60 is disposed in at least one mounting seat 12, for example, in the mounting seat 12 located at the first end of the insulating housing 10, or in the mounting seat 12 located at the second end of the insulating housing 10, and of course, a fan 60 may be disposed in each of the two mounting seats 12; the airflow generated by the fan 60 can enter the airflow passage 101 to accelerate the airflow.
Further, the electric heater of the embodiment of the present application further includes an end cap 70, and the end cap 70 is disposed at an end portion of the mounting seat 12 located at the first end of the insulation casing 10.
The number of the electrothermal film carriers 20 is not limited, and can be one or more; in the embodiment of the application, the number of the electrothermal film carriers 20 is one, and the electrothermal film carriers 20 and the shell cover body 11 are coaxially arranged, so that the design is simple in structure and convenient to install.
The following describes embodiments one and two.
Example one
Referring to fig. 1 to 5, in the first embodiment of the present application, the housing body 11 is cylindrical, the electrothermal film carrier 20 is hollow cylindrical, the number of the electrothermal film carriers 20 is one, and the electrothermal film carrier 20 and the housing body 11 are coaxially disposed. The shell body 11, the electrothermal film carrier 20 and the electrothermal film 30 are all made of a light-transmitting material, so that the electric heater approximately presents a transparent and visible visual aesthetic feeling.
The opposite two sides of the electric heating film carrier 20 along the length direction are both provided with an electrode plate 31 and a shielding part 40, the shielding part 40 is sleeved on the electric heating film carrier 20, the edge of the shielding part 40 extends to the inner wall of the shell cover body 11, a plurality of through holes 401 are formed in the shielding part 40, and the through holes 401 are roughly radially arranged by taking the electric heating film carrier 20 as the center. The two ends of the electrothermal film carrier 20 are sleeved on the outer surface of the flange structure 1221.
A plurality of through holes 121b are formed in the first tube 1211 of the mounting base 12 located at the first end of the insulating housing 10. The end cap 70 is disposed on the mounting seat 12 at the first end of the insulating housing 10, and specifically, the end cap 70 covers the end of the first tube 1211.
It should be noted that, the following assembling process is described by taking the vertical direction during assembling as an example, wherein during assembling, the first end may be upward, the second end may be downward, or the first end may be downward, and the second end may be upward.
An electrode plate 31 is sleeved below the electrothermal film carrier 20;
sleeving a shielding part 40 on the outer surface of the electrothermal film carrier 20 from top to bottom from the upper part of the electrothermal film carrier 20 until the shielding part 40 is approximately close to the upper part of the electrode plate 31;
inserting the lower end of the electrothermal film carrier 20 into a flange 1221 of a mounting base 12, wherein the lower surface of the shielding portion 40 is supported by the end of the second cylinder 1212;
inserting the routing portion 50 until the bottom end of the routing portion 50 abuts against the upper surface of the supporting portion 122, in which case the abutting surface 501 below the routing portion 50 abuts against the upper surface of the shielding portion 40;
the upper shielding part 40 is sleeved on the outer surface of the electrothermal film carrier 20, so that the lower surface of the shielding part 40 is abutted against the abutting surface 501 above the wiring part 50;
installing an upper electrode plate 31, and connecting the electrode plate 31 with a power line;
sleeving the shell cover body 11 on the outer side of the electrothermal film carrier 20, wherein the lower part of the shell cover body 11 abuts against the step surface 121a of the mounting seat 12 below;
another mount 12 is fitted over the electrothermal film carrier 20 and over the case body 11 from above.
The bottom cover can be assembled at any time.
When the electric heater of the first embodiment is used, the first end of the insulation housing 10 can be placed downwards, and the second end can be placed upwards. Cold air enters the first tube 1211 through the through hole 121b, and then, a part of the cold air enters the electrothermal film carrier 20 and is discharged out of the electric heater from the upper part of the electrothermal film carrier 20 after being heated; wherein the other part of the cold air enters the space between the shell body 11 and the outer surface of the electrothermal film carrier 20 and is discharged out of the electric heater from the upper part of the insulating shell 10 after being heated. The ambient temperature rises by means of natural convection of cold and hot air, so as to achieve the effect of warming.
Example two
Referring to fig. 6-8, different from the first embodiment, in the second embodiment, the electric heater is provided with a fan 60, the fan 60 is disposed in the mounting seat 12 at the first end of the insulating casing 10, specifically, on a side of the supporting portion 122 away from the electrothermal film carrier 20, that is, substantially in the first tube 1211, the fan 60 is located between the end cover 70 and the supporting portion 122, and the end cover 70 can protect the fan 60 to prevent other objects from touching and damaging the motor during transportation or assembly.
It can be understood that, in the second embodiment, since the fan 60 needs a certain installation space, the size of the installation base 12 on the side where the fan 60 is located may be larger than that of the other installation base 12.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (13)
1. The electric heater, its characterized in that includes:
an electrothermal film carrier (20);
the electrothermal film (30), the electrothermal film (30) is arranged on the electrothermal film carrier (20);
the electric heating film carrier comprises an insulating shell cover (10), wherein the insulating shell cover (10) is covered on the outer side of the electric heating film carrier (20), the insulating shell cover (10) comprises a first end and a second end which are opposite to each other, a first vent hole (10a) is formed at the first end of the insulating shell cover (10), a second vent hole (10b) is formed at the second end of the insulating shell cover (10), and an air flow channel (101) communicated with the first vent hole (10a) and the second vent hole (10b) is formed in the inner space of the insulating shell cover (10).
2. The electric heater according to claim 1, wherein the insulating housing (10) comprises a housing body (11), and two mounting seats (12) at opposite ends of the housing body (11), the first vent hole (10a) being formed in one of the mounting seats (12), and the second vent hole (10b) being formed in the other of the mounting seats (12).
3. The electric heater according to claim 2, characterized in that the shell body (11) is made of a light-transmitting material.
4. The electric heater according to claim 2, wherein the electric heating film carrier (20) is formed in a hollow cylindrical shape, and the electric heating film (30) is annularly arranged on the inner surface and/or the outer surface of the electric heating film carrier (20).
5. The electric heater according to claim 4, characterized in that the opposite ends of the electrothermal film carrier (20) are connected with the corresponding mounting seats (12); the number of the air flow channels (101) is multiple, and the inner space of the electrothermal film carrier (20) is formed into at least one air flow channel (101).
6. The electric heater according to claim 5, wherein the mounting seat (12) comprises a cylinder (121) and a support part (122) arranged in the cylinder (121), the support part (122) is provided with the first vent hole (10a) or the second vent hole (10b), and the edge of the support part (122) is connected with the inner wall of the cylinder (121); a flange structure (1221) protruding towards the electrothermal film carrier (20) is formed on the surface of the supporting part (122), and the flange structure (1221) is inserted into the electrothermal film carrier (20); or, the supporting part (122) is provided with a slot, and the end part of the electrothermal film carrier (20) is inserted into the slot.
7. The electric heater according to claim 6, wherein the tube part (121) comprises a first tube (1211) and a second tube (1212) connected in series, and a step surface (121a) is formed at the junction of the first tube (1211) and the second tube (1212); the shell body (11) is sleeved with the second cylinder (1212), and the end of the shell body (11) is abutted to the step surface (121 a).
8. The electric heater according to claim 7, characterized in that a through hole (121b) is formed on the first tube (1211) of the mounting seat (12) at the first end of the insulating housing (10), and the through hole (121b) is communicated with the first vent hole (10 a).
9. The electric heater according to claim 8, wherein the electric heater comprises a shielding portion (40) and an electrode plate (31), the electrode plate (31) is in conductive contact with an electrode of the electric heating film (30), the shielding portion (40) is sleeved on the electric heating film carrier (20), and the shielding portion (40) is located on one side of the electrode plate (31) away from the supporting portion (122).
10. The electric heater according to claim 9, wherein the edge of the shielding portion (40) extends to the inner wall of the shell body (11), and a through hole (401) for flowing the air flow is formed on the shielding portion (40).
11. The electric heater according to claim 2, further comprising a fan (60), wherein the fan (60) is disposed in at least one of the mounting seats (12), and an air flow generated by the fan (60) can enter the air flow channel (101).
12. The electric heater according to any of the claims 1-11, wherein the housing body (11) is cylindrical, the electrothermal film carrier (20) is hollow cylindrical, and the electrothermal film carrier (20) and the housing body (11) are coaxially arranged.
13. The electric heater according to any of claims 1-11, characterised in that the electric heating film carrier (20) is made of light-transmitting; and/or the electric heating film (30) is made of a light-transmitting material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910152921.2A CN111623405B (en) | 2019-02-28 | 2019-02-28 | Electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910152921.2A CN111623405B (en) | 2019-02-28 | 2019-02-28 | Electric heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111623405A true CN111623405A (en) | 2020-09-04 |
| CN111623405B CN111623405B (en) | 2022-03-18 |
Family
ID=72258768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910152921.2A Active CN111623405B (en) | 2019-02-28 | 2019-02-28 | Electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111623405B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115479292A (en) * | 2021-06-16 | 2022-12-16 | 广东美的环境电器制造有限公司 | Heating equipment |
| CN117803972A (en) * | 2024-03-01 | 2024-04-02 | 宁波瑞能智慧科技股份有限公司 | Regional self-adjusting warmer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0960900A (en) * | 1995-08-18 | 1997-03-04 | Philips Japan Ltd | Oil heater with temperature sensor |
| US20050175329A1 (en) * | 2004-02-09 | 2005-08-11 | Chuan-Pan Huang | Convectional radial electric warmer |
| CN200996716Y (en) * | 2006-12-14 | 2007-12-26 | 乐国兴 | Convective electric heater |
| CN201589410U (en) * | 2009-11-23 | 2010-09-22 | 先锋电器集团有限公司 | Convection quick heating type electric heater |
| CN204202000U (en) * | 2014-11-06 | 2015-03-11 | 南京暖暖能源科技有限公司 | A kind of pressure air circulation formula warmer of heat-insulation noise-reduction |
| CN206618007U (en) * | 2017-03-28 | 2017-11-07 | 成都扬中新能源科技有限公司 | The indoor uniform warmer of heating |
-
2019
- 2019-02-28 CN CN201910152921.2A patent/CN111623405B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0960900A (en) * | 1995-08-18 | 1997-03-04 | Philips Japan Ltd | Oil heater with temperature sensor |
| US20050175329A1 (en) * | 2004-02-09 | 2005-08-11 | Chuan-Pan Huang | Convectional radial electric warmer |
| CN200996716Y (en) * | 2006-12-14 | 2007-12-26 | 乐国兴 | Convective electric heater |
| CN201589410U (en) * | 2009-11-23 | 2010-09-22 | 先锋电器集团有限公司 | Convection quick heating type electric heater |
| CN204202000U (en) * | 2014-11-06 | 2015-03-11 | 南京暖暖能源科技有限公司 | A kind of pressure air circulation formula warmer of heat-insulation noise-reduction |
| CN206618007U (en) * | 2017-03-28 | 2017-11-07 | 成都扬中新能源科技有限公司 | The indoor uniform warmer of heating |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115479292A (en) * | 2021-06-16 | 2022-12-16 | 广东美的环境电器制造有限公司 | Heating equipment |
| CN117803972A (en) * | 2024-03-01 | 2024-04-02 | 宁波瑞能智慧科技股份有限公司 | Regional self-adjusting warmer |
| CN117803972B (en) * | 2024-03-01 | 2024-05-07 | 宁波瑞能智慧科技股份有限公司 | Regional self-adjusting warmer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111623405B (en) | 2022-03-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111623405B (en) | Electric heater | |
| US20190191769A1 (en) | Atomizer and electronic cigarette | |
| US9326328B2 (en) | Induction cooking hob with illumination equipment | |
| CN104728631A (en) | LED bulb with central axis bidirectional convection type heat radiation structure | |
| CN106016201A (en) | LED lamp, oven and microwave oven | |
| CN208817279U (en) | Downlight with detachable electronic module | |
| KR101271569B1 (en) | The lamp | |
| ES2814340T3 (en) | Cooking field device | |
| JP5701429B1 (en) | lighting equipment | |
| JP2012234628A (en) | Led module and lighting system | |
| CN210951424U (en) | Electromagnetic oven | |
| JP2016004754A (en) | LED lighting device | |
| RU2761177C2 (en) | Explosion-proof led lamp | |
| NL2015653B1 (en) | LED lamp. | |
| ITMI20090948A1 (en) | RADIANT HEATING DEVICE | |
| KR101292217B1 (en) | Led illumination lamp | |
| KR102055208B1 (en) | Detachable electric cooker | |
| KR20180082576A (en) | Signal registration | |
| CN215061950U (en) | Waterproof lamp subassembly of structure that waterproof grade reaches IP68 | |
| CN204534778U (en) | For the heat-generating units of electric heater | |
| CN215174900U (en) | Lamp radiating assembly and lamp | |
| CN113310038B (en) | Lamp assembly with waterproof structure and lamp | |
| CN113310035B (en) | Lamp radiating assembly and lamp | |
| CN211625443U (en) | Vertical warmer | |
| CN205690132U (en) | A kind of LED lamp tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |