GB2479591A - Electrical fan heater comprising two air outlets - Google Patents

Electrical fan heater comprising two air outlets Download PDF

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Publication number
GB2479591A
GB2479591A GB1006378A GB201006378A GB2479591A GB 2479591 A GB2479591 A GB 2479591A GB 1006378 A GB1006378 A GB 1006378A GB 201006378 A GB201006378 A GB 201006378A GB 2479591 A GB2479591 A GB 2479591A
Authority
GB
United Kingdom
Prior art keywords
outer casing
air
heater
air outlets
heating
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.)
Withdrawn
Application number
GB1006378A
Other versions
GB201006378D0 (en
Inventor
Ming-Tsung Chiu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
New Widetech Industries Co Ltd
Original Assignee
New Widetech Industries Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by New Widetech Industries Co Ltd filed Critical New Widetech Industries Co Ltd
Priority to GB1006378A priority Critical patent/GB2479591A/en
Publication of GB201006378D0 publication Critical patent/GB201006378D0/en
Publication of GB2479591A publication Critical patent/GB2479591A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0411—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems
    • 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
    • F24D15/00—Other domestic- or space-heating systems
    • F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/022—Air heaters with forced circulation using electric energy supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0411—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems
    • F24H3/0417—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems portable or mobile
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
    • F24H9/1863—Arrangement or mounting of electric heating means
    • F24H9/1872—PTC

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)

Abstract

A heater has an outer casing (100, fig. 1) and at least one core assembly 2. An air inlet 101 is formed through a rear surface of the outer casing. Two air outlets 102 are formed respectively through two sides of the outer casing. Each core assembly is mounted in the outer casing and has at least one fan (20, fig.6) and two heating assemblies (30, fig.6). Each fan draws air axially from the air inlet and blows air radially towards the air outlets. The heating assemblies are mounted respectively in the sides of the outer casing and correspond respectively to the air outlets. A power cable 103 is mounted through the outer casing, where the fan and heating assemblies are connected electrically to the power cable. Preferably, each heating assembly has a PTC ceramic heating component. With such positioning of the air inlet and the air outlets, warmed air blows out from both sides of the outer casing. The heater is designed to increase convection speed and accelerate the warming of ambient air so as improve the efficiency of ambient air heating.

Description

HEATER
1. Field of the Invention
The present invention relates to a heater, especially to a heater used for raising ambient air temperature.
2. Description of the Prior Arts
Heaters are electronic devices that are generally used for raising ambient air temperature. A conventional heater has at least one axial flow fan and a heating assembly to draw air through a backside of the heater and blow warm air through the front side of the heater. Thus, the warm air is blown in single direction only. Because convection of warm air is in a single direction, warming of ambient air temperature is slow. Therefore, the conventional heater must be run before a warming effect is felt so is inconvenient and requires high power consumption.
To overcome the shortcomings, the present invention provides a heater that could increase the convection speed and accelerate the raise of the ambient air temperature to mitigate or obviate the aforementioned problems.
The main objective of the present invention is to provide a heater that increases convection speed so accelerates warming of ambient air temperature.
The heater comprises an outer casing and at least one core assembly. The outer casing has an air inlet and two air outlets. The air inlet is formed through a rear surface of the outer casing. The air outlets are formed respectively through two sides of the outer casing. Each core assembly is mounted in the outer casing and has at least one fan and two heating assemblies. Each fan draws air axially from the air inlet of the outer casing and blows air radially towards the air outlets of the outer casing. The heating assemblies are mounted respectively in the sides of the outer casing and correspond respectively to the air outlets.
With such positioning of the air inlet and outlets and with the fan exhaling air radially, the warm air is blown out from both sides of the outer casing. Thus, convection speed is increased and warming of ambient air temperature is accelerated, which increases the efficiency of heating ambient air. Furthermore, because many core assemblies are stacked on one another, heating area can be increased.
Other objectives, advantages and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.
In the drawin2s: Fig. 1 is a perspective view of a heater in accordance with the present invention; Fig. 2 is an exploded perspective view of the heater in Fig. 1; Fig. 3 is an exploded perspective view of a core assembly of the heater in Fig. 1; Fig. 4 is a perspective view of the core assembly in Fig. 3; Fig. 5 is another perspective view of the core assembly in Fig. 3; Fig. 6 is a cross-sectional top view of the core assembly in Fig 3; Fig. 7 is an operational perspective view of two core assemblies in Fig. 3 being vertically stacked one another and Fig. 8 is a block diagram of the heater in Fig. 1.
With reference to Figs. 1 to 3, a heater in accordance with the present invention comprises an outer casing (100) and at least one core assembly (2).
With reference to Figs. 1, 2, and 8, the outer casing (100) is hollow and has an air inlet (101), two air outlets (102) and a power cable (103). The air inlet (101) is formed through a rear surface of the outer casing (100). The air outlets (102) are formed respectively through two sides of a front surface of the outer casing (100). The power cable (103) protrudes out from a bottom of the outer casing (100) and is connected electrically to an external power source (40).
With reference to Figs. 2 to 5, each core assembly (2) is mounted in the outer casing (100) and has one inner casing (10), at least one fan (20) and two heating assemblies (30). With further reference to Fig. 7, the heater in accordance with the present invention comprises multiple stacked core assemblies (2).
The inner casing (10) is mounted in the outer casing (100). The inner casing (10) is hollow and may comprise two half casing bodies (104) attached to each other. The inner casing (10) has at least one air inlet (11), two air outlets (12), two guiding portions (13) and two connecting frames (14). Each air inlet (11) is formed through a rear surface of the inner casing (10) and corresponds to the air inlet (101) of the outer casing (100). The air outlets (12) are formed respectively through two sides of the inner casing (10) and respectively correspond to the air outlets (102) of the outer casing (100). The guiding portions (13) are formed obliquely on and respectively protrude around the air outlets (12) of the inner casing (10). The connecting frames (14) are respectively mounted securely around the corresponding guiding portions (13).
The power cable (103) may protrude through the inner casing (10).
Each fan (20) is mounted rotatably in the inner casing (10). Each fan (20) corresponds to the air inlet (101) of the outer casing (100) and to one air inlet (11) of the inner casing (10). Each core assembly (2) may have multiple fans (20). In a preferred embodiment, each core assembly (2) has two fans (20).
With further reference to Fig. 8, each fan (20) has a driving device and is connected electrically to the power cable (103). Each fan (20) may be a centrifugal fan. Each fan (20) draws air axially from the corresponding air inlets (101, 11) and blows air radially towards the air outlets (102, 12) at both sides.
With reference to Figs. 2, 4, 6, and 8, the heating assemblies (30) are mounted respectively on the sides of the inner casing (10) and are connected electrically to the power cable (103). Each heating assembly (30) corresponds to one air outlet (102) of the outer casing (100) and one air outlet (12) of the inner casing (10). The heating assemblies (30) are located respectively at both sides of the fan (20) in a radial direction. Each heating assembly (30) may have a PTC (Positive Temperature Coefficient) ceramic heating component. Each heating assembly (30) may be mounted securely across a corresponding connecting frame (14).
With reference to Figs. 2 and 6, when the heater as described operates, the air is drawn axially through the air inlet (101) of the outer casing (100) and the air inlets (11) of the inner casing (10) via the rotation of the fans (20). Then the air is blown radially through the air outlets (12) of the inner casing (10), the heating assemblies (30) and the air outlets (102) of the outer casing (100) at both sides in sequence. Thus, the air is heated while passing through the heating assemblies (30) on both sides. Therefore, the warm air blows out from both sides of the outer casing (100) and warms air in two directions to warm ambient air. Consequently, convection speed is increased and the ambient air is warmed more effectively, which increases efficiency of heating the ambient air.

Claims (9)

  1. Claims 1. A heater comprising: an outer casing (100) having an air inlet (101) formed through a rear surface of the outer casing (100); two air outlets (102) formed respectively through two sides of the outer casing (100); and a power cable (103) mounted through the outer casing (100); and at least one core assembly (2) mounted in the outer casing (100), and each one of the at least one core assembly (2) having at least one fan (20) connected electrically to the power cable (103), drawing air axially from the air inlet (101) of the outer casing (100) and blowing air radially towards the air outlets (102) of the outer casing (100); and two heating assemblies (30) mounted respectively in the sides of the outer casing (100), corresponding respectively to the air outlets (102) and connected electrically to the power cable (103).
  2. 2. The heater as claimed in claim 1, wherein each one of the at least one core assembly (2) further has an inner casing (10) mounted in the outer casing (100) and having one air inlet (11) corresponding to the air inlet (101) of the outer casing (100) and two air outlets (12) corresponding respectively to the air outlets (102) of the outer casing (100); the at least one fan (20) is mounted rotatably in the inner casing (10); and the heating assemblies (30) are mounted respectively on two sides of the inner casing (10) and correspond respectively to the air outlets (12) of the inner casing (10).
  3. 3. The heater as claimed in claim 2, wherein each one of the at least one core assembly (2) further has two connecting frames (14) mounted respectively around the air outlets (12) of the inner casing (10); and each heating assembly (30) is mounted securely across a corresponding connecting frame (14).
  4. 4. The heater as claimed in claim 3, wherein the inner casing (10) of each one of the at least one core assembly (2) further has two guiding portions (13) formed obliquely on and protruding respectively around the air outlets (12) of the inner casing (10); and each connecting frame (14) is mounted securely around a corresponding guiding portion (13).
  5. 5. The heater as claimed in claim 1, wherein each heating assembly (30) has a PTC ceramic heating component.
  6. 6. The heater as claimed in claim 1 comprising multiple core assemblies (2) stacked on one another.
  7. 7. The heater as claimed in claim 2, wherein each heating assembly (30) has a PTC ceramic heating component.
  8. 8. The heater as claimed in claims 2 or 7 comprising multiple core assemblies (2) stacked on one another.
  9. 9. The heater as claimed in claim 8, wherein each core assembly (2) has multiple fans (2O) and the inner casing (10) of each core assembly (2) has multiple air inlets (11) corresponding respectively to the fans (20).
GB1006378A 2010-04-16 2010-04-16 Electrical fan heater comprising two air outlets Withdrawn GB2479591A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1006378A GB2479591A (en) 2010-04-16 2010-04-16 Electrical fan heater comprising two air outlets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1006378A GB2479591A (en) 2010-04-16 2010-04-16 Electrical fan heater comprising two air outlets

Publications (2)

Publication Number Publication Date
GB201006378D0 GB201006378D0 (en) 2010-06-02
GB2479591A true GB2479591A (en) 2011-10-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
GB1006378A Withdrawn GB2479591A (en) 2010-04-16 2010-04-16 Electrical fan heater comprising two air outlets

Country Status (1)

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GB (1) GB2479591A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103712336A (en) * 2013-12-31 2014-04-09 深圳市顺章电器有限公司 Warm air blower core assembly having variable power

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11204340B2 (en) * 2018-09-21 2021-12-21 Rosemount Inc. Forced convection heater

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129540A (en) * 1982-11-02 1984-05-16 Crockett & Kelly Inc Electrically-powered portable space heater
JPS59217444A (en) * 1983-05-24 1984-12-07 Nippon Denso Co Ltd Warm air generating machine
US5278936A (en) * 1991-12-23 1994-01-11 Steve Shao Thermostatically controlled portable electric space heater with automatic temperature setback for energy saving
US5513296A (en) * 1994-06-08 1996-04-30 Holmes Products Corp. Air heater with angled PTC heaters producing diverging heated airflow

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129540A (en) * 1982-11-02 1984-05-16 Crockett & Kelly Inc Electrically-powered portable space heater
JPS59217444A (en) * 1983-05-24 1984-12-07 Nippon Denso Co Ltd Warm air generating machine
US5278936A (en) * 1991-12-23 1994-01-11 Steve Shao Thermostatically controlled portable electric space heater with automatic temperature setback for energy saving
US5513296A (en) * 1994-06-08 1996-04-30 Holmes Products Corp. Air heater with angled PTC heaters producing diverging heated airflow

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103712336A (en) * 2013-12-31 2014-04-09 深圳市顺章电器有限公司 Warm air blower core assembly having variable power

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Publication number Publication date
GB201006378D0 (en) 2010-06-02

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