CN101713566B - Electric panel heater - Google Patents

Electric panel heater Download PDF

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Publication number
CN101713566B
CN101713566B CN2009101787278A CN200910178727A CN101713566B CN 101713566 B CN101713566 B CN 101713566B CN 2009101787278 A CN2009101787278 A CN 2009101787278A CN 200910178727 A CN200910178727 A CN 200910178727A CN 101713566 B CN101713566 B CN 101713566B
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China
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framework
panel unit
temperature
panel
locking apparatus
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CN101713566A (en
Inventor
上村礼子
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Toyotomi Kogyo Co Ltd
Toyotomi Co Ltd
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Toyotomi Co Ltd
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Publication of CN101713566A publication Critical patent/CN101713566A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00Stoves or ranges heated by electric energy
    • F24C7/04Stoves or ranges heated by electric energy with heat radiated directly from the heating element
    • F24C7/043Stoves
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/20Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Central Heating Systems (AREA)

Abstract

The present invention discloses an electric panel heater, wherein a first panel unit (U1) and a second panel unit (U2) are provided with a hollow frame (1) having a radiating opening (4) on the front face, a protective device (3) for covering the radiating opening (4), a face-shaped heating body (5) arranged inside the frame (1) and radiating from the radiating opening (4), and a heat-shield member (2) arranged inside the frame (1) and on the back of the face-shaped heating body (5) respectively. A hinge mechanism (7) is connected with the frames (1) of the first Panel unit (U1) and the second panel unit (U2) in a manner that a spreading angle between the frames (1) of the first Panel unit (U1) and the second panel unit (U2) may be adjusted. A first temperature super-rising prevention device (8) is arranged at a position of a side wall of the frame (1) of the first panel unit (U1) on the upper of the frame (1) nearby the hinge mechanism (7). Furthermore, a second temperature super-rising prevention device (8a) is arranged at the position near the side wall opposite to the side wall of the frame (1) provided with the hinge mechanism (7) on the upper of the frame (1) of the second panel unit (U2). Thus the abnormal high temperature in the frames of the electric panel heater provided with two frames of the first and the second panel units can be detected and arranged.

Description

Electric panel heater
Technical field
The present invention relates to the electric panel heater by radiant heating.
Background technology
Electric panel heater that 2 panel units are connected by linkage is proposed in patent documentation 1, described 2 panel units have the hollow that has in front radiating opening framework, cover radiating opening protector, from the radiating opening heat radiation be arranged on the planar heat producing body of the inside of framework, in the inside of framework and be configured in the hot member of screening at the rear of planar heat producing body.In this electric panel heater, the closure state of facing mutually at the radiating opening of the radiating opening of a side panel unit and the opposing party's panel unit, and between the transversely arranged deployed condition of the radiating opening of the radiating opening of a side panel unit and the opposing party's panel unit, can change the expanded angle between a side the framework of panel unit and the opposing party's the framework of panel unit.
In this electric panel heater, if use at the state (deployed condition) that launches 2 panel units, the heating of wide region becomes possibility.In addition, if use under the closure state that radiating opening is faced mutually in closed 2 frameworks, become possibility based on the heating of convection current.If become closure state in when keeping, the structure that just can become electric panel heater compactness, not take up an area.
[patent documentation 1] JP 2008-8601 communique
If by towel etc. inaccessible air outflow port or the radiating opening on framework top, just become abnormal high temperature in the framework of electric panel heater, the problems such as the distortion of framework or fault, fire might occur.Therefore, have in framework the temperature of installation and cross and rise anti-locking apparatus, when the air outflow port on framework top is inaccessible, crossed the abnormal high temperature that rises in anti-locking apparatus detection block body by temperature, stop to the safety device of planar heat producing body energising.
In the electric panel heater of patent documentation 1, when using 2 frameworks, closure state compares when using under the state that launches framework, and the temperature in framework easily rises.It is strict that temperature conditions in framework when therefore, the air outflow port on framework top is by obturation also becomes.Therefore, be necessary to determine the structure of safety device, thereby when becoming abnormal high temperature in framework, cross in the action that rises anti-locking apparatus in temperature and do not produce delay, can stop safely, reliably the energising to planar heat producing body.
Summary of the invention
The present invention solves described problem.Electric panel heater of the present invention have the first panel unit be connected the structure that panel unit connects by linkage.The first and second panel unit U1 have the hollow that has in front radiating opening 4 framework 1, cover radiating opening 4 protector 3, from radiating opening 4 heat radiations be arranged on the hot member 2 of screening at the rear of the planar heat producing body 5 of the inside of framework 1, the inside that is configured in framework 1 and planar heat producing body 5.Linkage 7 can be between the transversely arranged deployed condition of the radiating opening 4 of the radiating opening 4 of closure state that the radiating opening 4 of the radiating opening 4 of the first panel unit U1 and the second panel unit U2 is faced mutually and the first panel unit U1 and the second panel unit U2, the framework 1 of expanded angle ground connection the first panel unit U1 between the framework 1 of change the first panel unit U1 and the framework 1 of the second panel unit U2 and the framework 1 of the second panel unit U2.And, in the upper space in the framework 1 of the first panel unit U1, abnormal temperature detected and rise just to stop crossing to the first temperature of the power supply of planar heat producing body 5 and rise an anti-locking apparatus 8 if arrange in the position near the sidewall of the framework 1 that linkage 7 is set.In addition, in upper space in the framework 1 of the second panel unit U2, abnormal temperature detected and rise just to stop crossing to the second temperature of the power supply of planar heat producing body 5 and rise an anti-locking apparatus 8a if arrange in the position by sidewall of the opposite side of sidewall of the framework 1 that is positioned at and is provided with linkage 7.And the first temperature is crossed and is risen anti-locking apparatus 8 under closure state, and not only the temperature in the framework 1 of the first panel unit U1 rises, and the interior temperature of framework 1 that can also detect the second panel unit U2 rises.The second temperature is crossed and is risen anti-locking apparatus 8a under closure state, and the interior temperature of framework 1 that not only detects the second panel unit U2 rises, and the interior temperature of framework 1 that can also detect the first panel unit U1 rises.According to the present invention, when using under the closure state of the framework 1 of closed the first and second panel unit U1 and U2, temperature is crossed and is risen anti-locking apparatus 8 and 8a and be subject to respectively crossing the impact of heat of the radiating opening 4 of a side that rises anti-locking apparatus 8 and 8a from the temperature that do not have of the opposing party's framework 1.Especially under closure state, if cover the top of framework 1 with towel etc., the temperature in 2 frameworks 1 of facing mutually just rises together.As a result, 2 temperature are crossed and are risen anti-locking apparatus 8 and 8a and all be subject to impact from the heat of relative framework 1, and the temperature that also detects in the opposing party's framework 1 rises, and can detect reliably the abnormal high temperature of framework 1.
In addition, compare when using when using the framework 1 of 2 panel unit U1 and U2 under closure state with under the state that launches framework 1, temperature in framework 1 raises, when top is inaccessible, temperature in framework 1 rises fast, and the temperature ascensional range after the energising of planar heat producing body 5 stops increases, so be necessary that as far as possible temperature being crossed the operating temperature that rises anti-locking apparatus 8 and 8a sets lowly, even exist the temperature after the energising of planar heat producing body 5 stops to rise, also can be reliably stop in the temperature of safety.
In addition, can the lower margin 6 that framework 1 is left from ground be set respectively in the framework 1 of the first panel unit U1 and the framework 1 of the second panel unit U2.In addition, the diapire of framework 1 arrange air from and ground between leaked-in air inflow entrance 9, air outflow port 10 can be set at the upper wall of framework 1.At this moment, the air flow circuit 11 that is communicated with air inflow aperture 9 and air outflow port 10 in the interior formation of framework 1.And, it is desirable to the first and second temperature and cross and rise anti-locking apparatus 8 and 8a and be configured in respectively in air flow circuit 11 between the back wall that hides hot member 2 and framework 1.If like this, temperature crosses the anti-locking apparatus 8 of liter and misoperation does not just occur 8a, and when the air outflow port 10 of framework 1 was inaccessible, high temperature air rose so temperature is crossed the temperature that rises in anti-locking apparatus 8 and 8a energy fast detecting framework 1 towards the rear side that hides hot member 2.
In addition, under closure state, can certainly form the interval 12 of Air Flow between the framework 1 of the framework 1 of the first panel unit U1 and the second panel unit U2.
In addition, if satisfy described condition, it can be just arbitrarily that the first and second temperature are crossed the setting position that rises anti-locking apparatus 8 and 8a.For example, the first and second temperature are crossed and are risen anti-locking apparatus 8 and can fix at the opposite face relative with back wall that hides hot member 2 respectively with 8a.If this setting position just can improve temperature and cross the temperature measuring sensitivity that rises anti-locking apparatus 8 and 8a.At this moment, the end 2a that hides air outflow port 10 1 sides of hot member 2 tilts for along with near air outflow port 10, from the back wall of framework 1 away from.If like this, the hot top board 2a of screening on the top by the high temperature air of the hot member 2 of screening of planar heat producing body 5 heating and the air flow circuit 11 between radiating opening 4 by hiding hot member 2, go to front one side of framework 1, rise to air outflow port 10 from the top of the end 2a that hides hot member 2.As a result, in the time of increasing air outflow port 10 and not stopping up and the temperature when stopping up cross the temperature difference that rises the temperature that anti-locking apparatus 8 and 8a detect, can prevent from detecting misoperation and occur.
In addition, the sidewall in the relative side of sidewall that is positioned at the second panel unit U2 and framework 1 that linkage is set also can arrange to the outstanding guidance panel 13 of the direction of leaving from framework 1.At this moment, the display part 13b that is provided for operating the operating portion 13a of running in the front of guidance panel 13 and shows operating condition, and, control substrate 14 in the internal configurations of guidance panel 13.And, it is desirable to guidance panel 13 and have under closure state, the size of exposing in the side of the first panel unit.In addition, it is desirable to the second temperature crosses and rises near the temperature that anti-locking apparatus 8a is set to also to detect guidance panel 13 and rise.If like this, just can control substrate 14 from the interior high temperature air protection of framework 1.
Description of drawings
Fig. 1 means that be the sectional elevation of closure state to the folding state of the electric panel heater of embodiments of the invention.
Fig. 2 means the longitudinal section of the folding state of the electric panel heater of embodiments of the invention.
Fig. 3 means the stereogram of the folding state of the electric panel heater of embodiments of the invention.
What Fig. 4 meaned state that the electric panel heater of embodiments of the invention is launched wants section's front section view.
Fig. 5 means the sectional elevation of the state that the top of the electric panel heater of embodiments of the invention covers with article such as towels.
Fig. 6 means the key diagram of the variations in temperature the when top of the electric panel heater of embodiments of the invention covers with article such as towels.
In figure: the 1-framework; 2-hides hot member; The 3-protector; The 4-radiating opening; The 5-planar heat producing body; The 6-lower margin; The 7-linkage; 8-the first temperature is crossed and is risen anti-locking apparatus; 8a-the second temperature is crossed and is risen anti-locking apparatus; The 9-air inflow aperture; The 10-air outflow port; The 11-air flow circuit; The 12-interval; The 13-guidance panel; The 13a-operating portion; The 13b-display part; 14-controls substrate; U1-the first panel unit; U2-the two the first panel units.
The specific embodiment
Below, with reference to accompanying drawing, describe an example of the electric panel heater of embodiments of the present invention (embodiment) in detail.Electric panel heater has the first panel unit U1 and the second panel unit U2.The first and second panel unit U1 and U2 have the hollow that has in front radiating opening 4 framework 1, cover radiating opening 4 protector 3, from radiating opening 4 heat radiations be arranged on the planar heat producing body 5 of the inside of framework 1, in the inside of framework 1 and be configured in the hot member 2 of screening at the rear of planar heat producing body 5.Linkage 7, with the closure state of facing mutually at the radiating opening 4 of the radiating opening 4 of the first panel unit U1 and the second panel unit U2, and between the transversely arranged deployed condition of the radiating opening 4 of the first panel unit U1 and the radiating opening 4 of the second panel unit U2, the mode of the expanded angle between the framework 1 of the framework 1 of the first panel unit U1 and the second panel unit U2 be can change, the framework 1 of the first panel unit U1 and the framework 1 of the second panel unit U2 connected.At the diapire of framework 1, has a pair of lower margin 6 near sidewall.By this lower margin 6, framework 1 is vertical on the ground.
Linkage 7 by the framework 1 that is fixed on the first panel unit U1 be connected 2 installation component 7a on the sidewall of framework 1 of panel unit U2 and the rotation axial region 7b that connects rotationally 2 installation component 7a and consist of.
Linkage 7 according in the mode of rotating centered by axial region 7b, the framework 1 of the framework 1 of the first panel unit U1 and the second panel unit U2 is rotated, connects 2 frameworks 1.And, the closure state of facing mutually from the radiating opening 4 of the framework 1 of the radiating opening 4 of the framework 1 that makes the first panel unit U1 and the second panel unit U2 makes radiating opening 4 towards the state in the place ahead to launching 2 frameworks 1, and linkage 7 can change expanded angle.As a result, in the electric panel heater of present embodiment, can be in the radiation scope of horizontal expansion hot line, can be to the broad scope heating in the place aheads of 2 frameworks 1.
Diapire in the framework 1 of the framework 1 of the first panel unit U1 and the second panel unit U2 forms air inflow aperture 9, forms air outflow port 10 at the upper wall of framework 1.In addition, form in the inside of framework 1 air flow circuit 11 that is communicated with air inflow aperture 9 and air outflow port 10.Hide in the air flow circuit 11 that hot member 2 and planar heat producing body 5 be configured in framework 1.If beginning is to the energising of planar heat producing body 5, just emitted upward from the air outflow port 10 of the upper wall of framework 1 by the air in the air flow circuit 11 of planar heat producing body 5 heating.And diapire and the air between floor of framework 1 flow into air flow circuit 11 from air inflow aperture 9, along planar heat producing body 5, in the interior rising of air flow circuit 11.As a result, by the hot gas of emitting upward from air outflow port 10, in indoor generation free convection.
Under the state of framework 1 closure of the framework 1 of the first panel unit U1 and the second panel unit U2, the radiating opening 4 of 2 frameworks 1 is faced mutually.Under this state, form interval 12 between 2 frameworks 1.Front surface (front) in the framework 1 of linkage 7 and an opposite side arranges respectively protuberance 15.In addition, determine the installation site of 2 installation component 7a of linkage 7 to become the mode of rotating the position of axial region 7b and interval 12 facing mutually.As a result, centered by rotation axial region 7b, 2 frameworks 1 are rotated, thereby when radiating opening 4 was faced mutually, 2 protuberances 15 contacts formed interval 12 between 2 frameworks 1.
Thereby when using electric panel heater under the state that makes 2 frameworks 1 that the radiating opening 4 of 2 frameworks 1 is faced mutually, emitted upward from the air outflow port 10 of the upper wall of framework 1 by the air in the air flow circuit 11 of the heat of planar heat producing body 5 heating, and emitted by the top of the air in the interval 12 of the hot line of radiating opening 4 radiation (radiation) heating to framework 1, so form to the high temperature air stream of the top of framework 1, can carry out the heating based on free convection.
Sidewall in the framework 1 of the second panel unit U2 is wholely set guidance panel 13.The operating portion 13a that is consisted of by running button and timer configuration switch etc. in the former configuration of guidance panel 13, the display part 13b that is consisted of by front running lamp and timer lamp etc.According to the signal from operating portion 13a, carry out the control substrate that the energising of planar heat producing body 5 is controlled in the internal configurations of guidance panel 13.If control substrate 14 from operating portion 13a input running commencing signal, just begin the energising of planar heat producing body 5.If the temperature of describing is later crossed the anti-locking apparatus 8 of liter and 8a becomes operating state, just stop based on energising that controlling substrate 14.
In the present embodiment, in upper space in the framework 1 of the first panel unit U1, in the position of sidewall near the framework 1 that is provided with linkage 7, abnormal temperature detected and rise just to stop crossing to the first temperature of the power supply of planar heat producing body (5,5) and rise an anti-locking apparatus 8 if be provided with.In addition, in upper space in the framework 1 of the second panel unit U2, abnormal temperature detected and rise if arrange in the position of the close sidewall of the opposite side of sidewall of the framework 1 that is positioned at and is provided with linkage 7, just stop crossing to the second temperature of the power supply of planar heat producing body 5 and rise an anti-locking apparatus 8a.The first temperature is crossed and is risen anti-locking apparatus (8) under closure state, and the interior temperature of framework 1 that not only detects the first panel unit U1 rises, and the interior temperature of framework 1 that can also detect the second panel unit U2 rises.In addition, the second temperature is crossed and is risen anti-locking apparatus 8a under closure state, and the interior temperature of framework 1 that not only detects the second panel unit U2 rises, and the interior temperature of framework 1 that can also detect the first panel unit U1 rises.
The first and second temperature of using in present embodiment cross the anti-locking apparatus 8 of liter and 8a can reach operating temperature if measure temperature by have the temperature measuring function in inside, the upper limit switch formation that just stops controlling substrate 14 indication energisings.About having the upper limit switch of such function, be well-known, so omit detailed explanation.Become the above abnormal high temperature of operating temperature in framework 1, if the first and second temperature are crossed at least one party's action that rises anti-locking apparatus 8 and 8a, control substrate 14 and just receive that temperature crosses the signal that rises anti-locking apparatus 8 and 8a, stop the energising of planar heat producing body 5.As a result, can prevent framework 1 is heated to the trouble of abnormal high temperature.
The electric panel heater of present embodiment is and establishes the structure that 1,2 framework 1 of framework of the framework 1 of the first panel unit U1 and the second panel unit U2 is rotated centered by the rotation axial region 7b of linkage 7.Therefore, for these 2 frameworks 1 do not become abnormal high temperature, determine that the first and second temperature cross the installation site that rises anti-locking apparatus 8 and 8a.Namely the temperature of a side framework 1 is crossed and is risen an anti-locking apparatus 8 and be configured near the sidewall of linkage 7 one sides, and the opposing party's temperature is crossed and risen an anti-locking apparatus 8a and be configured near the sidewall of a side opposite to linkage 7.
When using under the state that launches 2 frameworks 1, the first and second temperature are crossed the temperature that rises anti-locking apparatus 8 and 8a detection framework 1 separately.But the first and second temperature are at this moment crossed the detection range that rises anti-locking apparatus 8 and 8a and are arrived respectively near the central authorities of framework 1.Therefore, when the part on the top of framework 1 is inaccessible, cross but might depart from temperature the detection range that rises anti-locking apparatus 8 and 8a., when using under the state that launches 2 frameworks 1, even the part on the top of framework 1 is inaccessible, hot gas is also emitted from its radiating opening 4 and air outflow port 10 on every side, so do not worry becoming abnormal high temperature in framework 1.And the top of framework 1 is across in a wider range by obturation the time, and hot gas is difficult to emit, and becomes abnormal high temperature in framework 1.At this moment, cross in the detection range that rises anti-locking apparatus 8 and 8a in temperature, can detect the abnormal high temperature in framework 1, can reliably prevent the abnormal high temperature of framework 1.
On the other hand, when using under the state of the framework 1 of the framework 1 of closed the first panel unit U1 and the second panel unit U2, if the top of framework 1 is covered by article such as towels, the top at the air outflow port 10 on framework 1 top and interval 12 is just inaccessible.As a result, though the hot gas in framework 1 emit from radiating opening 4,12 the top at the interval, flowing of hot gas also stops, so, even when only the part on framework 1 top was inaccessible, framework 1 also easily became abnormal high temperature.
In the present embodiment, when using electric panel heater under closure state, the first temperature of the framework 1 of the first panel unit U1 cross the framework 1 that rises anti-locking apparatus 8 and the second panel unit U2 not have the second temperature to cross the radiating opening 4 of a side that rises anti-locking apparatus 8a relative, the second temperature of the framework 1 of the second panel unit U2 is crossed and is risen anti-locking apparatus 8a and face mutually with the radiating opening 4 that does not have the first temperature to cross a side that rises anti-locking apparatus of the framework 1 of the first panel unit U1.Therefore, when for example near the top the sidewall of linkage 7 one sides was inaccessible, the first temperature of the framework 1 by the first panel unit U1 was crossed and is risen an anti-locking apparatus 8, can detect the abnormal high temperature of 2 frameworks 1 of the first and second panel unit U1 and U2.And near the top the sidewall of a side opposite to linkage 7 is when inaccessible, and the second temperature of the framework 1 by the second panel unit U2 is crossed and risen an anti-locking apparatus 8a, can detect the abnormal high temperature of 2 frameworks 1 of the first and second panel unit U1 and U2.Under the state of described closure, but the first and second temperature cross the detection range that rises anti-locking apparatus 8 and 8a and can utilize, so but that detection range becomes the transverse width of framework 1 is all.Therefore, when the part on the top of framework 1 was inaccessible, the first and second temperature were crossed any one action that rises anti-locking apparatus 8 and 8a, can prevent that framework 1 is heated to abnormal high temperature.
According to present embodiment, the radiating opening 4 of 2 frameworks 1 can be towards direction arbitrarily in the scope of the expanded angle that linkage 7 allows.Therefore, if the angle of 2 frameworks 1 of the first and second panel unit U1 and U2 is narrowed down, radiating opening 4 Local Phases pair focus on the place aheads of 2 frameworks 1 from the hot line of each radiating opening 4 radiation, although so the radiation scope of hot line narrows down, also can improve heating effect.By the radiation scope according to service condition change hot line, can improve and use randomness.
In addition, when not using electric panel heater and when keeping, if become the state of closed the first and second panel unit U1 and U2, just do not account for the place, easily keeping.
In the use of electric panel heater, if the top of framework 1 is covered and dead air flow export 10 by article such as towels, just become the hot gas of not discharging in framework 1, become abnormal high temperature in framework 1, if continue like this energising of planar heat producing body 5, just become the reason of the fault of the distortion of framework 1 or goods, might towel etc. article catch fire, produce the great problems such as fire incident.
It is in the situation of deployed condition that Fig. 6 is illustrated in 2 frameworks 1 that make the first and second panel unit U1 and U2, an example of the state of the variations in temperature in the framework 1 when becoming closure state.If the top of framework 1 is inaccessible, the temperature in framework 1 just begins to rise.Temperature in framework 1 becomes the first or second temperature and crosses the operating temperature that rises anti-locking apparatus 8 and 8a, rises anti-locking apparatus 8 and 8a action if the first or second temperature is crossed, and just stops the energising of planar heat producing body 5.Becoming the first or second temperature from the temperature in framework 1 crosses the operating temperature that rises anti-locking apparatus 8 and 8a stops to the energising of planar heat producing body 5, temperature in framework 1 also rises, the energising of planar heat producing body 5 stops rear temperature and also rises, so the operating temperature that the temperature in framework 1 is crossed the anti-locking apparatus 8 of liter and 8a than the first and second temperature is higher.
In addition, compare when using under the state that launches framework 1 when using 2 frameworks 1 of the first and second panel unit U1 and U2 under closure state, temperature in framework 1 is higher, when top is inaccessible, temperature in framework 1 rises fast, temperature ascensional range after the energising of planar heat producing body 5 stops increases, so be necessary that as far as possible temperature being crossed the operating temperature that rises anti-locking apparatus 8 and 8a sets lowly, even exist the temperature after the energising of planar heat producing body 5 stops to rise, also can be reliably stop in the temperature of safety.In addition, the temperature ascensional range since the first and second temperature are crossed the anti-locking apparatus 8 of liter and 8a action in framework 1, larger under closure state, the temperature in the framework 1 after the energising of planar heat producing body 5 stops is also higher.
Therefore, temperature rising part after the energising that is necessary to consider planar heat producing body 5 stops and set the first and second temperature and cross the operating temperature that rises anti-locking apparatus 8 and 8a, in addition, temperature conditions when being necessary 2 frameworks 1 of the first and second panel unit U1 and U2 are become closure state is set as benchmark.
On the other hand, be necessary the first and second temperature are crossed and rise the position that anti-locking apparatus 8 and 8a are arranged on the abnormal high temperature in can reliable detection framework 1.This installation site also might become the position of the impact that easily is subjected to hot gas under common use state.Especially become closure state and when using electric panel heater in 2 frameworks 1 with the first and second panel unit U1 and U2, compare during with use under deployed condition, temperature in framework 1 is higher, the difference that temperature in the framework 1 of common use state and the first and second temperature are crossed the operating temperature that rises anti-locking apparatus 8 and 8a diminishes, and improves so temperature is crossed the possibility that rises anti-locking apparatus 8 and 8a generation misoperation.
In the embodiment of Fig. 2, the air that flows into air flow circuits 11 from the air inflow aperture 9 of framework 1 bottom is shunted forwards, backwards in the bottom that hides hot member 2, hide the heat that the air flow circuit 11 between hot member 2 and framework 1 back wall has blocked planar heat producing body 5 due to the hot member 2 of quilt screening, so flow through the air than lower temperature.Therefore, the first and second temperature are crossed risen anti-locking apparatus 8 and 8a is arranged on the upper rear portion that hides hot member 2, be configured in the air flow circuit 11 that hides between hot member 2 and framework 1 back wall.
The end 2a that hides the top of hot member 2 becomes the hot top board of screening that forms in the upper end that hides hot member 2.Become the end 2a that hides hot top board, cross than the first and second temperature rise anti-locking apparatus 8 and 8a the installation site more above, tilt to the front face side of framework 1.By the hot member 2 of screening of planar heat producing body 5 heating and the high temperature air of the air flow circuit 11 between radiating opening 4, the end 2a of the hot top board of screening by becoming the top that hides hot member 2 rises to air outflow port 10 from the top of end 2a once towards front one side of framework 1.The air of the low temperature that comes flows to air outflow port 10 from the upper wall that hides hot member 2a and hiding that air flow circuit 11 between hot member 2 and framework 1 back side rises.Therefore, the high temperature air in framework 1 is not crossed to temperature and is risen anti-locking apparatus 8 and 8a flows, can temperature cross rise anti-locking apparatus 8 and 8a around maintain low temperature.Therefore, when using 2 frameworks 1 of the first and second panel unit U1 and U2 under closure state, under common use state, temperature is crossed the anti-locking apparatus 8 of liter and misoperation does not occur 8a.In addition, can cross the operating temperature that rises anti-locking apparatus 8 and 8a to temperature sets lowly.
In addition, if the top of framework 1 is inaccessible, just do not emit high temperature air from the top at air outflow port 10 or interval 12, make the temperature in framework 1 increase, the high temperature air that the top at the top in framework 1 or interval 12 stops flowing flows to the upper rear portion that hides hot member 2 from the gap of the end 2a of air outflow port 10 and the hot top board of formation screening.As a result, the temperature that is arranged on the upper rear portion that hides hot member 2 is crossed and is risen anti-locking apparatus 8 and 8a can move due to high temperature air, thereby stops the energising of planar heat producing body 5, and can prevent reliably the abnormal high temperature of framework 1.
In addition, control substrate 14 thermo-labile, if temperature raises, just easily break down, so be necessary to protect it to avoid the impact of the high temperature air in framework 1.In the present embodiment, as shown in Figure 1, at a pair of guidance panel 13 of sidewall configuration of the side opposite to linkage 7 of framework 1, and form to the side of framework 1 outstanding.Space 13c shown in Figure 1, be form in the inside of guidance panel 13, with the interior space of distinguishing mutually (district's picture) of framework 1, control substrate 14 and be arranged in the interior space 13c of guidance panel 13.
If become such structure, when the first and second panel unit U1 and U2 became closure state, guidance panel 13 was also outstanding to the side of the framework 1 of the first panel unit U1.Therefore, can not hidden by the hidden guidance panel 13 that framework 1 at the second panel unit U2 is arranged of the framework 1 of the first panel unit U1.Therefore, become possibility based on the running operation of operating portion 13a with based on the confirmation of the operating condition of display part 13b.In addition, do not gone to the space 13c of guidance panel 13 by the high temperature air in the framework 1 of planar heat producing body 5 heating, can maintain low temperature to the control substrate 14 of installing on the 13c of the space of guidance panel 13.
In addition, in the present embodiment, in the framework 1 of the second panel unit U2 that forms guidance panel 13, the configuration temperature is crossed and is risen anti-locking apparatus 8a near the sidewall of a side opposite to linkage 7.Therefore, become temperature and cross the structure that the anti-locking apparatus 8a of liter detects near the temperature the guidance panel 13 on framework 1 top, so because of framework 1 top obturation, when near the temperature guidance panel 13 rises, temperature can be crossed the anti-locking apparatus 8a of liter and move reliably, prevents abnormal high temperature.Therefore, when framework 1 top is inaccessible, can prevent that also the temperature of the space 13c of guidance panel 13 from rising, can control substrate 14 from the high temperature air protection reliably, can prevent the generation of fault.
As present embodiment, cross by determining temperature the installation site that rises anti-locking apparatus 8 and 8a, the temperature that minimal number just can be set is crossed the anti-locking apparatus 8 of liter and 8a, can reduce the part number, can reduce manufacturing cost.
Industrial utilizability
Electric panel heater of the present invention, and establish 2 the first and second panel unit U1 that have planar heat producing body 5 in inside and be connected framework 1 and connect 2 frameworks 1 with linkage 7 with U2, can change the direction of radiating opening 4 courts centered by linkage 7, during the use of warming machine, launch 2 frameworks 1, radiating opening 4 becomes the state of opening, from and the radiating opening 4 radiation hot lines of 2 frameworks 1 of establishing, so can be to the scope heating in the place ahead of framework 1.And when using warming machine under closure state, the radiating opening 4 of 2 frameworks 1 is relative, and the heat of planar heat producing body 5 is emitted to the top of framework 1, can carry out the heating based on free convection.
In addition, have to cross for detection of the first and second temperature of the abnormal high temperature in framework 1 in 2 frameworks 1 of the first and second panel unit U1 and U2 and rise anti-locking apparatus 8 and 8a, the first temperature in the framework 1 of the first panel unit U1 is crossed the anti-locking apparatus 8 of liter and is configured near the sidewall of linkage 7 one sides, and the second temperature in the framework 1 of the second panel unit U2 is crossed the anti-locking apparatus 8a of liter and is configured near the sidewall of a side opposite to linkage 7.Therefore, when using under launching the state of 2 frameworks 1, the first and second temperature are crossed and are risen the abnormal high temperature that anti-locking apparatus 8 and 8a detect each framework 1.And when using 2 frameworks 1 under closure state, the first and second temperature cross rise anti-locking apparatus 8 and 8a respectively with the opposing party's framework 1 not have temperature to cross the radiating opening 4 of a side that rises anti-locking apparatus 8 and 8a relative.Therefore, if the top of framework 1 is inaccessible, the temperature in relative 2 frameworks 1 rises, and temperature is crossed the anti-locking apparatus 8 of liter and risen with the temperature that 8a also can detect relative framework 1, detects reliably the abnormal high temperature of framework 1.

Claims (6)

1. an electric panel heater, is characterized in that,
Comprise:
The first panel unit (U1), it has: have in front the hollow of radiating opening (4) framework (1), cover described radiating opening (4) protector (3), be arranged on the inside of described framework (1) so as to make planar heat producing body (5) from described radiating opening (4) heat radiation, in the inside of described framework (1) and at the hot member of screening (2) of the rear of described planar heat producing body (5) configuration;
The second panel unit (U2), it has: have in front the hollow of radiating opening (4) framework (1), cover described radiating opening (4) protector (3), be arranged on the inside of described framework (1) so as to make planar heat producing body (5) from described radiating opening (4) heat radiation, in the inside of described framework (1) and at the hot member of screening (2) of the rear of described planar heat producing body (5) configuration;
linkage (7), it is with between the transversely arranged deployed condition of the described radiating opening (4) of the described radiating opening (4) of the closure state faced mutually at the described radiating opening (4) of the described radiating opening (4) of described the first panel unit (U1) and described the second panel unit (U2) and described the first panel unit (U1) and described the second panel unit (U2), the mode of the expanded angle between the described framework (1) of energy described the first panel unit of change (U1) and the described framework (1) of described the second panel unit (U2), connect the described framework (1) of described the first panel unit (U1) and the described framework (1) of described the second panel unit (U2),
In upper space in the described framework (1) of described the first panel unit (U1), in the position near the sidewall that is provided with described linkage of described framework (1), setting just stops crossing liter anti-locking apparatus (8) to the first temperature of the power supply of described planar heat producing body (5) when abnormal temperature rising being detected
In upper space in the described framework (1) of described the second panel unit (U2), near the position that is positioned at the sidewall of the opposite side of the sidewall that is provided with described linkage of described framework (1), abnormal temperature detected and rise just to stop crossing to the second temperature of the power supply of planar heat producing body (5) and rise an anti-locking apparatus (8a) if arrange
Described the first temperature is crossed and is risen anti-locking apparatus (8), under described closure state, the interior temperature of described framework (1) that not only can detect described the first panel unit (U1) rises, the interior temperature of described framework (1) that can also detect described the second panel unit (U2) rises
Described the second temperature is crossed and is risen anti-locking apparatus (8a) under described closure state, the interior temperature of described framework (1) that not only can detect described the second panel unit (U2) rises, and the interior temperature of described framework (1) that can also detect described the first panel unit (U1) rises.
2. electric panel heater according to claim 1, is characterized in that,
In the described framework (1) of described the first panel unit (U1) and the described framework (1) of described the second panel unit (U2), the lower margin (6) that described framework (1) is left from ground is set respectively;
Diapire in the described framework (1) separately of described the first panel unit (U1) and described the second panel unit (U2) arranges air inflow aperture (9), air flows between this air inflow aperture (9) and described ground, at the upper wall of described framework (1), air outflow port (10) is set;
Form the air flow circuit (11) that is communicated with described air inflow aperture (9) and described air outflow port (10) in the described framework (1) separately of described the first panel unit (U1) and described the second panel unit (U2);
Described the first temperature is crossed and is risen anti-locking apparatus (8) and described the second temperature and cross in described air flow circuit (11) between the back wall that liter anti-locking apparatus (8a) is configured in respectively the hot member of described screening (2) separately of described the first panel unit (U1) and described the second panel unit (U2) and described framework (1).
3. electric panel heater according to claim 2, is characterized in that,
Described the first temperature is crossed and is risen anti-locking apparatus (8) and described the second temperature and cross the opposite face of facing mutually with described back wall that liter anti-locking apparatus (8a) is separately fixed at the hot member of described screening (2) separately of described the first panel unit (U1) and described the second panel unit (U2).
4. electric panel heater according to claim 3, is characterized in that,
The end (2a) of described air outflow port (10) side of the hot member of described screening (2) separately of described the first panel unit (U1) and described the second panel unit (U2) tilts for along with near described air outflow port (10), from the back wall of described framework (1) away from.
5. electric panel heater according to claim 2, is characterized in that,
Under described closure state, form the interval (12) that air flows through between the described framework (1) of the described framework (1) of described the first panel unit (U1) and described the second panel unit (U2).
6. electric panel heater according to claim 2, is characterized in that,
Be positioned at described sidewall described the second panel unit (U2) and the opposite side of described sidewall that is provided with linkage described framework (1), arranging to the outstanding guidance panel (13) of the direction of leaving from described framework (1);
Be provided for operating the operating portion (13a) of running and the display part (13b) of demonstration operating condition in the front of described guidance panel (13), and, substrate (14) controlled in the internal configurations of described guidance panel (13);
Under described closure state, described guidance panel (13) has the size of exposing in the side of described the first panel unit;
Described the second temperature is crossed the anti-locking apparatus of liter (8a) and is set to also can detect near the temperature rising of described guidance panel (13).
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