CN111524455A - Fire display device and heating appliance - Google Patents
Fire display device and heating appliance Download PDFInfo
- Publication number
- CN111524455A CN111524455A CN201910043040.7A CN201910043040A CN111524455A CN 111524455 A CN111524455 A CN 111524455A CN 201910043040 A CN201910043040 A CN 201910043040A CN 111524455 A CN111524455 A CN 111524455A
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- China
- Prior art keywords
- light
- heating appliance
- display panel
- fire
- circuit board
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/081—Arrangement or mounting of control or safety devices on stoves
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- 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
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
Abstract
The invention discloses a fire power display device and a heating appliance, wherein the fire power display device comprises: the display panel is arranged on the shell of the heating appliance and is provided with a light transmitting area, and the light transmitting area is provided with a light transmitting plate; the light-emitting component is arranged in the shell of the heating appliance corresponding to the light-transmitting area and comprises a circuit board and a plurality of light-emitting bodies arranged on the circuit board, and the light-emitting bodies are arranged at intervals; and the trigger circuit is used for controlling the turn-on of the corresponding number of the luminous bodies according to the power of the heating appliance so as to make the number of the turned-on luminous bodies and the power of the heating appliance linearly related. The fire power display device can improve the actual flame effect which is conjectured by a user from visual information, so that the user can know the fire power more intuitively and truly, and the cost is lower.
Description
Technical Field
The invention relates to the field of heating stoves, in particular to a fire power display device and a heating appliance.
Background
The fire display of the traditional heating appliances such as electromagnetic ovens, microwave ovens, electric fireplaces, gas water heaters and the like is mainly represented by an electronic display screen or by word descriptions such as small fire, medium fire, big fire and the like and corresponding indicator lamps. The two fire display modes have higher production cost and abstract fire representation, so that customers cannot visually and accurately know the actual fire, and the overall convenience of the heating appliance is reduced.
Disclosure of Invention
The invention mainly aims to provide a fire power display device and aims to solve the technical problem of improving the overall convenience of a heating appliance.
In order to achieve the above object, a thermal power display device according to the present invention is applied to a heating appliance, and includes:
the display panel is arranged on the shell of the heating appliance and is provided with a light transmitting area, and the light transmitting area is provided with a light transmitting plate;
the light-emitting assembly is arranged in the shell of the heating appliance corresponding to the light-transmitting area and comprises a circuit board and a plurality of light-emitting bodies arranged on the circuit board, and the light-emitting bodies are arranged at intervals; and
the trigger circuit is used for controlling the corresponding number of the luminous bodies to be turned on according to the power of the heating appliance, so that the number of the turned-on luminous bodies is linearly related to the power of the heating appliance.
Preferably, a central axis of the light emitter is inclined toward the display panel.
Preferably, the circuit board is disposed perpendicular to the display panel.
Preferably, the light emitting assembly further includes a supporting leg connecting the circuit board and the light emitting body, and one end of the supporting leg adjacent to the light emitting body is bent toward the display panel.
Preferably, an included angle between a central axis of the light emitter and the display panel is greater than 45 ° and less than 90 °.
Preferably, the free ends of a plurality of the luminous bodies are arranged in a flush manner.
Preferably, the distance between the light emitting assembly and the display panel is greater than 5mm and less than 55 mm.
Preferably, the light-transmitting plate has a light-transmitting ring corresponding to each of the light-emitting bodies, and a projection of each of the light-emitting bodies on the display panel is located in the light-transmitting ring.
Preferably, the fire power display device further comprises a control circuit, and the control circuit is used for controlling the light emitting body to change from dark to light, from light to dark, or from light to dark and from dark to light in a cycling mode.
Preferably, the control circuit is used for controlling the brightness of the light-emitting body by controlling the voltage of the circuit board, and the circuit board voltage controlled by the control circuit is greater than or equal to 0.3 volt and less than or equal to 5 volts.
The present invention also provides a heating appliance including a fire power display device, the fire power display device including: the display panel is arranged on the shell of the heating appliance and is provided with a light transmitting area, and the light transmitting area is provided with a light transmitting plate; the light-emitting component is arranged in the shell of the heating appliance corresponding to the light-transmitting area; the light-emitting component comprises a circuit board and a plurality of light-emitting bodies arranged on the circuit board, and the light-emitting bodies are arranged at intervals; and the trigger circuit is used for controlling the turn-on of the corresponding number of the luminous bodies according to the power of the heating appliance, so that the number of the turned-on luminous bodies is linearly related to the power of the heating appliance.
According to the fire power display device, the light emitting component is arranged at the position, corresponding to the light transmitting area, on the inner side of the display panel, the light transmitting plate is arranged in the light transmitting area, after the heating appliance works, the controller controls the light emitting component to be started, light rays of the light emitting component are projected to the light transmitting plate to form the visible illumination area, a user can visually know the fire power of the heating appliance through the number, the area or the light intensity of the illumination area, and the actual flame effect which is conjectured by the user from visual information can be improved due to the fact that the illumination area is closer to the flame effect than an electronic display screen or a character description, so that the user can more visually know the fire power, truly and has lower cost. In addition, the number of the started luminous bodies is positively correlated with the power or the gear of the heating appliance through the trigger circuit, so that a user can know the power change process of the heating appliance more intuitively.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a fire display apparatus according to an embodiment of the present invention;
fig. 2 is a side view of an embodiment of a fire display apparatus according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
20 | Light-transmitting |
21 | Light-transmitting ring |
| 30 | |
31 | |
32 | |
| 33 | Supporting foot |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a fire display device which is applied to heating appliances, wherein the heating appliances can be an electromagnetic oven, a microwave oven, an electric fireplace, a water heater, a gas stove and the like.
In the embodiment of the present invention, as shown in fig. 1 and 2, the fire power display apparatus includes:
the display panel 10 is installed on the shell of the heating appliance, the display panel 10 is provided with a light-transmitting area, and the light-transmitting area is provided with a light-transmitting plate 20;
the light-emitting assembly 30 is arranged in the shell of the heating appliance corresponding to the light-transmitting area, and comprises a circuit board and a plurality of light-emitting bodies arranged on the circuit board, wherein the light-emitting bodies are arranged at intervals; and
the trigger circuit is used for controlling the corresponding number of the luminous bodies to be turned on according to the power of the heating appliance, so that the number of the turned-on luminous bodies is linearly related to the power of the heating appliance.
In the present embodiment, the front side of the display panel 10 is regarded as the side visible to the user, and the back side of the display panel 10 belongs to the housing of the heating appliance. The light-transmitting plate 20 covers the light-transmitting area, and the light-transmitting plate 20 is made of a light-transmitting material, such as ground glass, ABS plastic or PC material. The light generated by the light emitting assembly 30 after being turned on is projected to the back surface of the light-transmitting plate 20, and a user can see the illumination area formed by the light on the back surface of the light-transmitting plate 20 from the front surface of the light-transmitting plate 20. The light emitting device 30 may be a lamp socket and a bulb disposed on the lamp socket, or a circuit board 31 and a light emitting body 32 disposed on the circuit board 31. The trigger circuit controls the number of the light emitters 32 to be turned on according to the power of the heating appliance, so that the user can judge the change of the firepower through the change of the illumination projection. For example, the trigger circuit switches on the current of the corresponding magnitude according to the power of the heating appliance, and then switches on the corresponding number of the light emitters 32 according to the switched-on current magnitude. Compared with a firepower display mode of an electronic display screen, the illumination projection of the light-emitting component 30 has a simpler structure and lower power consumption, and can effectively reduce the overall production cost of the heating appliance; and the illumination projection of the light emitting component 30 is more vivid and visual in display effect than the display mode of the text indication instruction, so that the user can know the firepower more simply and directly, and the overall convenience of the heating appliance is improved.
In other embodiments, the light-transmitting region may be directly formed by a light-transmitting hole opened in the display panel 10; in the embodiment, the light-transmitting plate 20 is disposed in the light-transmitting area, and the light-transmitting plate 20 can prevent dust, water vapor or oil smoke from entering the housing of the heating device to protect the heating device; in addition, the light of the light emitting assembly 30 is projected on the light transmission plate 20, so that the light is more soft, and the projection effect is closer to the shape of flames, thereby improving the visual comfort of users.
The circuit board 31 can extend longitudinally or transversely, and the light emitters 32 are arranged at intervals along the length direction of the circuit board 31. Under the control of the trigger circuit, the number of the light emitters 32 that are turned on is positively correlated with the power or the gear of the heating appliance, for example, the number of the light emitters 32 is 5, the gear of the heating appliance is also 5, and the number of the light emitters 32 that are turned on is the same as the gear. It is understood that, in order to make the turn-on sequence of the light emitters 32 conform to the habit of reading information visually by human body, the turn-on sequence of the plurality of light emitters 32 is generally set from one end to the other end along the arrangement direction, for example, the light emitter 32 turned on first is the light emitter 32 located at the leftmost side or the lowest side, and the light emitter 32 turned on last is the light emitter 32 located at the rightmost side or the uppermost side.
In practical application, an adjusting knob or an adjusting button for adjusting the power or the gear of the heating appliance is further arranged on the display panel 10, the adjusting button is electrically connected with the trigger circuit, the adjusting button sends a firepower change signal to the trigger circuit while adjusting the power of the heating appliance, and the trigger circuit synchronously controls the number of the luminous bodies 32 to be turned on according to the signal, so that firepower display can be synchronously changed while firepower is changed, the time difference between the actual firepower change and the firepower display change is reduced, and the firepower display device can more truly and accurately reflect the actual firepower.
According to the fire power display device, the light emitting component 30 is arranged at the position, corresponding to the light transmitting area, on the inner side of the display panel 10, the light transmitting plate 20 is arranged in the light transmitting area, after the heating appliance works, the trigger circuit controls the light emitting component 30 to be started, light rays of the light emitting component 30 are projected to the light transmitting plate 20 to form the visible illumination area, a user can intuitively know the fire power of the heating appliance through the number, the area or the light intensity of the illumination area, and the actual flame effect of the user associated with visual information can be improved due to the fact that the illumination area is closer to the flame effect than an electronic display screen or a text description, so that the user can more intuitively and truly know the fire power and the cost is lower. In addition, the number of the started luminous bodies is positively correlated with the power or the gear of the heating appliance through the trigger circuit, so that a user can know the power change process of the heating appliance more intuitively.
Further, as shown in fig. 1 and 2, the central axis of the light emitter 32 is inclined toward the display panel 10. In one embodiment, the central axis of the light emitter 32 is perpendicular to the circuit board 31, and the circuit board 31 is inclined toward the display panel 10, so that the central axis of the light emitter 32 is inclined toward the display panel 10. Of course, the circuit board 31 may also be disposed perpendicular to the display panel 10, the light emitter 32 may be connected to the circuit board through a supporting leg 33, an extending direction of the supporting leg 33 is the same as an extending direction of a central axis of the light emitter 32, and the supporting leg 33 may be integrally inclined to the display panel 10, so that the central axis of the light emitter 32 is inclined toward the display panel 10.
In the embodiment, the light emitter 32 is plugged into the circuit board 31 through the supporting legs 33, the circuit board 31 extends along the length direction of the display panel 10, and the width direction of the circuit board 31 is perpendicular to the display panel 10, so that the circuit board 31 is disposed perpendicular to the display panel 10. One end of the supporting leg 33 near the light emitter 32 is bent toward the display panel 10, so that the central axis of the light emitter 32 is inclined toward the display panel 10. The circuit board 31 is arranged perpendicular to the display panel 10, so that the circuit board 31 can be more compactly and stably mounted in the heating device shell, only one end of the supporting leg 33 is bent towards the display panel 10, and the supporting leg 10 and the circuit board 31 can be more stably connected, so that the overall stability of the fire power display device is improved.
It can be understood that the overall shape of the light emitter 32 is preferably in a shape of a dome cylinder, and the projection shape of the light emitter 32 in the light transmission region after being turned on changes with the change of the inclination angle of the central axis of the light emitter 32, and the central axis of the light emitter 32 is inclined toward the display panel 10, so that the projection shape of the turned-on light emitter 32 on the display panel 10 is closer to the flame shape, and the projection size is more reasonable.
Further, an included angle between the central axis of the light emitter 32 and the display panel 10 is greater than 45 ° and less than 90 °. In this embodiment, an included angle between a central axis of the light emitter 32 and a plane perpendicular to the display panel 10 is also 45 ° to 90 °, if the central axis of the light emitter 32 is parallel to the display panel 10, a projection of the turned-on light emitter 32 on the display panel 10 is a side projection of the light emitter 32, at this time, the projection size is largest, light is most dispersed, and the overall brightness is low; if the central axis of the light emitter 32 is perpendicular to the display panel 10, the projection of the turned-on light emitter 32 on the display panel 10 is circular, and at this time, the projection size is the smallest, the light is the most concentrated, and the brightness is higher. Therefore, the included angle between the central axis of the illuminant 32 and the display panel 10 is set to be larger than 45 degrees and smaller than 90 degrees, the projection of the turned-on illuminant 32 on the display panel 10 can be controlled to be in the relatively optimal shape and size, the phenomenon that the size is too large and the brightness is too low can be avoided, and the phenomenon that the size is too small and is inconvenient to see clearly can be avoided, so that the reading comfort degree of the user on the displayed illumination projection is improved.
Further, as shown in fig. 1, the free ends of the plurality of the light emitters 32 are flush. In the present embodiment, the free ends of each of the light emitters 32 are located at the same height, and the central axis of each of the light emitters 32 is inclined toward the display panel 10 at the same angle, so that the illumination projections of the plurality of turned-on light emitters 32 on the display panel 10 are arranged at intervals along the length direction of the display panel 10, and the illumination projections of each of the turned-on light emitters 32 on the display panel 10 have the same shape and size, so that under the same other conditions, the brightness of each illumination projection tends to be the same, so that the overall display effect of the fire display device is more reasonable and ordered.
Further, the distance between the light emitting assembly 30 and the display panel 10 is greater than 5mm and less than 55 mm. In the present embodiment, the distance between the light emitting device 30 and the display panel 10, specifically the distance between the light emitting device 32 and the display panel 10, affects the size and brightness of the light projection of the turned-on light emitting device 32 on the display panel 10, so that the distance between the light emitting device 30 and the display panel 10 is set to be 5mm to 55mm, and the size and brightness of the light projection can be controlled within a relatively better range, so as to improve the display effect of the fire power display device.
In practical applications, the longest dimension L of the illumination projection of the light-emitting illuminant 32 on the display panel 10 is related to the axial dimension of the illuminant 32 itself, and is also related to the included angle α between the central axis of the illuminant 32 and the display panel 10, and the distance D between the illuminant 32 and the display panel 10, so that setting α to be 0 to 90 ° and setting D to be 5mm to 55mm can effectively control the size of L, so as to control the shape and the size of the illumination projection in the optimal range.
Further, as shown in fig. 1, the light-transmitting plate 20 has a light-transmitting aperture 21 corresponding to each of the light-emitting bodies 32, and a projection of each of the light-emitting bodies 32 on the display panel 10 is located in the light-transmitting aperture 21. In the embodiment, since the light of the light-emitting bodies 32 is scattered, the illumination projection of the turned-on light-emitting bodies 32 on the light-transmitting plate 20 is also scattered, if the illumination projection areas of the light-emitting bodies 32 on the light-transmitting plate 20 are connected, the illumination projections of the adjacent light-emitting bodies 32 on the light-transmitting plate 20 are mutually influenced, so that it is difficult for a user to correctly identify whether the illumination projection exists at the corresponding position, and the light-transmitting ring 21 can separate the illumination projection areas of the adjacent light-emitting bodies 32, so that the illumination projections of the light-emitting bodies 32 are not mutually influenced, thereby truly reflecting the fire power of the heating appliance, and facilitating the observation of the user.
Further, the fire power display device further includes a control circuit for controlling the light emitter 32 to change from dark to light, from light to dark, or from light to dark, from dark to light cyclically. In this embodiment, after the light emitter 32 is turned on, the maximum brightness may be reached instantly, and then the maximum brightness gradually changes to the minimum brightness; or the brightness may be the lowest brightness and then gradually changed to the maximum brightness. The light brightness of the light-emitting body 32 is the gradual change setting of the breathing lamp, so that the illumination projection of the light-emitting body 32 on the light-transmitting plate 20 is closer to the state of flame jumping, and meanwhile, the dynamic display of the illumination projection is convenient for customers to judge whether the illumination projection at the corresponding position is normal, and the display effect of the fire display device is further improved.
Further, the control circuit is used for controlling the brightness of the light 32 by controlling the voltage of the circuit board 31, and the voltage of the circuit board 31 controlled by the control circuit is greater than or equal to 0.3 volt and less than or equal to 5 volts. In the present embodiment, the light emitter 32 is an LED lamp, the light emitting color of the light emitter 32 is preferably red, and the parameters of the optoelectronic characteristics of the light emitter 32 can be referred to the following table:
as can be seen from the above table, the rated forward voltage of the light emitter 32 is 1.8 to 2.3 volts, the rated main wavelength is 620nm to 625nm, the rated reverse current is at most 10 microamps, the rated central light intensity is 2000mcd to 3000mcd, the rated light intensity is 0.8lm to 0.9lm, and the rated half-power angle is 20 ° to 25 °. By combining the photoelectric characteristic parameters of the illuminant 32, the voltage supplied to the illuminant 32 is controlled between 0.3 volt and 5 volt, or the current supplied to the illuminant 22 is controlled between 40 milliampere and 4 milliampere, so that the maximum brightness and the minimum brightness of the illuminant 32 in the brightness gradient process can be effectively controlled, the identification degree of the illumination projection of the illuminant 32 in the gradient process is improved, and the display effect of the fire power display device is improved.
The present invention further provides a heating appliance, which includes a fire power display device, the specific structure of the fire power display device refers to the above embodiments, and since the heating appliance adopts all the technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (11)
1. A fire power display device applied to a heating appliance, characterized by comprising:
the display panel is arranged on the shell of the heating appliance and is provided with a light transmitting area, and the light transmitting area is provided with a light transmitting plate;
the light-emitting component is arranged in the shell of the heating appliance corresponding to the light-transmitting area; the light-emitting component comprises a circuit board and a plurality of light-emitting bodies arranged on the circuit board, and the light-emitting bodies are arranged at intervals; and
the trigger circuit is used for controlling the corresponding number of the luminous bodies to be turned on according to the power of the heating appliance, so that the number of the turned-on luminous bodies is linearly related to the power of the heating appliance.
2. The fire display apparatus of claim 1, wherein a central axis of the light emitter is inclined toward the display panel.
3. The fire display apparatus of claim 2, wherein the circuit board is disposed perpendicular to the display panel.
4. The fire display apparatus of claim 3, wherein the light emitting assembly further comprises a support leg connecting the circuit board and the light emitter, and an end of the support leg adjacent to the light emitter is bent toward the display panel.
5. The fire display apparatus of claim 2, wherein a central axis of the light emitter is angled more than 45 ° and less than 90 ° from the display panel.
6. The fire display apparatus of any one of claims 1 to 5, wherein the free ends of the plurality of light emitters are arranged flush.
7. The fire display apparatus of claim 1, wherein the light emitting elements are spaced from the display panel by a distance greater than 5mm and less than 55 mm.
8. The fire display device of claim 1, wherein the light-transmissive plate has a light-transmissive ring corresponding to each of the light-emitting bodies, and a projection of each of the light-emitting bodies on the display panel is located within the light-transmissive ring.
9. The fire display apparatus of claim 1, further comprising a control circuit configured to control the light emitter to cycle from dark to light, light to dark, or light to dark, dark to light.
10. The fire display apparatus of claim 9, wherein the control circuit is configured to control the brightness of the light emitter by controlling a voltage of the circuit board, and the circuit board voltage controlled by the control circuit is greater than or equal to 0.3 volts and less than or equal to 5 volts.
11. A heating appliance comprising the fire display device according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910043040.7A CN111524455A (en) | 2019-01-16 | 2019-01-16 | Fire display device and heating appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910043040.7A CN111524455A (en) | 2019-01-16 | 2019-01-16 | Fire display device and heating appliance |
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| CN111524455A true CN111524455A (en) | 2020-08-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432155A (en) * | 2021-06-25 | 2021-09-24 | 广东超人节能厨卫电器有限公司 | Firepower aperture display device and firepower aperture display method |
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| CN209183157U (en) * | 2019-01-16 | 2019-07-30 | 芜湖美的厨卫电器制造有限公司 | Firepower displaying device and heating utensil |
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| CN113432155A (en) * | 2021-06-25 | 2021-09-24 | 广东超人节能厨卫电器有限公司 | Firepower aperture display device and firepower aperture display method |
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