Oven with lighting function

Abstract

The oven with the lighting function comprises an inner container and a lighting lamp which is located in the inner container and arranged at the top of the inner container, a lampshade which extends front and back and is provided with a downward opening is horizontally arranged in the center of the top of the inner container, and the lighting lamp is in a long strip shape and is arranged on the inner top face of the lampshade in the length direction. A bottom cover opening of the lampshade forms an illumination opening for emitting illumination light, the illumination opening extends front and back and is vertically opposite to the illumination lamp, the size of the cross section of the lampshade is uniform and unchanged from front to back, the middle of the cross section in the vertical direction is the widest position, and the width of the middle of the cross section is gradually reduced from the widest position to the upper end and the lower end. And the inner surface of the lampshade is a reflecting surface capable of reflecting illuminating light rays emitted by the illuminating lamp. Oil stains attached to the surface of the illuminating lamp can be reduced, an illuminating bright area (corresponding to the position where food is located) and an illuminating dark area can be formed in the inner cavity of the inner container, and the illuminating effect on the food is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of cooking devices, in particular to an oven with a lighting function. Background Art

[0002] An oven is a cooking device that mainly uses radiant heat to bake food. To facilitate observing the baking situation of food (such as the coloring of food, etc.), a lighting device is generally configured on the oven. In traditional ovens, the lighting device is generally arranged on the left and right sides or one side of the inner cavity. For example, the Chinese utility model patent "A Cooking Inner Cavity Assembly and Cooking Equipment" with the patent number ZL202222583374.3 (the authorized publication number is CN218474458U), the patent number ZL202120527405.6 (the authorized publication number is CN215502550U), etc., and the Chinese invention patent "A Modular Baking and Steaming Oven" with the application number CN202110198877.6 (the publication number is CN112914355A), etc.

[0003] However, when the lighting device is arranged on the side of the inner cavity, the lighting range of the lighting device is narrow, and there are lighting dead angles. To solve this problem, in the prior art, the lighting device is arranged on the top of the inner cavity. For example, the patent number is ZL201920167626.X (the authorized publication number is CN209932464U). By arranging the lighting device inside the inner cavity, the irradiation range of the lighting device can be expanded. However, during the baking process, the oil juice splashes, and the oil stain will adhere to the surface of the lighting device, affecting the lighting effect of the lighting device. Summary of the Invention

[0004] The first technical problem to be solved by the utility model is to provide an oven with a lighting function that can reduce the adhesion of oil stains in view of the prior art.

[0005] The second technical problem to be solved by the utility model is to provide an oven with a lighting function that has a good irradiation effect on food in view of the prior art.

[0006] The technical solution adopted by the utility model to solve at least one of the above technical problems is: an oven with a lighting function, including an inner cavity and a lighting lamp located in the inner cavity and arranged on the top of the inner cavity. It is characterized in that a lamp shade extending horizontally in the front and back directions and opening downward is arranged at the center of the top of the inner cavity. The outer shape of the lighting lamp is strip-shaped and is arranged on the inner top surface of the lamp shade along the length direction. The bottom opening of the lamp shade constitutes a lighting opening for the emitted lighting light. The lighting opening extends in the front and back directions and is vertically opposite to the above lighting lamp.

[0007] Moreover, the cross-sectional size of the above-mentioned lampshade remains uniform from front to back. In the cross-section of the lampshade, the middle part in the up-and-down direction is the widest, and it gradually decreases from the widest part towards the upper and lower ends. The inner surface of the lampshade is a reflecting surface that can reflect the illumination light emitted by the illuminating lamp.

[0008] Furthermore, in the cross-section of the lampshade, the widest part and the illumination opening are respectively connected by arc segments on the left and right sides, and the widest part and the top end are respectively connected by inclined line segments on the left and right sides. Moreover, the top of the lampshade is recessed upwards along the length direction to form an installation groove for installing the above-mentioned illuminating lamp. On the one hand, this can further reduce the oil droplets sputtered onto the illuminating lamp, and on the other hand, it can improve the reflection effect of the reflecting surface on the illumination light, thereby further enhancing the illumination effect on the food.

[0009] Furthermore, the cross-section of the lampshade is symmetric about the left and right. Thus, the illumination light emitted from the lampshade can be regularly distributed in the inner container, improving the coincidence degree between the illuminated bright area and the food placement area, and thereby being able to better illuminate the food.

[0010] Furthermore, it further includes a lifting mechanism for driving the above-mentioned lampshade to move up and down. Thus, the height of the lampshade can be adjusted according to the cooking needs. For example, when the area of the food being cooked is large, the position of the lampshade can be set higher to expand the range of the illuminated bright area and avoid illumination dead corners; when the area of the food being cooked is small, the position of the lampshade can be set lower to narrow the range of the illuminated bright area, so that the illumination light can be concentrated on illuminating the food.

[0011] Furthermore, the lifting mechanism includes a driving motor, a driving gear, a transmission gear, and a vertically arranged screw rod. The driving gear and the transmission gear are both horizontally arranged and meshed with each other. Among them, the driving gear is installed on the output shaft of the driving motor, and the transmission gear is installed at the upper end of the screw rod and forms a screw transmission pair with the screw rod. The lower end of the screw rod is connected to the above-mentioned lampshade. In this way, when the driving motor works to drive the driving gear to rotate, the screw rod is driven to move up and down through the transmission gear, and thus the up-and-down movement of the lampshade is realized.

[0012] Furthermore, a heat dissipation channel is provided above the inner container. The heat dissipation channel is equipped with a heat dissipation fan, and the above-mentioned driving motor is located on the heat dissipation channel. This can avoid the influence of the high temperature around the inner container on the performance of the driving motor.

[0013] Further, an upper mounting plate is horizontally arranged above the inner container. A wind guide plate is covered on the upper surface of the upper mounting plate to enclose the above-mentioned heat dissipation channel. The driving motor is installed on the outer top surface of the wind guide plate, and the output shaft of the driving motor extends into the heat dissipation channel. The upper end of the above-mentioned screw penetrates into the heat dissipation channel, and the above-mentioned driving gear and transmission gear are both located in the heat dissipation channel. In this way, on the basis of ensuring the heat dissipation performance of the driving motor, the stable installation of the driving motor can be realized, and each gear is arranged in the heat dissipation channel, which can avoid occupying the internal installation space of the oven.

[0014] Further, the lampshade is an integral part, and respectively includes a top plate, front end plates and rear end plates at the front and rear ends, and left side plates and right side plates on the left and right sides. Among them, there are gaps extending along the width direction of the left side plate and penetrating to the bottom of the lampshade between the front and rear ends of the left side plate and the corresponding end plates. Similarly, there are also the above-mentioned gaps between the front and rear ends of the right side plate and the corresponding end plates.

[0015] The lower end of the above-mentioned screw penetrates into the lampshade and is vertically provided with a support frame extending left and right. The left and right ends of the support frame are respectively fixed to the corresponding side plates.

[0016] Moreover, when the above-mentioned lampshade rises to the state where its top plate abuts against the inner top surface of the inner container, the above-mentioned support frame respectively pushes the corresponding side plates outwards, and the above-mentioned gaps between each side plate and the corresponding end plate increase synchronously. In this way, when the area of the cooked food is particularly large, the lighting range can be further increased through the above method to ensure the full coverage of the food by the illuminated area. And, the structure for realizing the expansion of the lighting opening and the mechanism for realizing the lifting of the lampshade share the same components, so that the internal structure of the oven can be simplified.

[0017] Further, the support frame includes a left support rod and a right support rod. The upper ends of each support rod are respectively fixed to the lower end part of the screw, and respectively extend obliquely from the screw towards the corresponding side plate. The lower ends of each support rod are respectively vertically bent upwards to form connecting parts, and each connecting part is respectively fixed to the upper part of the corresponding side plate. In this way, when the top plate of the lampshade abuts against the inner top surface of the inner container and the screw continues to rise, each support rod of the support frame respectively pushes the corresponding side plate upwards, and each side plate deforms to a certain extent to increase the opening size of the bottom lighting opening.

[0018] Further, the upper parts of the left side plate and the right side plate are both straight plates, and the above-mentioned left support rod is arranged parallel to the upper part of the left side plate, and the right support rod is arranged parallel to the upper part of the right side plate. In this way, the reliability of the internal structure of the lampshade can be ensured when the support frame pushes the left side plates and the right side plates upwards, and it is beneficial to ensure the smooth reset of each side plate when the support frame descends.

[0019] Compared with the prior art, the advantages of the present utility model are as follows: By installing the lighting lamp in the lamp shade, the oil droplets sputtered onto the surface of the lighting lamp can be reduced, thereby reducing the oil stains adhering to the surface of the lighting lamp. Moreover, the cross-sectional size of the lamp shade remains uniform from front to back, and the middle part of the cross-section in the up-down direction is the widest, and gradually decreases from the widest part towards both the upper and lower ends.

[0020] Through the design of the shape of the lamp shade in this way, on the one hand, since the opening area of the lighting port is relatively small, the oil droplets splashing into the lamp shade can be reduced. And even if the oil droplets splash into the lamp shade, most of them will only adhere to the inner surface of the lamp shade, so that the oil droplets splashing onto the lighting lamp can be further reduced; on the other hand, the lighting light can be concentrated on the food, and a lighting bright area (corresponding to the location of the food) and a lighting dark area can be formed in the inner cavity of the inner container, improving the lighting effect on the food.

[0021] In addition, the inner surface of the lamp shade in the present utility model is a reflecting surface that can reflect the lighting light emitted by the lighting lamp. In this way, on the one hand, the lighting range of the lighting lamp can be expanded to a certain extent through reflection (based on the lighting port); on the other hand, the light loss can be avoided, ensuring the lighting intensity for the food. Description of the Drawings

[0022] Figure 1 is a schematic structural diagram of the oven in the embodiment of the present utility model;

[0023] Figure 2 is a cross-sectional view of the oven in the embodiment of the present utility model;

[0024] Figure 3 is Figure 2 an enlarged view of part A in

[0025] Figure 4 is a cross-sectional view of the oven in the embodiment of the present utility model in another direction;

[0026] Figure 5 is Figure 4 an enlarged view of part B in

[0027] Figure 6 is a schematic structural diagram of the lamp shade in the embodiment of the present utility model;

[0028] Figure 7 is Figure 6 a structural diagram in another direction. Detailed Embodiment

[0029] The following further describes the present utility model in detail with reference to the embodiments of the drawings.

[0030] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Since the embodiments disclosed by the present utility model can be arranged in different directions, these terms indicating directions are only for illustration and should not be regarded as limitations. For example, "upper" and "lower" are not necessarily limited to the directions opposite to or consistent with the gravity direction. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of such features.

[0031] As Figures 1 to 7 shown, an oven, an oven with a lighting function, includes an inner container 1 and a lighting lamp 5 located in the inner container 1 and provided at the top of the inner container 1. A lamp shade 4 extending horizontally in the front-rear direction and opening downward is provided at the center of the top of the inner container 1. The outer shape of the lighting lamp 5 is strip-shaped and is arranged on the inner top surface of the lamp shade 4 along the length direction. The bottom opening of the lamp shade 4 forms a lighting opening 40 for the emitted lighting light. The lighting opening 40 extends in the front-rear direction and is vertically opposite to the lighting lamp 5. Moreover, the cross-sectional size of the lamp shade 4 is uniformly unchanged from front to back, and the middle part of the cross-section in the up-down direction is the widest (as shown by the dotted line in Figure 5 ), and decreases from the widest part to both the upper and lower ends respectively. The inner surface of the lamp shade 4 is a reflecting surface (not shown, a coating structure in this embodiment) capable of reflecting the lighting light emitted by the lighting lamp 5.

[0032] As can be seen from the above, in the present utility model, by installing the lighting lamp 5 in the lamp shade 4, the oil droplets sputtered onto the surface of the lighting lamp 5 can be reduced, thereby reducing the oil stains adhering to the surface of the lighting lamp 5. Moreover, the cross-sectional size of the lamp shade 4 remains uniform from front to back, and the middle part in the up-down direction of the cross-section is the widest, and decreases from the widest part towards the upper and lower ends respectively. Through such a design of the shape of the lamp shade 4, on the one hand, since the opening area of the lighting port 40 is relatively small, the oil droplets sputtered into the lamp shade 4 can be reduced, and even if the oil droplets sputter into the lamp shade 4, most of them will only adhere to the inner surface of the lamp shade 4, thus further reducing the oil droplets sputtering onto the lighting lamp 5; on the other hand, the lighting light can be concentrated on the food, and a lighting bright area (corresponding to the location of the food) and a lighting dark area are formed in the inner cavity of the inner container 1, improving the lighting effect on the food. In addition, the inner surface of the lamp shade 4 in the present utility model is a reflecting surface capable of reflecting the lighting light emitted by the lighting lamp 5. In this way, on the one hand, the lighting range of the lighting lamp 5 can be expanded to a certain extent through reflection (with the lighting port 40 as the basis); on the other hand, light loss can be avoided, ensuring the lighting intensity for the food.

[0033] Preferably, as Figure 5 shown, in the cross-section of the above-mentioned lamp shade 4, the two sides between the widest part and the lighting port 40 are respectively connected by arc line segments on the left and right, and the two sides between the widest part and the top are respectively connected by oblique line segments on the left and right. Moreover, the top of the above-mentioned lamp shade 4 is recessed upwards along the length direction to form an installation groove 411 for installing the above-mentioned lighting lamp 5, and a lamp holder 51 for installing the lighting lamp 5 is arranged in the installation groove. In this way, on the one hand, the oil droplets sputtering onto the lighting lamp 5 can be further reduced, and on the other hand, the reflection effect of the reflecting surface on the lighting light can be improved, thereby further improving the lighting effect on the food. Further preferably, the cross-section of the above-mentioned lamp shade 4 is symmetric about the left and right, so that the lighting light emitted from the lamp shade 4 can be regularly distributed in the inner container 1, improving the coincidence degree between the lighting bright area and the food placement area, and thus being able to better illuminate the food.

[0034] Furthermore, as Figure 3 and Figure 5 shown, it further includes a lifting mechanism 6 for driving the above-mentioned lamp shade 4 to move up and down. In this way, the lamp shade 4 can be lifted and lowered according to the cooking needs. For example, when the area of the cooked food is large, the position of the lamp shade 4 can be set higher, thereby expanding the range of the lighting bright area and avoiding lighting dead corners; while when the area of the cooked food is small, the position of the lamp shade 4 can be set lower, thereby reducing the range of the lighting bright area and enabling the lighting light to be concentrated on the food.

[0035] In this embodiment, specifically, the lifting mechanism 6 includes a driving motor 61, a driving gear 62, a transmission gear 63, and a vertically arranged screw rod 64. The driving gear 62 and the transmission gear 63 are both horizontally arranged and meshed with each other, and the transmission gear 63 is meshed with the screw rod 64 to form a screw drive pair. Among them, the driving gear 62 is installed on the output shaft of the driving motor 61, the transmission gear 63 is installed at the upper end of the screw rod 64, and the lower end of the screw rod 64 is connected to the lampshade 4. In this way, when the driving motor 61 works, it drives the driving gear 62 to rotate, thereby driving the screw rod 64 to move up and down through the transmission gear 63, and then realizing the up and down movement of the lampshade 4.

[0036] Furthermore, as Figure 3 shown, a heat dissipation channel 30 is provided on the inner container 1. The heat dissipation channel 30 is provided with a heat dissipation fan 31, and the driving motor 61 is located on the heat dissipation channel 30. In this way, the influence of the high temperature around the inner container 1 on the performance of the driving motor 61 can be avoided. Specifically, an upper mounting plate 2 is horizontally arranged on the inner container 1. A wind guiding plate 3 is covered on the upper surface of the upper mounting plate 2 to enclose the heat dissipation channel 30. The driving motor 61 is installed on the outer top surface of the wind guiding plate 3, and the output shaft of the driving motor 61 extends into the heat dissipation channel 30. The upper end of the screw rod 64 penetrates into the heat dissipation channel 30, and the driving gear 62 and the transmission gear 63 are both located in the heat dissipation channel 30. In this way, on the basis of ensuring the heat dissipation performance of the driving motor 61, the stable installation of the driving motor 61 can be realized, and all the gears are arranged in the heat dissipation channel 30, which can avoid occupying the internal installation space of the oven.

[0037] Furthermore, the lampshade 4 is an integral part made of metal, and includes a top plate 41, front end plates 42 and rear end plates 43 at the front and rear ends, and left side plates 44 and right side plates 45 on the left and right sides respectively. Among them, there are gaps 46 extending in the width direction of the left side plate 44 and penetrating to the bottom of the lampshade 4 between the front and rear ends of the left side plate 44 and the corresponding end plates. Similarly, there are also the above-mentioned gaps 46 between the front and rear ends of the right side plate 45 and the corresponding end plates. Among them, the front end plate 42 and the rear end plate 43 vertically extend with relatively large thickness, while the left side plate 44 and the right side plate 45 have relatively small thickness and can undergo a certain deformation under the stress state.

[0038] Further, the lower end of the above-mentioned screw rod 64 penetrates into the lamp housing 4 and is vertically provided with a support frame 7 extending left and right. The left and right ends of the support frame 7 are respectively fixed to the corresponding side plates. And, when the lamp housing 4 rises to a state where its top plate 41 abuts against the inner top surface of the inner container 1, the support frame 7 pushes the corresponding side plates outwards respectively, and the gaps 46 between each side plate and the corresponding end plate increase synchronously. In this way, when the area of the cooked food is relatively large, the lighting range can be further increased through the above method, ensuring that the illuminated area completely covers the food. Moreover, the structure for expanding the lighting opening 40 and the mechanism for lifting the lamp housing 4 share the same components, so that the internal structure of the oven can be made simple.

[0039] Specifically, the above-mentioned support frame 7 includes a left support rod 71 and a right support rod 72. The upper ends of each support rod are respectively fixed to the lower end of the screw rod 64 and respectively extend obliquely towards the corresponding side plate from the screw rod 64. The lower ends of each support rod are respectively bent vertically upwards to form a connecting portion 73, and each connecting portion 73 is respectively fixed to the upper part of the corresponding side plate. In this way, when the top plate 41 of the lamp housing 4 abuts against the inner top surface of the inner container 1 and the screw rod 64 continues to rise, each support rod of the support frame 7 pushes the corresponding side plate upwards respectively, so that each side plate deforms to a certain extent to increase the opening size of the bottom lighting opening 40. Preferably, further, the upper parts of the above-mentioned left side plate 44 and the right side plate 45 are both straight plates, and the left support rod 71 is arranged parallel to the upper part of the left side plate 44, while the right support rod 72 is arranged parallel to the upper part of the right side plate 45. In this way, the reliability of the internal structure of the lamp housing 4 can be ensured when the support frame 7 pushes the left side plate 44 and the right side plate 45 upwards, and it is beneficial to ensure the smooth reset of each side plate when the support frame 7 descends.

[0040] In this embodiment, to further ensure the smooth up and down movement of the lamp housing 4, there are two above-mentioned screw rods 64 which are respectively arranged at the front end and the rear end of the lamp housing 4. The upper ends of each screw rod 64 are respectively installed with the above-mentioned transmission gears 63, and the lower ends are respectively installed with the above-mentioned support frames 7. Preferably, in this embodiment, the top plate 41 of the lamp housing 4 extends horizontally, so as to ensure the stable abutment of the top plate 41 against the inner top surface of the inner container 1, and through holes 410 for the corresponding screw rods 64 to pass through and move up and down are respectively opened at the front and rear ends of the top plate 41.

Claims

1. An oven with lighting function, comprising an inner container (1) and a lighting lamp (5) located in the inner container (1) and arranged on the top of the inner container (1), characterized in that: A lampshade (4) extending forward and backward and opening downward is horizontally arranged at the center of the top of the inner container (1); the illuminating lamp (5) is in the shape of an elongated strip and is arranged on the inner top surface of the lampshade (4) along the length direction; and the bottom cover opening of the lampshade (4) forms an illuminating opening (40) for emitting illuminating light; the illuminating opening (40) extends forward and backward and is vertically opposite to the illuminating lamp (5). Furthermore, the cross-sectional size of the lampshade (4) is uniform from front to back, and the middle portion of the cross-sectional area along the vertical direction is the widest part, and the width decreases from the widest part toward the upper and lower ends, respectively, and the inner surface of the lampshade (4) is a reflecting surface capable of reflecting the illumination light emitted by the illumination lamp (5).

2. The oven with lighting function according to claim 1, characterized in that: In the cross section of the lampshade (4), the widest part and the lighting opening (40) are connected by arc segments on the left and right sides, respectively, and the widest part and the top are connected by oblique line segments on the left and right sides, respectively. Furthermore, the top of the lampshade (4) is recessed upward along the length direction to form a mounting groove (411) for mounting the lighting lamp (5).

3. The oven with lighting function according to claim 1, characterized in that: The cross section of the lampshade (4) is bilaterally symmetrical.

4. The oven with lighting function according to any one of claims 1 to 3, characterized in that: It also includes a lifting mechanism (6) for driving the lampshade (4) to move up and down.

5. The oven with lighting function according to claim 4, characterized in that: The lifting mechanism (6) comprises a driving motor (61), a driving gear (62), a transmission gear (63) and a vertically arranged screw rod (64), wherein the driving gear (62) and the transmission gear (63) are both horizontally arranged and meshed with each other, wherein the driving gear (62) is mounted on the output shaft of the driving motor (61), and the transmission gear (63) is mounted on the upper end of the screw rod (64) and forms a spiral transmission pair with the screw rod (64), and the lower end of the screw rod (64) is connected to the lampshade (4).

6. The oven with lighting function according to claim 5, characterized in that: A heat dissipation channel (30) is provided on the inner container (1), the heat dissipation channel (30) has a heat dissipation fan (31), and the drive motor (61) is located on the heat dissipation channel (30).

7. The oven with lighting function according to claim 6, characterized in that: An upper mounting plate (2) is horizontally arranged above the inner tank (1); an air guide plate (3) is arranged on the upper surface of the upper mounting plate (2) to enclose the heat dissipation channel (30); the drive motor (61) is mounted on the outer top surface of the air guide plate (3); the output shaft of the drive motor (61) extends into the heat dissipation channel (30); the upper end of the screw rod (64) penetrates into the heat dissipation channel (30); and the driving gear (62) and the transmission gear (63) are both located in the heat dissipation channel (30).

8. The oven with lighting function according to claim 5, characterized in that: The lampshade (4) is an integral part and comprises a top plate (41), a front end plate (42) and a rear end plate (43) located at the front and rear ends, and a left side plate (44) and a right side plate (45) located at the left and right sides, wherein the front and rear ends of the left side plate (44) and the corresponding end plates respectively have gaps (46) extending along the width direction of the left side plate (44) and penetrating to the bottom of the lampshade (4), and similarly, the front and rear ends of the right side plate (45) and the corresponding end plates also have the above-mentioned gaps (46) respectively. The lower end of the screw rod (64) penetrates into the lampshade (4) and is vertically provided with a support frame (7) extending left and right. The left and right ends of the support frame (7) are respectively fixed to the corresponding side plates. Furthermore, when the lampshade (4) rises to a state where its top plate (41) abuts against the inner top surface of the inner container (1), the support frame (7) pushes the corresponding side plates outward respectively, and the gap (46) between each side plate and the corresponding end plate increases synchronously.

9. The oven with lighting function according to claim 8, characterized in that: The support frame (7) comprises a left support rod (71) and a right support rod (72), the upper end of each support rod is respectively fixed to the lower end of the screw rod (64), and is respectively extended obliquely from the screw rod (64) toward the corresponding side plate, and the lower end of each support rod is respectively bent and extended vertically upward to form a connecting portion (73), and each connecting portion (73) is respectively fixed to the upper portion of the corresponding side plate.

10. The oven with lighting function according to claim 9, characterized in that: The upper parts of the left side plate (44) and the right side plate (45) are both straight plates, and the left support rod (71) is arranged parallel to the upper part of the left side plate (44), while the right support rod (72) is arranged parallel to the upper part of the right side plate (45).

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