Barbecue equipment capable of independently controlling barbecue time

By introducing a skewer positioning and time indication mechanism into the barbecue equipment, combined with revolution and rotation drives, the problems of uneven heating of food and the inability to independently control time are solved, achieving high-quality and personalized barbecue results.

CN224235234UActive Publication Date: 2026-05-15BEIJING AEROSPACE INGENUITY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BEIJING AEROSPACE INGENUITY TECH CO LTD
Filing Date
2025-05-16
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

Existing barbecue equipment suffers from uneven heating of ingredients, poor cooking quality and uniformity of skewers, inability to independently control grilling time, low functional integration, and inability to meet personalized needs.

Method used

The system employs a skewer positioning mechanism and a time-indicating mechanism. The skewer positioning mechanism secures individual skewers, while position sensors, controllers, and indicator devices enable independent timing and alerts for each skewer. Combined with a revolution and rotation drive mechanism, this ensures precise control over the grilling time and position of each skewer.

Benefits of technology

This allows for independent control of the grilling time for each skewer, improving grilling quality and consistency, meeting personalized needs, and enhancing the user experience.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

A barbecue device capable of independently controlling barbecue time comprises a skewer positioning mechanism used for fixing independent skewers and limiting food material parts of the skewers on the outer side of the circumference of a heating source; the time prompting mechanisms are in one-to-one correspondence with the skewer positioning mechanisms and comprise position sensors, controllers, prompting devices and power supplies which are electrically connected, and the position sensors correspond to skewers fixed on the skewer positioning mechanisms. According to the invention, each kebab can be independently timed, a prompt signal can be independently sent out, and personalized requirements can be met, for example, the time for roasting vegetables and the time for roasting kebabs are surely different, the time for roasting large kebabs and the time for roasting small kebabs are also different, and the time for roasting the kebabs placed at different times is surely different, so that the time for roasting the kebabs is surely different. Therefore, the time monitoring requirement of each kebab is met, and correspondingly, the barbecuing quality of the kebab is also obviously improved.
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Description

Technical Field

[0001] This application relates to a portable barbecue device, a barbecue device with independent control of barbecue time and its drive mechanism, and a skewer positioning mechanism. Background Technology

[0002] Barbecue refers not only to a cooking method but also to the food prepared using that method. As a cooking method, barbecue is popular due to its simplicity, convenience, and engaging nature, making it particularly suitable for outdoor activities such as camping and gatherings. As a food category, barbecue is also highly popular among consumers due to its unique flavor and personalized characteristics. Therefore, the industry has developed various portable barbecue equipment to meet market demands.

[0003] Chinese utility model patent CN205018877U discloses a touch-screen barbecue machine, which includes a base, a skewer locking plate for supporting barbecue skewers, and multiple door panels corresponding to the barbecue skewers, disposed between the base and the skewer locking plate. The door panels are rotatably connected between the base and the skewer locking plate. A touch screen is provided on the outer wall of the base, allowing adjustment of the barbecue machine's temperature and skewer rotation speed via touch control. The base contains a controller electrically connected to the touch screen, a timer electrically connected to the controller, and a speed sensor for sensing the skewer rotation speed. This utility model features door panels that correspond one-to-one with the barbecue skewers and are rotatably connected between the base and the skewer locking plate, providing good dust protection, convenient skewer handling, and high precision in temperature and speed control.

[0004] Chinese utility model patent CN101125064B discloses a vertical and horizontal oven, which is a grilling oven that can be used in both horizontal and vertical orientations. Depending on the specific orientation, the oven can be used for baking, roasting, grilling, and grilling foods such as meat, fish, and vegetables. It is intended to allow all or only some of the above functions to be performed in both horizontal and vertical orientations.

[0005] Analysis of the two existing technologies mentioned above, as well as all other existing technologies, reveals that existing grilling equipment has at least the following drawbacks during the grilling process:

[0006] 1. The ingredients (skewers) and the heating source are both stationary, which obviously leads to uneven heating of the ingredients and affects the quality of the barbecue. This practice has been gradually phased out of the market.

[0007] 2. The rotation of each ingredient, as described in the aforementioned Chinese utility model patent, is called "self-rotation." The different distances and angles of the heating source from each skewer will also lead to uneven heating of different skewers. This obviously affects the cooking quality, uniformity, and user experience of the skewers.

[0008] 3. The food is rotated as a whole, as described in the aforementioned Chinese utility model patent, which is called "revolution". The relative distance and angle between the skewers and the heating source remain fixed. It's just that each skewer has the opportunity to receive the corresponding heat at the same distance and angle. Obviously, this will also lead to uneven heating of different skewers, affecting the cooking quality, uniformity, and user experience of the skewers.

[0009] 4. The grilling time cannot be controlled independently, and the integration of the components is not high. For example, the cooking time of each skewer cannot be controlled independently and integrated with the clamping mechanism, resulting in problems such as unmet personalized needs and complex overall structure. Summary of the Invention

[0010] The purpose of this application is to provide a portable barbecue device, a barbecue device with independent control of barbecue time, a drive mechanism for the barbecue device, and a skewer positioning mechanism for the barbecue device, so as to solve at least one of the above-mentioned problems.

[0011] To achieve one of the above objectives, this application provides the following technical solution:

[0012] A barbecue device with independent control of grilling time includes: a skewer positioning mechanism for fixing individual skewers and limiting the food part of the skewers to the outer circumference of a heating source; and a time indication mechanism corresponding to the skewer positioning mechanism, including a position sensor, a controller, an indication device, and a power supply that are electrically connected, wherein the position sensor corresponds to the skewer fixed on the skewer positioning mechanism.

[0013] Analysis shows that this application can independently time and issue individual prompts for each skewer, thus meeting personalized needs. For example, the time for grilling vegetables is definitely different from the time for grilling meat skewers, and the time for grilling large meat skewers is also different from the time for grilling small meat skewers. Skewers placed at different times will also have different cooking times. Therefore, this application meets the time monitoring needs of each skewer, and correspondingly, the grilling quality will be significantly improved. Attached Figure Description

[0014] Figure 1 is a front view structural diagram of Embodiment 1 of the portable barbecue equipment of this application;

[0015] Figure 2 is a top view of the structure of Embodiment 1 shown in Figure 1;

[0016] Figure 3 is a schematic cross-sectional view of line AA in Figure 2;

[0017] Figure 4 is a schematic cross-sectional view of line BB in Figure 1;

[0018] Figure 5 is a schematic cross-sectional view of the structure along line CC in Figure 1;

[0019] Figure 6 is a schematic cross-sectional view of the structure along line DD in Figure 1;

[0020] Figure 7 is a three-dimensional structural schematic diagram of the skewer positioning mechanism in Embodiment 1 shown in Figure 1;

[0021] Figure 8 is a structural schematic diagram of Embodiment 1 shown in Figure 1;

[0022] Figure 9 is a schematic diagram of the internal structure of Embodiment 1 shown in Figure 1;

[0023] Figure 10 is a top view of the second embodiment of the portable barbecue equipment of this application;

[0024] Figure 11 is a schematic cross-sectional view of the structure along line A1-A1 in Figure 10;

[0025] Figure 12 is a schematic cross-sectional view of the structure along line B1-B1 in Figure 11;

[0026] Figure 13 is a schematic cross-sectional view of the structure along line C1-C1 in Figure 11;

[0027] Figure 14 is a schematic cross-sectional view of the structure along line D1-D1 in Figure 11;

[0028] Figure 15 is a three-dimensional structural schematic diagram of the skewer positioning mechanism in Embodiment 2 shown in Figure 10;

[0029] Figure 16 is a structural schematic diagram of Embodiment 2 shown in Figure 10;

[0030] Figure 17 is a schematic diagram of the internal structure of Embodiment 2 shown in Figure 10;

[0031] Figure 18 is a top view of the portable barbecue equipment of embodiment three of this application;

[0032] Figure 19 is a schematic cross-sectional view of the structure along line A2-A2 in Figure 18;

[0033] Figure 20 is a schematic cross-sectional view of the structure along line B2-B2 in Figure 19;

[0034] Figure 21 is a schematic cross-sectional view of the structure along line C2-C2 in Figure 19;

[0035] Figure 22 is a schematic cross-sectional view of the structure along line D2-D2 in Figure 19;

[0036] Figure 23 is a structural schematic diagram of Embodiment 3 shown in Figure 18;

[0037] Figure 24 is a schematic diagram of the internal structure of Embodiment 3 shown in Figure 18. Detailed Implementation

[0038] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0039] It should be noted in advance that although this application includes electrical components such as motors, controllers, sensors, communication cables (for transmitting low-voltage detection and control signals, etc.) / power cables (for transmitting electricity for use by heating sources, etc.), this application does not specifically describe or describe in detail the structure and materials of these electrical components. This is because this application does not contribute to the technology of electronic circuits and electrical components. It only utilizes their relevant characteristics. After knowing the existing technology in this field and reading the specification of this application, the control process is clear. Therefore, the corresponding details of control, communication, current transmission, etc., will not be elaborated.

[0040] As shown in Figures 1, 3, 8, and 9, the portable barbecue equipment embodiment one provided in this application includes a base 1100, an oil tray 2100, a support frame 3100, a top cover 4100, a skewer positioning mechanism 5100, and a door 6100. The base 1100 is disc-shaped and primarily provides stable support for the components above it. The lower end of the support frame 3100 is connected to the base 1100, and the upper end is connected to the top cover 4100 and its internal components. If the lower end of the support frame 3100 can provide stable support, the base 1100 can be omitted; for example, the lower end of the support frame 3100 can be inserted into a groove, or two or more support frames 3100 can form a "door"-shaped frame. In this embodiment one, the support frame 3100 is a vertical tube with a hollow structure that provides space for power and communication cables, resulting in a simple appearance and protecting the cables.

[0041] The oil drip tray 2100 has a groove on its upper surface, located approximately below the base 1100 and below the door panel 6100. Since the interior of the door panel 6100 is the grilling space, the area of ​​the groove on the upper surface of the oil drip tray 2100 should ideally be slightly larger than the area of ​​the opening at the bottom of the door panel 6100 to collect all falling grease and impurities. The oil drip tray 2100 and the base 1100 can be fixedly connected or detachably connected. A detachable connection, such as a snap-fit, magnetic adsorption, or fastener connection, facilitates the removal and cleaning of the oil drip tray.

[0042] The door leaf 6100 is in the shape of an arc-shaped plate. This embodiment includes two door leaves 6100, whose rear end edges are rotatably mounted on the support frame 3100 via hinges 6103. A position sensor 6104 is also provided at the rear end edge to detect the open / closed state of the door leaf 6100, thereby providing a signal to the drive mechanism described below. The two door leaves 6100, when closed, form a cylindrical internal space, which is the aforementioned barbecue space. To facilitate opening / closing the door leaves 6100, each door leaf 6100 has at least one door handle 6101 on its side. The door handles 6101 are preferably horizontally positioned, allowing them not only to open the door leaf 6100 but also to be used for lifting with both hands in this embodiment.

[0043] The top cover 4100 is located at the top of this embodiment and is used to cover and protect the internal motor, transmission mechanism, control device, etc., similar to a bowl-shaped structure with an opening facing downwards. There is an open space between the top cover 4100 and the door 6100. A part of the skewer positioning mechanism 5100 is located in this open space, which saves materials, facilitates the user to pick up and put down the skewers, enhances the aesthetics, or allows the user to easily observe the indicator signal from the open space if a signal indicating the grilling time is also set on the skewer positioning mechanism 5100.

[0044] As shown in Figures 3, 4, and 9, inside the top cover 4100, there are a power output mechanism, a support connector, a revolution drive mechanism, and a rotation drive mechanism. It should be emphasized that the power output mechanism includes not only the motor 7101, the reduction gearbox 7102, and the output gear 7103, but also a controller that controls the operation of the motor 7101. The controller is not shown in the figure (because the technology used by the controller to control the motor is conventional technology), and this controller is connected to the aforementioned position sensor 6104. Based on the position information of the door leaf 6100 collected by the position sensor 6104, the controller controls whether the motor 7101 moves and the stopping position, thereby stopping the skewer positioning mechanism 5100 in the preset position.

[0045] The supporting connecting components include a crossbeam 4101, connecting rods 4103, 4104, 4105, 4106, and a pad 4107. In other embodiments, the components only need to provide stable support for the power output mechanism, the revolution drive mechanism, and the rotation drive mechanism. The number, structure, and positional relationship of the structural components with supporting and connecting functions can be flexibly changed. For example, the pad 4107 is fixed to the crossbeam 4101 by the connecting rod 4104. Obviously, welding or bonding can achieve similar purposes.

[0046] The crossbeam 4101 is rod-shaped, with one end fixed to the top of the support frame 3100, and the other end preferably bent downwards in an L-shape and abutting / connected to the upper surface of the protective ring 4102. The protective ring 4102 is described in detail here. The protective ring 4102 is annular, with a large hollow area in the middle for the drive mechanism to pass through, and is fixed to the support frame 3100, crossbeam 4101, etc. Its outer edge is close to the inner wall of the top cover 4100 to reduce the entry of oil fumes, impurities, etc., into the interior of the top cover 4100, thus preventing contamination.

[0047] The pad 4107 is approximately disc-shaped and is fixed to the middle section of the crossbeam 4101 by a connecting rod 4104 formed by, for example, two bolts. The upper end of another connecting rod 4106 passes through the pad 4107 and is fixed to the crossbeam 4101. The lower end of the connecting rod 4106 extends straight down into the baking space enclosed by the door 6100 and is connected to a protective cover 8102. It also supports the weight of the heating element used as the heating source 8100, as detailed below.

[0048] As mentioned above, the power output mechanism includes a motor 7101, a gearbox 7102, an output gear 7103, and a controller, all mounted on the crossbeam 4101. The motor 7101, gearbox 7102, and output gear 7103 are connected in sequence. The connection method and the controller's control of the motor are conventional technologies and will not be described in detail here.

[0049] The revolution drive mechanism drives the skewer positioning mechanism 5100 to rotate around the heating source 8100, while the rotation drive mechanism drives the skewer positioning mechanism 5100 to rotate itself. The revolution drive mechanism includes a rotating gear disk 7104, which is disc-shaped. The outer edge of the rotating gear disk 7104 has teeth that mesh with the output gear 7103. Multiple skewer positioning mechanisms 5100 are connected to the inner side of the outer edge via a connecting rod 4103. The multiple skewer positioning mechanisms 5100 are arranged in a ring around the center of the rotating gear disk 7104 below it. The central area of ​​the rotating gear disk 7104 is movably positioned below the pad block 4107, so that when the output gear 7103 drives the rotating gear disk 7104 to rotate, the rotating gear disk 7104 can rotate accordingly, thereby driving the multiple skewer positioning mechanisms 5100 mounted on it to rotate, forming a "revolution" effect. In this way, the skewers 9 can pass through every position on the circumference of the heating source 8100.

[0050] The self-rotating drive mechanism includes a driven gear 7105 and a stationary gear disk 7106. The stationary gear disk 7106 remains stationary during use and is located below the rotating gear disk 7104. Ball bearings or similar components can be used to space them, reducing friction and limiting their relative positions. A bolt-like connecting rod 4105, with its large end facing down, has its threaded end passing through both the stationary gear disk 7106 and the rotatable rotating gear disk 7104 (it should be understood that "passing through the rotating gear disk" refers to their spatial relative position, not a fixed connection), and is then screwed into a pad 4107. This pad serves multiple functions, including supporting the stationary gear disk 7106 and the rotating gear disk 7104. The driven gear 7105 is fixedly connected to the connecting rod 4103, and both can rotate simultaneously. The connecting rod 4103 also has a larger upper end, which is located above the rotating gear 7104. The rotating gear 7104 has a through hole, through which the connecting rod 4103 passes and then through the driven gear 7105, and is also fixedly connected to the driven gear 7105. The lower end of the connecting rod 4103 is fixedly connected to the skewer positioning mechanism 5100. When the driven gear 7105 rotates, the skewer positioning mechanism 5100 also rotates, creating a "self-rotation" effect, that is, the skewer 9 rotates itself.

[0051] As shown in Figures 3, 5, 7, and 9, the skewer positioning mechanism 5100 not only provides stable clamping for the skewers 9, but is also an indispensable component for the rotation of the skewers 9. Preferably, the skewer positioning mechanism 5100 includes a longitudinally arranged base plate 5105, a connecting plate 5102, a clamping plate 5103, a clamping plate 5106, and a clamping plate 5107. The connecting plate 5102 is located on the upper part of the base plate 5105 and is used to connect with the connecting rod 4103. The clamping plates 5103, 5106, and 5107 are arranged on the same side of the base plate 5105 from top to bottom to clamp the skewers 91 (hereinafter referred to as skewers 91) of the skewers 9 and prevent the skewers 91 from moving. Of course, there are many ways to prevent the stick 91 from moving. The number, structure, and position of the clamping plates vary. For example, forming a notch in an elastic plate can also securely lock the stick. Alternatively, forming a hook on the substrate 5105 can also suspend the stick 91 and stabilize its position.

[0052] In one embodiment, each of the clamping plates 5103, 5106, and 5107 has a receiving notch 5104, preferably arc-shaped. The three receiving notches 5104 are vertically aligned to hold the skewers 91 in place, preventing them from falling out. Generally, the skewers 91 have a certain degree of elasticity, and the slight horizontal misalignment of the three receiving notches 5104 improves the securing effect of the skewers 91. The clamping plates 5103, 5106, and 5107 also achieve "three-point positioning," as the three receiving notches 5104 hold the skewers 91 at three different heights, resulting in better vertical positioning of the skewers 91. To better position the skewer 91 and prevent it from sliding downwards, a clamping plate 5109 is also provided on the clamping plate 5107. The clamping plate 5109 is elastic, with one end fixed to the clamping plate 5107 and the other end 5109 extending towards the receiving notch 5104. More preferably, the edge of the other end 51010 of the clamping plate 5109 is finer and thinner, which can form a blade-like effect, resulting in a better clamping effect on the skewer 91, especially when the skewer 91 is made of bamboo or wood.

[0053] As shown in Figure 7, the skewer positioning mechanism 5100 of this embodiment also integrates a time-indicating mechanism for detecting when the skewer 9 is embedded in the storage notch 5104, timing the grilling time, and providing a grilling completion reminder. Preferably, the time-indicating mechanism includes a position sensor 5101, a power supply, a time controller, and a light-emitting diode 5108 connected by a cable. The power supply and time controller are not shown in the figure and are located on the back of the substrate 5105, i.e., the side not shown in Figure 7. The power supply can be a small battery, such as a button battery. The position sensor 5101 can be a small sensor such as a microswitch or a Hall sensor. Such sensors are used to detect when a target approaches or contacts, such as detecting when the skewer 91 is inserted into the storage notch 5104, which is a common application and will not be described in detail here. After the skewer 91 is inserted into the storage notch 5104, the position sensor 5101 sends a timing start signal to the time controller. The time controller then controls the power supply to power the LED 5108, causing the LED 5108 to illuminate. During the baking process, the time controller keeps track of the time and, upon completion of the baking time, controls the LED 5108 to emit a prompt signal. For example, the LED 5108 can be turned off or flashing as a prompt signal. Preferably, in this embodiment, there are two LEDs 5108. The control logic can be that one LED illuminates during baking and both LEDs illuminate upon completion, or vice versa. Alternatively, one LED 5108 can be green and the other red, with the green LED illuminating during baking and the red LED illuminating upon completion. It should be understood that the LED 5108 used for prompting can also be of other types, such as a buzzer. The buzzer emitting a sound after the predetermined time is reached is also within the scope of protection of this application.

[0054] As shown in Figures 3, 5, 6, and 9, the connecting rod 4106 extends from top to bottom to a height roughly equivalent to the lower middle part of the door leaf 6100. A partition 8101 is located in the middle of the connecting rod 4106. A protective cover 8102 is provided between the partition 8101 and the lower end of the connecting rod 4106. The protective cover 8102 is similar in shape to a water cup, with a cylindrical side and a flat bottom. Preferably, the upper edge of the protective cover 8102 abuts against the lower surface of the partition 8101, and its bottom surface connects to the lower end of the connecting rod 4106.

[0055] A protective cover 8102 is installed outside the heating source 8100 to prevent splattered grease and other contaminants from the skewers 9 from polluting the heating source 8100. Preferably, the protective cover 8102 is made of a material with good thermal conductivity. To facilitate heat conduction, a through hole 8104 is provided on the bottom surface of the protective cover 8102. The through hole 8104 not only facilitates heat conduction outwards but also guides hot air to flow downwards and then upwards, thereby forming a bottom-up hot airflow that allows the skewers to receive heat more comprehensively.

[0056] Furthermore, the lower middle part of the connecting rod 4106, which overlaps with the heating source 8100 in height, is covered with a heat insulation layer 8103 to prevent excessive heat from being conducted upwards through the connecting rod 4106, thus avoiding heat waste and affecting the upper components.

[0057] The heating source 8100 consists of two U-shaped heating tubes. Heating tubes that use electricity to generate heat are already existing technology in the field of barbecue technology, and will not be described in detail here. Of course, in this embodiment, there are no restrictions on the number or arrangement of the heating tubes of a pair of heating sources 8100, and it is not limited to using two U-shaped heating tubes.

[0058] During the heating process of the skewers 9, the grease and moisture will splash inward onto the outer surface of the protective cover 8102 and outward onto the inner surface of the door panel 6100. The grease splashed onto the outer surface of the protective cover 8102 and the inner surface of the door panel 6100 will fall into the oil collection tray 2100. However, when the door panel 6100 is opened and the skewers 9 are taken out, the grease and moisture splashed onto the inner surface of the door panel 6100 will continue to flow down into areas outside the oil collection tray 2100, causing contamination and resulting in unnecessary cleaning work. To avoid this problem, in this embodiment, a guide plate 6102 is provided inside the door panel 6100. The guide plate 6102 is long and thin, with one side set on the inner surface of the door panel 6100. Preferably, the end of the deflector 6102 near the outer side of the door 6100 is higher than the other end near the inner side of the door 6100 (near the support frame 3100), facilitating the flow of grease and moisture onto the deflector 6102. Specifically, when the door 6100 is closed, both the deflector 6102 and the door 6100 are above the oil receiving tray 2100, and grease and moisture naturally fall into the oil receiving tray 2100. When the door 2100 needs to be opened to take or put away the skewers 9, the door 6100 rotates around the hinge 6103, one end of the deflector 6102 moves away from the oil receiving tray 2100, but the other end, which is lower in height, will "rotate" into the oil receiving tray 2100, and the deflector 6102 guides the grease and moisture to continue flowing into the oil receiving tray 2100.

[0059] When applying this embodiment, turn on the power to supply power to the heating source 8100, motor 7101, position sensor 6104, controller, etc.; open the door 6100 and insert the skewer 91 of the skewer 9 into the storage notch 5104 of the skewer positioning mechanism 5100. The skewer 91 triggers the position sensor 5101, and the green light-emitting diode 5108 lights up. Of course, the two steps mentioned above can be interchanged.

[0060] During the grilling process, the revolution drive mechanism drives all the skewers 9 to rotate around the protective cover 8102 outside the heating source 8100, while the rotation drive mechanism drives the skewer positioning mechanism of each skewer 9 to rotate itself. The heating source 8100 radiates heat in all directions, and the oil and moisture from the skewers 9 splatter everywhere, falling into the oil collection tray 2100 along the inner surface of the protective cover 8102 and the door panel 6100 / drain plate 6102.

[0061] When the preset grilling time is reached, for example, five minutes, the red LED 5108 lights up. The user then sees the prompt, holds the door handle 6101, and opens the door 6100. The position sensor 6104 detects that the door 6100 is open and sends a signal to the controller. The controller then controls the motor 7101 and the transmission mechanism to move to the outward position of the skewer positioning mechanism 5100, which is also a convenient position for picking up and putting down the skewers 9.

[0062] Remove the cooked skewer 9, and the LED 5108 turns off. Place a fresh skewer on top, and the position sensor 5101 detects the new skewer, starts the timer, and the green LED 5108 lights up.

[0063] When the door 6100 is closed, the position sensor 6104 detects that the door is closed and sends the trigger signal to the controller. The controller then controls the motor 7101 and the transmission mechanism to operate, continuing to drive the revolution drive mechanism and the rotation drive mechanism to rotate.

[0064] This process is repeated.

[0065] As shown in Figures 10-17, especially Figures 10-11 and 16-17, the portable barbecue equipment embodiment two provided in this application, in terms of overall appearance, includes a base 1200, an oil tray 2200, a support frame 3200, a top cover 4200, a skewer positioning mechanism 5200, and a door 6200. The relative positions and functions of the base 1200, oil tray 2200, support frame 3200, top cover 4200, and door 6200 are basically the same as in embodiment one, and will not be elaborated further. Similarly, the hinge 6203 between the door 6200 and the support frame 3200, the door handle 6201, and the guide plate 6202 on the inner wall of the door 6200 also have the same functions and positional relationships as in embodiment one, and will not be elaborated further. As for the skewers 9 and the sticks 91, they use the same reference numerals as in Embodiment 1, meaning that Embodiment 1 and Embodiment 2 can be used for the same type of skewers.

[0066] However, it should be emphasized that Embodiment 2 also includes electrical components such as controllers, sensors, communication cables / power cables, etc. However, the structure and materials of these electrical components are not specifically described or described in detail below. Embodiment 2 does not contribute to electronic circuit electrical components, but only utilizes their related characteristics and functions. After knowing the existing technology in this field and reading the specification of this application, the control process is clear. Therefore, the corresponding control, communication, current transmission and other details will not be repeated.

[0067] Similar to Embodiment 1, the support frame 3200 is also a vertical tube, as shown in Figure 11. Its lower end has a circular hole for passing power and communication cables (this hole is not shown in the accompanying drawings of Embodiment 1). The hollow structure of the support frame 3200 also provides space for the power and communication cables. The upper end of the support frame 3200 has a bent crossbeam 3201. The other end of the crossbeam 3201 extends towards the axis of Embodiment 2 and then bends downward to connect with the top cover 4200, thereby creating a space between the crossbeam 3201 and the top cover 4200, facilitating the insertion of the user's fingers and enabling the crossbeam 3201 to function as a handle.

[0068] As previously described, the top cover 4200 is located near the top in this embodiment two. Its central part is connected to the bent part of the crossbeam 3201, and its overall shape still resembles a bowl-shaped structure with the opening facing downwards, used to cover and protect the motor, transmission mechanism, etc. installed inside. There is an open space between the top cover 4200 and the door 6200, and a part of the grilling skewer positioning mechanism 5200 is exposed in this open space.

[0069] Similarly, Embodiment Two also includes a revolution drive mechanism and a rotation drive mechanism capable of driving the skewers 9 to achieve rotation and revolution. The definitions of rotation and revolution and their beneficial effects are the same as described above. For example, the top cover 4200 of Embodiment Two is provided with a handle 4208 as a revolution drive mechanism. By operating the handle 4208, the top cover 4200 and its internal power output mechanism, rotation drive mechanism, skewers 9, etc., can be driven to rotate around the axis of the connecting rod 7202 (the connecting rod 7202 can be rotated or fixed). In other words, the components "suspended" on the other end of the crossbeam 3201 can basically be made rotatable.

[0070] Preferably, the handle 4208 is located on the upper surface of the top cover 4200 and is in the shape of a short column, with a simple structure that is easy to manufacture, operate, and maintain. More preferably, the height of the handle 4208 is preferably greater than the distance between the crossbeam 3201 and the upper surface of the top cover 4200, thereby preventing the handle 4208 from continuously driving the top cover 4200 and other mechanisms to rotate, which would cause the cables passing through the support frame 3200, connecting rod 7202, and supplying power to the power output mechanism and heating source 8200 to become tangled or knotted.

[0071] As shown in Figures 11-13 and 17, inside the top cover 4200, there are power output mechanisms, multiple support connectors, a self-rotation drive mechanism, and a skewer positioning mechanism 5200. The support connectors provide support and connection for the power output mechanism and the self-rotation drive mechanism, etc. They are characterized by having many components and diverse functions. The power output mechanism, including the motor 7201, the gearbox 7202, the output pulley 7203, and the output pulley shaft 7204, as well as the self-rotation drive mechanism, including the transmission belt 7205, the tension spring 4207, and the driven wheel 5202 located in each skewer positioning mechanism 5200, all require support connectors for support and connection.

[0072] In detail, the supporting connectors mainly include a lower support plate 4201, an upper support plate 4202, a lower base plate 4203, a connecting cylindrical plate 4204, an upper ring plate 4205, a connecting rod 4206, a connecting plate 4209, a base plate 4210, and a rotating shaft 4211. The lower base plate 4203, lower support plate 4201, upper support plate 4202, and upper ring plate 4205, which are distributed in parallel from bottom to top, are basically flat structures with circular outer edges. The connecting rods 4206 pass through their respective central areas. The lower support plate 4201 and the upper support plate 4202 are provided with multiple corresponding holes (unmarked). A bearing 5204 and a bearing 5201 of the skewer positioning mechanism 5200 are respectively embedded in the corresponding holes of the lower support plate 4201 and the upper support plate 4202. The lower base plate 4203 is also provided with holes at the position of the bearing 5204, but they are relatively small to facilitate support for the bearing 5204 from below, as shown in Figure 11. Correspondingly, the upper ring plate 4205 is also provided with relatively small holes at the position of the bearing 5201 to facilitate positioning and support for the bearing 5201 from above.

[0073] A support block 4212 is provided at the lower end of the connecting rod 4206. The support block 4212 "lifts" the lower base plate 4203 from below, preventing the lower base plate 4203 from falling off the connecting rod 4206. At the same time, with the help of the sleeve, pad, or other height, a certain distance is formed between the adjacent lower base plate 4203, lower support plate 4201, upper support plate 4202, and upper ring plate 4205, forming a certain space. For example, a space is formed between the lower support plate 4201 and the upper support plate 4202 to accommodate the output pulley 7203, the transmission belt 7205, and the driven pulley 5202. As shown in Figure 13, the transmission belt 7205 is embedded in the corresponding groove 5203 of each output pulley 7203 and driven pulley 5202. When the output pulley 7203 located on the output shaft of the gearbox 7202 rotates, it drives all the driven pulleys 5202 to rotate. The transmission belt 7205 can be a belt, a synchronous belt, or a chain, etc. The output pulley 7203 is fixed on the output pulley shaft 7204, and the two ends of the output pulley shaft 7204 are respectively located on the lower support plate 4201 and the upper support plate 4202.

[0074] In actual operation, after a certain period of time, the transmission belt 7205 may loosen and the transmission effect may deteriorate. Therefore, in Embodiment 2, a tension spring 4207 is provided to tighten the transmission belt 7205. Specifically, as shown in Figure 12... Figure 13 As shown in Figure 17, the base plate 4210 is mounted on the upper support plate 4202 via a rotatable shaft 4211. The motor 7201 and the gearbox 7202 are mounted on the base plate 4210. A connecting hole (unmarked) is provided at the other end of the base plate 4210 relative to the shaft 4211. One end of the tension spring 4207 is inserted into the connecting hole. Another connecting hole is provided on the upper support plate 4202 at a position away from the connecting hole. The other end of the tension spring 4207 is inserted into the other connecting hole, causing the output pulley 7203 and the output pulley shaft 7204 to tend to move away from their initial positions, thereby tightening the transmission belt 7205.

[0075] Although the aforementioned handle 4208 is located on the surface of the top cover 4200, in order to improve the overall structural strength, Embodiment 2 also provides a connecting plate 4209, preferably in the shape of a channel steel, with one side wing plate connected to the inner wall of the top cover 4200 and the other side wing plate connected to the upper ring plate 4205. When the handle 4208 is pushed, the top cover 4200, as well as the lower support plate 4201, upper support plate 4202, lower bottom plate 4203, and upper ring plate 4205, rotate simultaneously.

[0076] As shown in Figures 11, 15, and 17, the skewer positioning mechanism 5200 of Embodiment 2 includes the aforementioned bearing 5201, bearing 5204, spring 5206, upper sleeve 5211, lower sleeve 5208, and collar 5210. The upper sleeve 5211 has a hollow cylindrical structure, with its upper end extending out of the upper ring plate 4205 and fixed by a nut. Bearing 5201, driven wheel 5202, and bearing 5204 are then mounted from top to bottom. The driven wheel 5202 and the upper sleeve 5211 are fixedly connected. When the driven wheel 5202 rotates, it drives the upper sleeve 5211 to rotate. The lower end of the upper sleeve 5211 is fixedly connected to the lower sleeve 5208. Preferably, the inner wall of the lower sleeve 5208 is threaded to the outer wall of the upper sleeve 5211. The lower sleeve 5208 has a through hole 5205 on its side wall. The lower end of the spring piece 5206 is bent and inserted into the through hole 5205. The upper end is fixed to the lower sleeve 5208 by the collar 5210. When the skewer 91 of the grill skewer 9 is inserted into the end hole 5207 of the lower sleeve 5208, the lower end of the spring piece 5206 can press firmly against the skewer 91 to prevent the skewer 91 from slipping off.

[0077] As in Embodiment 1, Embodiment 2 also includes a time-indicating mechanism for detecting the insertion hole 5207 of the skewer 91, timing the baking time, and providing a baking completion reminder. The time-indicating mechanism in Embodiment 2 includes a position sensor 5213, a trigger rod 5209, a time controller, and a light-emitting diode 5212 connected by a cable. The power supply and time controller are not shown. Specifically, as shown in Figure 11, the trigger rod 5209 has a stepped cross-section, and the through hole 5205 is stepped to limit the position of the trigger rod 5209 and prevent it from detaching. For example, the trigger rod 5209 is similar to a T-shape, with a large lower end that slidably rests in the lower sleeve 5208, and a straight upper end that extends out of the upper sleeve 5211, corresponding to the position sensor 5213, which is fixed to the upper ring plate 4205. Regarding the selection of the position sensor 5213, it only needs to be able to detect the proximity of the trigger rod 5209. Examples include a microswitch or a Hall sensor. A microswitch is preferred due to its simplicity and flexibility; the trigger rod 5209 simply abuts to generate a trigger signal, which is then sent to the time controller to start timing. The control of the LEDs 5212 by the time controller, as well as the number, type, and alternative solutions of the LEDs 5212, are similar to those in Embodiment 1 and will not be repeated here.

[0078] It should be further explained that the LED 5212 is positioned on the edge of the lower base plate 4203 corresponding to the position of the skewer positioning mechanism 5200, making it easy for the user to confirm that the skewers 9 are cooked. The shape of the larger end of the trigger rod 5209 should ideally match the inner wall of the lower sleeve 5208, thus eliminating the need for a guide structure for its reciprocating movement. Because the lower end of the spring piece 5206 is bent and extends into the through hole 5205, when the trigger rod 5209 falls, it will at most slide down to the bent position of the spring piece 5206 and will not slide out of the end hole 5207.

[0079] The upper end of the connecting cylindrical plate 4204 is connected to the lower base plate 4203, and the lower end is connected to the heating source 8200. The power cable of the heating source 8200 is led out from the hollow cavity inside the support frame 3200 and the connecting rod 4206. Preferably, the connecting cylindrical plate 4204 is connected to a partition 8201, and the heating source 8200 is fixed to the partition 8201. More preferably, the edge of the partition 8201 extends towards the inner wall of the door 6200 to form a relatively sealed effect and prevent heat loss. More preferably, the edge of the partition 8201 is provided with multiple notches (unmarked), and the position and number of the notches correspond one-to-one with the skewer positioning mechanism 5200.

[0080] When using Embodiment 2, to open the door 6200, you can first insert the skewer 91 into all the end holes 5207, and then turn on the power, or turn on the power first, then open the door 6200, and insert the skewer 91 into all the end holes 5207.

[0081] When the heating source 8200 is powered on, it begins to generate heat, heating the skewers 9. At the same time, after the skewers 91 are inserted into the end holes 5207, the upper end of the skewers 91 moves upward, driving the trigger rod 5209 to move upward and trigger the position sensor 5213. The time controller receives the trigger signal transmitted by the position sensor 5213 and starts timing, and the green LED 5212 lights up.

[0082] During the grilling process, the motor 7201 and other components operate, the output pulley 7203 rotates, and through the transmission belt 7205, all driven wheels 5202 rotate, and all skewer positioning mechanisms 5200 rotate, forming the effect of the skewers 9 rotating, and heating evenly.

[0083] If you need to move the position of some skewers 9 relative to the heating source 8200, simply rotate the handle 4208 to create a revolution effect.

[0084] When the set timer expires, the red LED 5212 illuminates, allowing the user to open the door 6200, remove the skewer 91, and enjoy the grilled skewer 9. The LED 5212 then turns off. To continue grilling, a new skewer 91 can be inserted into the empty end hole 5207 of the skewer positioning mechanism 5200, the door 6200 closed, and grilling can continue until cooked. In this second embodiment, the motor 7201 is not braked or stopped during grilling, as its rotation speed is low and will not cause any operational inconvenience.

[0085] This process is repeated.

[0086] As shown in Figures 18-24, especially Figure 23, the portable barbecue equipment embodiment three provided in this application mainly includes a base 1300, an oil tray 2300, a support frame 3300, a top cover 4300, a skewer positioning mechanism 5300, and a door 6300, viewed from the outside. For ease of movement, a handle 4308 is also provided on the top of the top cover 4300. Preferably, the handle 4308 is an inverted U-shape, with both ends fixed to the top cover 4300. Further, as shown in Figures 19 and 24, bolts and other fasteners pass through the top cover 4300 and are fixedly connected to two pads inside it, which are then connected to the crossbeam 4301 described below.

[0087] In Embodiment 3, the relative positions, connections, and main functions of the base 1300, oil tray 2300, support frame 3300, top cover 4300, and door leaf 6300 are similar to those in Embodiment 1, and will not be described in detail here. The hollow structure and function of the support frame 3300, the handle 6301 of the door leaf 6300 and the guide plate 6302 on the inner wall, the hinge 6303 for connecting the door leaf 6300 and the support frame 3300, and the position sensor 6304 for detecting the opening / closing of the door leaf 6300 are all similar to those in Embodiment 1, and will not be described in detail here.

[0088] As shown in Figures 19 and 23, Embodiment 3 includes an arc-shaped partition 6305. Although not described in Embodiment 1, this arc-shaped partition 6305 can also be provided. The arc-shaped partition 6305 is a narrow arc shape. One side is fixed to the inner wall of a corresponding door leaf 6300, and the other side is close to the grill skewer 9. Its height is slightly higher than the upper end of the heating source 8300. This not only prevents heat loss but also prevents hot air from flowing upward and damaging the drive mechanism, time indicator mechanism, etc. above.

[0089] The top cover 4300 is basically located at the top of Embodiment 3. It is used to cover and protect the drive mechanism, transmission mechanism, control device, grilling skewer positioning mechanism, time indication mechanism, etc. inside. The overall structure is also similar to a bowl-shaped structure with the opening facing downwards.

[0090] As shown in Figures 19, 20, and 24, inside the top cover 4300, a crossbeam 4301 is connected to the upper end of the support frame 4300. This crossbeam 4301 provides a stable base for several other components, such as the power output mechanism, multiple support connectors, the revolution drive mechanism, and the rotation drive mechanism, all of which directly or indirectly rely on the stable support of the crossbeam 4301. The power output mechanism includes not only the motor 7301, the reduction gearbox 7302, and the output gear 7103, but also a controller that controls the operation of the motor 7301. The controller is not shown in the figures (because the technology used by the controller to control the motor is conventional), and this controller is connected to the aforementioned position sensor 6304. Its function is similar to that of Embodiment 1 and will not be described again.

[0091] Support connectors are a general term for a class of devices, including not only the aforementioned crossbeam 4301, but also connecting rods 4304 and 4305, pads 4307 and 43011, connecting cylinders 4314, etc., and several unmarked components, such as bases and corresponding fasteners that provide support for the motor 7301, gearbox 7302, and output gear 7103. Different solutions formed by support connectors of different numbers, shapes, and positions should all be considered within the scope of protection of this application.

[0092] Further elaboration: The crossbeam 4301 is a flat rod, with one end fixed to the top of the support frame 3300. Both ends are connected to the protective ring 4302 via connecting rods 43011. The protective ring 4302 is annular, with a large hollow area in the middle for accommodating and allowing the drive mechanism to pass through. Its outer edge is close to the inner wall of the top cover 4300. Its function is similar to that of Embodiment 1 and will not be described further. The pad 4307 is approximately disc-shaped and is fixed to the middle section of the crossbeam 4301 via bolted connecting rods 4304. Its function is similar to that of Embodiment 1 and will not be described further. The power output mechanism of Embodiment 3 includes a motor 7301, a reduction gearbox 7302, an output gear 7303, and a controller, all fixed to the crossbeam 4301 via a connecting plate. The motor 7301, reduction gearbox 7302, and output gear 7303 are connected sequentially. The connection method and the controller's control of the motor are conventional technologies and will not be described further.

[0093] The revolution drive mechanism drives the skewer positioning mechanism 5300 to rotate around the heating source 8300, specifically the skewer 9. The rotation drive mechanism drives the skewer positioning mechanism 5300 to rotate itself. The revolution drive mechanism includes a rotating gear disk 7304, which is disc-shaped. The outer edge of the rotating gear disk 7304 has teeth that mesh with the output gear 7303. Multiple skewer positioning mechanisms 5300 are fixed to the inner side of the outer edge by nuts, as shown in the figure. A position sensor 5313 is provided on one side of this type of nut. The multiple skewer positioning mechanisms 5300 are arranged in a ring below the rotating gear disk 7304. In the vertical direction, the rotating gear 7304 is located below the pad 4307 and above the stationary gear 7306. When the output gear 7303 drives the rotating gear 7304 to rotate, the rotating gear 7304 can rotate accordingly, thereby driving the multiple skewer positioning mechanisms 5300 mounted on it to rotate, forming a "revolution" effect. In this way, the skewers 9 can pass through every position on the circumference of the heating source 8300. It should be noted that components with different heights but a stacked relationship can be spaced apart by shims, collars, plane bearings, etc., to reduce friction. Such structures are commonly used in the prior art and will not be described in detail here.

[0094] The self-rotation drive mechanism includes a driven gear 7305 and a stationary gear disk 7306. The stationary gear disk 7306 remains stationary during use, and its height is lower than that of the rotating gear disk 7304. Ball bearings or similar components can be used to space them, reducing friction and limiting their relative positions. A bolt-like connecting rod 4305, with its large end facing down, has its threaded end passing through both the stationary gear disk 7306 and the rotatable rotating gear disk 7304 before being screwed into a pad 4307. This rod serves multiple functions, including supporting the stationary gear disk 7306 and the rotating gear disk 7304. From this description, it can be seen that the revolution drive mechanism in Embodiment 3 is similar to that in Embodiment 1, using an output gear to drive the rotating gear disk to rotate, thereby causing all the skewers placed on it to revolve. The self-rotation drive mechanism is also similar to that in Embodiment 1, using a driven wheel (driven gear) fixedly connected to the skewer positioning mechanism to receive power. The driven gear meshes with a stationary gear disk to achieve self-rotation.

[0095] The passive gear 7305 is fixedly connected to the upper sleeve of the skewer positioning mechanism 5300, and the two can rotate simultaneously. As shown in Figures 19 and 24, the skewer positioning mechanism 5300 of Embodiment 3 is similar to that of Embodiment 2, and the corresponding figures of Embodiment 2 can be referred to. It mainly includes a spring, an upper sleeve, a lower sleeve, a collar (no reference numerals are used in the figures for simplicity), and auxiliary gaskets, etc. The upper sleeve has a hollow cylindrical structure, with the upper end extending out of the rotating gear 7304 and fixedly connected by a nut. It should be emphasized that the nut does not fix the skewer positioning mechanism 5300 to the rotating gear 7304, and cannot fix it, because the skewer positioning mechanism 5300 also needs to rotate, as is the case in Embodiment 1. The passive gear 7305 and the upper sleeve are fixedly connected. When the passive gear 7305 rotates, it can drive the upper sleeve to rotate. The lower end of the upper sleeve is fixedly connected to the lower sleeve. Similar to Embodiment 2, the inner wall of the lower sleeve can also be threaded to the outer wall of the upper sleeve. The side wall of the lower sleeve is provided with a through hole, the lower end of the spring is bent and inserted into the through hole, and the upper end is fixed to the lower sleeve by a collar. When the skewer 91 of the grill skewer 9 is inserted from the lower sleeve, the lower end of the spring can tightly abut against the skewer, thereby preventing the skewer 91 from slipping off.

[0096] Similar to other embodiments, Embodiment 3 also includes a time-indicating mechanism. Preferably, the time-indicating mechanism in Embodiment 3 includes a position sensor 5313, a trigger rod (not labeled), a time controller, and a light-emitting diode 5312 connected by a cable. The time controller is not shown in the figure. Because the trigger rod and the position sensor 5313 used in Embodiment 3 are similar to those in Embodiment 2, as shown in Figure 11, the trigger rod has a cross-section resembling a T-shape, with a large lower end that slidably rests in the lower sleeve, and a straight upper end that extends out of the upper sleeve, corresponding to the position sensor 5313, which is fixed to the rotating gear disk 7304. The quantity, type, and alternative solutions of the time controller, position sensor, and light-emitting diode are similar to those in Embodiment 1, and will not be repeated here.

[0097] It should be noted that the time-notification mechanism in Embodiment 3 requires external power. Simultaneously, the revolution drive mechanism continuously drives multiple skewer positioning mechanisms in circular motion. To avoid cable tangling, Embodiment 3 provides a new power supply solution, including a conductive ring 5320 and a conductive contact 5321. The conductive contact 5321 is fixed to the crossbeam 4301 via a mounting base (not marked). One end of the conductive contact 5321 is connected to the power supply cable, and the other end slides in contact with the conductive ring 5320 below. Preferably, the conductive contact 5321 is columnar and movably disposed in a deep hole in the mounting base. A spring is provided at the upper end, which drives the conductive contact 5321 to tightly contact the conductive ring 5320 to prevent poor contact or obstructed conductivity. The conductive ring 5320 is circular and is laid on the rotating gear disk 7304 around the rotation axis of the revolution drive mechanism. Devices that require electrical energy, such as time controllers, light-emitting diodes 5312 or position sensors 5313, can be directly connected to the conductive ring 5320, thereby forming a circuit structure of power supply cable, conductive contact 5312, conductive ring 5320 and electrical device, without cable tangling or twisting.

[0098] As shown in Figure 24, the connecting cylinder 4314 extends from top to bottom to a height roughly equivalent to the lower middle part of the door leaf 6300. A heating source 8300 is installed at the lower part of the connecting cylinder 4314. The power cable required for the heating source 8300 is arranged from top to bottom, for example, along the middle cavity of the support frame 3300, the central through hole of the pad 4307, the rotating gear 7304, the central hollow of the stationary gear 7303, and the connecting cylinder 4314. To prevent heat loss, Embodiment 3 also includes a partition 8301, which is located at the lower end of the connecting cylinder 4314 and is arranged in a ring shape, preferably a double-layer structure.

[0099] When applying this embodiment three, turn on the power to supply power to the heating source 8300 and other electrical components; open the door 6300, insert the skewer 91 of the skewer 9 into the lower sleeve of the skewer positioning mechanism 5300, the skewer 91 triggers the position sensor 5313, and the green light-emitting diode 5312 lights up. Of course, the two steps mentioned above can be interchanged.

[0100] During the grilling process, the revolution drive mechanism drives all the skewers 9 to rotate around the heating source 8300, while the rotation drive mechanism drives the skewer positioning mechanism 5300 of each skewer 9 to rotate around itself. The heating source 8300 radiates heat in all directions, and the oil and moisture from the skewers 9 splatter everywhere, falling along the inner surface of the door panel 6300 / drain plate 6302 into the oil collection tray 2300.

[0101] When the preset baking time is reached, for example, five minutes, the red LED 5312 lights up, and the user sees the prompt and opens the door 6300. The position sensor 6304 detects that the door 6300 is open and sends the signal to the controller of the motor 7301, controlling the motor 7301 to brake, making it easier to pick up and put down the skewers 9.

[0102] Remove the cooked skewer 9, and LED 5312 turns off. Place a fresh skewer on top, and position sensor 5313 detects the new skewer, starts the timer, and green LED 5312 lights up.

[0103] When door 6300 is closed, position sensor 6304 detects that the door is closed and sends the trigger signal to the controller. The controller then controls motor 7301 and transmission mechanism to operate, continuing to drive the revolution drive mechanism and rotation drive mechanism to rotate.

[0104] This process is repeated.

[0105] It is important to emphasize that the above embodiments all include a skewer positioning mechanism, a revolution drive mechanism, a rotation drive mechanism, and a connection between the three, enabling them to work together to form an indispensable supporting connection for the entire device. The specific configuration of these three components can be varied, and the support frame providing support and connection is not mandatory. A heating source is also not considered essential in this application; for example, charcoal, heating pipes, etc., can be used as heating sources, and hooks can be used to suspend the skewer positioning mechanism, revolution drive mechanism, and rotation drive mechanism above the heating source. For this application, an outer shell is also not necessary. Although an outer shell provides insulation, prevents heat loss, prevents grease splattering, and prevents dust contamination of the skewers, it is unnecessary if these effects are not considered. Obviously, if an outer shell is provided, a space must be provided inside the shell to hold the skewers. In other embodiments, the door can form part of the outer shell, not the entirety of the above embodiments. For example, the outer shell may not be continuous but has an opening, and the door can cover this opening, allowing skewers to still be placed and removed. In other words, the specific structure of this application has a wide range of technical means to choose from and is not limited to the above-mentioned multiple embodiments, but they should all be included within the protection scope of this application.

[0106] In summary, this application has multiple advantages: the revolution drive mechanism enables the skewers to rotate around the heating source, allowing each skewer to be exposed to heat from every direction; the rotation drive mechanism enables the skewers to move around themselves, ensuring that each position on each skewer directly receives heat from the heating source; the skewer positioning mechanism allows for quick and convenient insertion / removal of skewers, even without stopping the machine; the time indicator mechanism detects the cooking time and provides an alert, resulting in more delicious skewers, and so on.

[0107] It should be understood that all changes equivalent to those in this application are also included in this application.

Claims

1. A barbecue device with independently controlled grilling time, characterized in that, include: A skewer positioning mechanism is used to fix individual skewers and limit the food part of the skewers to the outer circumference of a heating source; The time indication mechanism corresponds one-to-one with the skewer positioning mechanism and includes an electrically connected position sensor, controller, indication device, and power supply. The position sensor corresponds to the skewer fixed on the skewer positioning mechanism.

2. The barbecue equipment according to claim 1, characterized in that, The skewer positioning mechanism has a notch for clamping skewers, and the position sensor is located at the notch of the skewer positioning mechanism to detect whether a skewer is present in the notch.

3. The barbecue equipment according to claim 2, characterized in that, The controller, prompting device, and power supply are all located on the skewer positioning mechanism.

4. The barbecue equipment according to claim 1, characterized in that, The time indication mechanism includes a trigger rod, one end of which corresponds to the position sensor. The skewer positioning mechanism has a through hole for accommodating the trigger rod and the skewer. The trigger rod is movably disposed in the through hole, so that after the skewer is inserted into the through hole, it drives the trigger rod to move, thereby triggering the position sensor.

5. The barbecue equipment according to claim 4, characterized in that, The trigger rod has a stepped structure, and the through hole is stepped to define the position of the trigger rod and prevent the trigger rod from disengaging from the through hole.

6. The barbecue equipment according to claim 5, characterized in that, The sidewall of the through hole is provided with a spring piece that extends into the through hole.

7. The barbecue equipment according to claim 4, characterized in that, The time indication mechanism also includes a conductive contact and a conductive ring. The conductive contact is electrically connected to the power supply. The conductive contact slides in contact with the surface of the conductive ring. The conductive ring remains relatively stationary and electrically connected to the controller, the indication device, and the position sensor.

8. The barbecue equipment according to any one of claims 1-7, characterized in that, The indicator devices include a red LED for indicating that the skewers are cooked through, and a green LED for indicating that the skewers are stuck in the grill.