A fully automatic fresh-keeping pet feeder and its control method

Abstract

The present invention discloses a fully automatic fresh-keeping pet feeder and a control method thereof, belonging to the technical field of pet supplies. In response to the problem of limited practicality of pet feeders, the present invention provides a fully automatic fresh-keeping pet feeder, comprising a feeding bowl, the feeding bowl comprising a first receiving slot and a second receiving slot arranged in mirror image, a movable bowl cover and a fixed bowl cover stacked above the feeding bowl, the movable bowl cover and the fixed bowl cover both being compatible with the first receiving slot / the second receiving slot, the rotational speed ratio of the movable bowl cover and the feeding bowl being 2:1, the movable bowl cover and the fixed bowl cover being further connected to a gas filling device, the gas filling device being used to deliver protective gas into the feeding bowl through the edges of the movable bowl cover and the fixed bowl cover. The present invention achieves the substantial isolation of the food in the feeding bowl from the external environment, thereby achieving food freshness preservation, while at the same time ensuring that the food is substantially protected by the protective gas, further improving the freshness preservation performance and improving practicality.

Description

Technical Field

[0001] The present invention relates to the technical field of pet products, and in particular to a fully automatic fresh-keeping pet feeder and a control method thereof. Background Art

[0002] A pet feeder is a device used to hold pet food for consumption, typically including at least a feeding bowl. There are two common types of pet feeders on the market: simple feeders, with a permanently open bowl, allowing pets to eat at any time. However, users cannot monitor their pet's food intake, and the food can easily spoil. Automatic feeders, on the other hand, allow pets to eat at set times and in fixed quantities. However, they have specific requirements for food quality and are only suitable for low-humidity dry food or freeze-dried food. Furthermore, the bowl remains open until the food is completely consumed, making the food easily spoiled.

[0003] There are corresponding improvements in the existing technology to address the above-mentioned problems. For example, a Chinese patent application with a publication date of 2019-4-23 and publication number CN208768699U discloses a pet feeder, which includes a feeder shell, a feeding bowl, a fresh-keeping cover, a single-chip computer information processing module and an infrared sensor. The feeding bowl is arranged in the feeder shell, the infrared sensor is arranged at the front end of the feeder shell, the fresh-keeping cover is arranged on the feeding bowl, and the fresh-keeping cover can be opened and closed on the feeder shell. The infrared sensor and the single-chip computer information processing module are connected; the infrared sensor is used to detect the approach of a pet or a human body and transmit the signal to the single-chip computer information processing module, and the single-chip computer information processing module controls the fresh-keeping cover to open or close. The utility model can keep pet food fresh, ensure the pet's appetite, and save more food. The shortcoming of this solution is that the single feeding bowl and the corresponding fresh-keeping cover that controls the opening and closing make the pet feeder unable to distinguish between different types of food and unable to distinguish between the corresponding types of food.

[0004] For example, a Chinese patent application with a publication date of 2010-6-2 and a publication number of CN201491588U discloses an automatic pet feeder, which is characterized in that: the automatic pet feeder includes a chassis (1) and a rotary cover (8), the center of the chassis (1) is an electric box (2), and the area between the electric box (2) and the outer wall of the chassis (1) is evenly divided into a plurality of food grids (3) along the circumferential direction; the electric box (2) includes a motor (4), a battery box (5) and a controller (6), the outer wall of the chassis (1) is provided with three timing keys (7), wherein the controller (6) is a single-chip minimum system, the three timing keys (7) are connected to the input interface of the controller (6), and the output interface of the controller (6) is connected to the motor (4); a sleeve hole (9) is provided in the center of the rotary cover (8) to match the rotating shaft of the motor (4), and a feeding window (10) is also provided on the rotary cover (8) that is perpendicular to the food grid (3) and has the same shape and size. This utility model is highly practical. It can automatically feed pets, pre-set different food amounts for each meal, and set the feeding interval according to the pet's physical condition, which can effectively protect the pet's healthy growth. Although this solution can place and open and close different types of food, its disadvantage is that it requires a food compartment to be vacant, which wastes space and reduces the overall amount of food that can be placed, making it less practical.

[0005] Meanwhile, most of the prior art uses closed feeding bowls to achieve the preservation effect, but simply being closed has limited preservation effect, which in turn leads to limited practicality.

[0006] Therefore, in view of the above problems, it is necessary to propose further solutions to at least solve one of the problems. Summary of the Invention

[0007] In order to solve the problem of limited practicality of related pet feeders, the present invention provides a fully automatic fresh-keeping pet feeder and a control method thereof. The technical solution is:

[0008] A fully automatic fresh-keeping pet feeder includes a feeding bowl, which includes a first receiving slot and a second receiving slot arranged in mirror image. A movable bowl cover and a fixed bowl cover are stacked on top of the feeding bowl, and the movable bowl cover and the fixed bowl cover are both adapted to the first receiving slot / the second receiving slot. The movable bowl cover is connected to a driving mechanism to rotate horizontally about the center line of the feeding bowl and relative to the fixed bowl cover. The driving mechanism is also connected to the feeding bowl to drive it to rotate horizontally about its own center line and relative to the movable bowl cover. The rotational speed ratio of the movable bowl cover and the feeding bowl is 2:1. The movable bowl cover and the fixed bowl cover are also connected to a gas filling device, which is used to deliver protective gas into the feeding bowl through the edges of the movable bowl cover and the fixed bowl cover.

[0009] In a preferred embodiment of the present invention, the gas filling device includes a plurality of first air outlet holes and a plurality of second air outlet holes, the plurality of first air outlet holes are arranged on the edge of the movable bowl cover, and the plurality of second air outlet holes are arranged on the edge of the fixed bowl cover, and rotate with the movable bowl cover, the first air outlet holes and the second air outlet holes are used to deliver protective gas to one of the first containing tank or the second containing tank that is converted from an open state to a closed state.

[0010] In a preferred embodiment of the present invention, the movable bowl cover is arranged in the first reinforcement ring, and the two are integrally formed, and a first feeding window is formed. The fixed bowl cover is arranged in the second reinforcement ring, and the two are integrally formed, and a second feeding window is formed. The gas filling device includes a plurality of first air outlets and a plurality of second air outlets. The plurality of first air outlets are arranged at the edge of the first feeding window, and the plurality of second air outlets are arranged at the edge of the second feeding window, and rotate with the movable bowl cover. The first air outlets and the second air outlets are used to deliver protective gas to one of the first containing tank or the second containing tank that is converted from an open state to a closed state.

[0011] In a preferred embodiment of the present invention, the air outlet directions of at least part of the first air outlet holes and at least part of the second air outlet holes are perpendicular to the horizontal plane.

[0012] In a preferred embodiment of the present invention, the air outlet directions of at least part of the first air outlet holes and at least part of the second air outlet holes are inclined downward and respectively toward the center lines of the corresponding first feeding window and second feeding window.

[0013] In a preferred embodiment of the present invention, a weighing mechanism is provided below the feeding bowl, the weighing mechanism includes a weighing sensor, a tray fixing member is provided above the weighing sensor, a weighing tray is provided above the tray fixing member, and the weighing tray is used to carry the feeding bowl.

[0014] In a preferred embodiment of the present invention, a grating sensor is further included, and the grating sensor is used to detect the orientation of the movable bowl cover.

[0015] In a preferred embodiment of the present invention, the first receiving tank and / or the second receiving tank is a disposable bowl tank.

[0016] Another technical solution is: a control method for a fully automatic fresh-keeping pet feeder, comprising:

[0017] In response to the instruction to close the feeding bowl, query whether the latest position signal is an open position signal. If so, start the gas filling device to deliver protective gas into the feeding bowl, and simultaneously or after waiting for m seconds, drive the movable bowl cover and the feeding bowl to rotate at a speed ratio of 2:1;

[0018] In response to the first rotation position signal, the gas filling device is closed to stop supplying the protective gas into the feeding bowl, and the rotation speeds of the movable bowl cover and the feeding bowl are increased;

[0019] In response to the second rotation-to-position signal, reducing the rotation speeds of the movable bowl cover and the feeding bowl;

[0020] In response to the closing position signal, the driving of the movable bowl cover and the feeding bowl to rotate is stopped; wherein,

[0021] When the movable bowl cover rotates α relative to the fixed bowl cover, a first rotation position signal is generated;

[0022] When the movable bowl cover rotates β relative to the fixed bowl cover, a second rotation position signal is generated;

[0023] And 0°<α<β<180°.

[0024] In a preferred embodiment of the present invention, the present invention comprises:

[0025] The weight of the feeding bowl is detected, and if the weight of the feeding bowl changes from continuously decreasing to remaining unchanged within n seconds, the feeding bowl closing instruction is generated.

[0026] In a preferred embodiment of the present invention, the present invention comprises:

[0027] Control the maximum load of the feeder based on the preset pet feeding model and the preset food spoilage model;

[0028] In response to the first generated one of the weight-exceeding signal and the volume-exceeding signal, an alarm signal is sent; wherein,

[0029] The overweight signal indicates that the weight of the food in the feeder exceeds its maximum load capacity, and the overvolume signal indicates that the volume of the food in the feeder exceeds its maximum volume.

[0030] Compared with the prior art, the present invention has the following beneficial effects:

[0031] The present invention provides a feeding bowl including a first receiving groove and a second receiving groove arranged in mirror images, and a movable bowl cover and a fixed bowl cover are stacked on top of the feeding bowl. The movable bowl cover and the feeding bowl both rotate with a rotation speed ratio of 2:1, so that the first receiving groove and the second receiving groove can be opened and closed and food can be placed, thereby avoiding space waste of the feeder and improving practicality. In addition, the present invention basically isolates the food in the feeding bowl from the external environment through the movable bowl cover and the fixed bowl cover, thereby realizing food preservation. At the same time, protective gas is delivered to the feeding bowl through the gas filling device, so that the food is basically protected by the protective gas, further improving the preservation performance and improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic structural diagram of the present invention, wherein the first receiving groove is in an open state;

[0033] Figure 2 It is an explosion diagram of the present invention;

[0034] Figure 3 Schematic diagram of the gear assembly structure in the drive mechanism of the present invention;

[0035] Figure 4 Schematic diagram of the structure of the position detection mechanism of the present invention;

[0036] Figure 5 Schematic diagram of the structure of the weighing mechanism of the present invention;

[0037] Figure 6 It is a schematic structural diagram of a movable bowl cover and a fixed bowl cover in another embodiment.

[0038] Specifically, 100, base; 101, battery slot; 110, battery cover;

[0039] 200. Main shell;

[0040] 210, weighing sensor; 211, tray fixing piece; 212, weighing tray; 2121, extension rod;

[0041] 220, feeding bowl; 221, first receiving tank; 222, second receiving tank; 223, plug-in cylinder; 224, rotating cylinder;

[0042] 230, movable bowl cover; 231, first reinforcement ring; 232, rotating rod; 233, first air outlet;

[0043] 240, fixed bowl cover; 241, second reinforcement ring; 242, second air outlet;

[0044] 250, driving mechanism; 251, driving gear; 252, first driven gear; 253, second driven gear; 254, third driven gear; 255, fourth driven gear;

[0045] 260, sensor body; 261, grille plate; 2611, first light hole; 2612, second light hole; 2613, third light hole; 2614, fourth light hole; 2615, fifth light hole; 2616, sixth light hole;

[0046] 270, main control board; 271, signal receiver; 272, infrared sensor; 273, button;

[0047] 300, fence; 310, opening. DETAILED DESCRIPTION

[0048] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0049] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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, and therefore cannot be understood as limiting the scope of protection of the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0050] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0051] The vertical direction refers to the direction perpendicular to the horizontal plane. When the product is placed normally, its placement surface is parallel to the horizontal plane.

[0052] The center line of the feeding bowl refers to the straight line passing through the center point of the feeding bowl mouth and perpendicular to the horizontal plane.

[0053] Example 1:

[0054] like Figure 1 and Figure 2As shown, a fresh-keeping pet feeder includes a base 100 and a main shell 200 arranged on the base 100. A feeding bowl 220 is arranged on the main shell 200. Generally speaking, the feeding bowl 220 is a round bowl. A movable bowl cover 230 and a fixed bowl cover 240 are stacked above the feeding bowl 220. It can be understood that the fixed bowl cover 240 generally does not rotate, while the movable bowl cover 230 rotates. The movable bowl cover 230 and the fixed bowl cover 240 are generally arranged in a semicircular shape. When the movable bowl cover 230 and the fixed bowl cover 240 basically completely overlap in the vertical direction, the feeding bowl 220 is opened the most for the pet to eat. When the movable bowl cover 230 and the fixed bowl cover 240 overlap the least in the vertical direction, the feeding bowl 220 is completely closed, thereby basically isolating the food in the feeding bowl 220 from the external environment, thereby achieving food freshness. In addition, this feeder can automatically control the pet's eating frequency by controlling the relative position of the movable bowl cover 230 and the feeding bowl 220, thereby achieving control of the pet's food intake.

[0055] like Figure 3 As shown, the feeding bowl 220 includes a first receiving groove 221 and a second receiving groove 222 arranged in a mirrored manner, that is, the first receiving groove 221 and the second receiving groove 222 are semicircular, so that different types of food can be placed. For example, daily pet food generally includes dry food with low humidity and canned food with high humidity. Different types of food can increase the pet's interest in eating. The arrangement of the first receiving groove 221 and the second receiving groove 222 is also particularly suitable for households with multiple pets. In particular, when a pet requires prescription food, regular food and prescription food can be placed separately, and food can be provided in accordance with the pet's identification to prevent accidental ingestion. The first receiving groove 221 and / or the second receiving groove 222 are preferably disposable bowls, so they can be directly replaced without cleaning, improving convenience and hygiene.

[0056] At this time, preferably, the movable bowl cover 230 and the fixed bowl cover 240 are both adapted to the first accommodating groove 221 / the second accommodating groove 222, that is, the sizes of the movable bowl cover 230 and the fixed bowl cover 240 can cover the first accommodating groove 221 and the second accommodating groove 222, and when the movable bowl cover 230 and the fixed bowl cover 240 completely overlap in the vertical direction, the first accommodating groove 221 or the second accommodating groove 222 can be basically fully opened.

[0057] In order to enable the first receiving slot 221 and the second receiving slot 222 to be open, the movable bowl cover 230 is connected to a driving mechanism 250 to rotate horizontally around the center line of the feeding bowl 220 and relative to the fixed bowl cover 240. The driving mechanism 250 is also connected to the feeding bowl 220 to drive it to rotate horizontally around its own center line and relative to the movable bowl cover 230. The rotational speed ratio of the movable bowl cover 230 and the feeding bowl 220 is 2:1. It can be understood that in order to achieve the continuous control of the driving mechanism 250 to achieve the open state of the feeding bowl 220 so that the first receiving slot 221 or the second receiving slot 222 is basically fully opened, preferably, the initial assembly state of the feeder is that the movable bowl cover 230 and the fixed bowl cover 240 are completely overlapped in the vertical direction, and the first receiving slot 221 or the second receiving slot 222 is basically fully opened (hereinafter taking the first receiving slot 221 being basically fully opened as an example, as shown in FIG. Figure 1 As shown), in conjunction with the control of the driving mechanism 250, the next feeder closed state is that the movable bowl cover 230 rotates 1 / 2 circle to the opposite side, and the feeding bowl 220 rotates 1 / 4 circle until half of the first receiving groove 221 and half of the second receiving groove 222 are located below the movable bowl cover 230; the next feeder open state is that the movable bowl cover 230 rotates 1 / 2 circle to the initial assembly position, and the feeding bowl 220 rotates 1 / 4 circle until the second receiving groove 222 is basically fully opened; ... thereby completing the automatic feeding of the feeder.

[0058] In order to improve the rotation stability of the movable bowl cover 230, the movable bowl cover 230 is preferably arranged in the first reinforcement ring 231, and the two are integrally formed. Figure 2 As shown, the movable bowl cover 230 is essentially a semicircular shape that fits within the receiving groove of the feeding bowl 220. It is located inside one side of the first reinforcement ring 231, with the two connected by an arc. The fixed bowl cover 240 can also be located within the second reinforcement ring 241, and the two are integrally formed, similar to the movable bowl cover 230 and the first reinforcement ring 231. The second reinforcement ring 241 can also extend downward a distance, allowing the fixed bowl cover 240 to sit on the main housing 200.

[0059] In order to realize that the driving mechanism 250 drives the movable bowl cover 230 and the feeding bowl 220 to rotate at the same time, the driving mechanism 250 may include two motors for separate control, or a single motor and a gear assembly may be used to achieve control. Figure 3As shown, the drive mechanism 250 includes a motor (not shown in the figure), the output shaft of the motor is connected to a gear assembly, one gear in the gear assembly is connected to the feeding bowl 220 and drives it to rotate synchronously, and another gear in the gear assembly is connected to the movable bowl cover 230 and drives it to rotate synchronously, and the transmission ratio of the gear connected to the feeding bowl 220 and the gear connected to the movable bowl cover 230 is 1:2. Specifically, the gear assembly includes a driving gear 251 coaxially connected to the output shaft of the motor (not shown in the figure), the driving gear 251 is meshed with a first driven gear 252, the first driven gear 252 is meshed with a second driven gear 253, the second driven gear 253 is coaxially connected to a third driven gear 254, and the third driven gear 254 is meshed with a fourth driven gear 255, and the transmission ratio of the driving gear 251, the first driven gear 252, and the second driven gear 253 is 1:1:1, and the transmission ratio of the third driven gear 254 to the fourth driven gear 255 is 1:2. The first driven gear 252 is connected to the feeding bowl 220 and drives it to rotate synchronously. The first driven gear 252 can be coaxially connected to the rotating cylinder 224, which is coaxially connected to the feeding bowl 220. The fourth driven gear 255 is connected to the movable bowl cover 230 and drives it to rotate synchronously. The rotating cylinder 224 can be provided with a rotating rod 232, one end of which is coaxially connected to the fourth driven gear 255 and the other end is connected to the movable bowl cover 230. Preferably, the feeding bowl 220 is provided with a plug-in cylinder 223 in the center, and the rotating cylinder 224 is plugged into the plug-in cylinder 223 to drive the plug-in cylinder 223 to rotate synchronously. The movable bowl cover 230 can also be provided with a plug-in cylinder in the center, and the rotating rod 232 is plugged into the plug-in cylinder to drive the plug-in cylinder to rotate synchronously.

[0060] The feeder may also include a grating sensor, which is used to detect the orientation of the movable bowl cover 230, realize the rotation and positioning of the movable bowl cover 230, and facilitate the control of the motor. At this time, the driving mechanism 250 also includes a driving controller. Those skilled in the art know that the grating sensor includes a sensor body 260 and a grille plate 261. The sensor body 260 includes a transmitting end and a receiving end that are arranged opposite to each other. A light hole is provided on the grille plate 261. The grille plate 261 rotates between the transmitting end and the receiving end. When the light hole rotates to between the transmitting end and the receiving end, it rotates to the detection position of the sensor body 260, thereby realizing the orientation detection of the grille plate 261, that is, realizing the orientation detection of the movable bowl cover 230. Specifically, as Figure 4As shown, a rotating rod 232 is connected to the movable bowl cover 230, and a grating sensor is provided near the rotating rod 232. A grille plate 261 is coaxially connected to the rotating rod 232. A first light hole 2611 and a second light hole 2612 are respectively provided on the grille plate 261 at both ends of the closing path of the movable bowl cover 230. In this embodiment, the movable bowl cover 230 and the fixed bowl cover 240 are both substantially semicircular, so the first light hole 2611 and the second light hole 2612 are centrally symmetrically provided on the grille plate 261. The first light hole 2611 and the second light hole 2612 can determine the open or closed state of the feeding bowl 220, that is, the open or closed state of the movable bowl cover 230. It is understood that the fixed bowl cover 240 is disposed between the first light hole 2611 and the second light hole 2612. The grille plate 261 also has a third light hole 2613, which is located in the closing path of the movable bowl cover 230. Specifically, when the rotating rod 232 drives the movable bowl cover 230 to rotate from an open state to a closed state (i.e., the movable bowl cover 230 rotates along a closing path), the first light hole 2611, the third light hole 2613, and the second light hole 2612 are sequentially located at the detection position of the sensor body 260 as the grille plate 261 rotates. Furthermore, when the sensor body 260 detects the third light hole 2613, the drive controller controls the motor to pause for a period of time before restarting, and / or the motor is a variable speed motor. When the detection position of the sensor body 260 is between the third light hole 2613 and the second light hole 2612, the drive controller controls the motor to decelerate. By pausing the motor or decelerating the motor, the feeder provides time for the pet's head or paws to leave the feeding bowl 220, thereby preventing the pet from being pinched. Preferably, the angle between third light hole 2613 and second light hole 2612 is acute. That is, third light hole 2613 is located near the closed end of the closing path of movable bowl cover 230. Since grille plate 261 rotates synchronously with movable bowl cover 230, the angle between the exposed space between movable bowl cover 230 and fixed bowl cover 240 is also acute, indicating that movable bowl cover 230 is in a nearly closed state. The angle between third light hole 2613 and second light hole 2612 is preferably 30°-50°, providing sufficient clearance for pet paws to escape.

[0061] To ensure accurate closure of the movable bowl cover 230, a deceleration light hole is provided in front of both the first light hole 2611 and the second light hole 2612. This allows the drive controller to control the motor to make appropriate changes when the movable bowl cover 230 rotates to the appropriate position. Specifically, when the detection position of the sensor body 260 is between the deceleration light hole and the first light hole 2611 / the second light hole 2612, the drive mechanism 250 operates at a deceleration speed. Preferably, the deceleration light hole located in front of the second light hole 2612 coincides with the third light hole 2613. In this embodiment, the deceleration light holes are the third light hole 2613 and the sixth light hole 2616. It will be understood that the front refers to the front side in the rotation direction of the grille plate 261.

[0062] The grille plate 261 is further provided with a fourth light hole 2614 and a fifth light hole 2615 , which are respectively arranged behind the second light hole 2612 and the first light hole 2611 to achieve positioning at the intermediate state of the rotation of the movable bowl cover 230 .

[0063] like Figure 5 As shown, a weighing mechanism can also be provided below the feeding bowl 220 to understand the amount of food consumed by the pet. The weighing mechanism includes a weighing sensor 210, a tray fixing member 211 is provided above the weighing sensor 210, and a weighing tray 212 is provided above the tray fixing member 211. The weighing tray 212 is used to carry the feeding bowl 220. The weighing tray 212 and the main housing 200 can be integrally formed. The weighing sensor 210 is provided on the base 100. It is understood that at this time, the main housing 200 and the base 100 are not fixed, and there is a certain gap between the two for weighing. In this embodiment, to facilitate the installation of other components, an extension rod 2121 is provided below the weighing tray 212, which is connected to the tray fixing member 211 via the extension rod 2121.

[0064] A signal receiver 271 for receiving pet ID information may also be provided within the base 100 or main housing 200. For example, a pet may be wearing a collar with a built-in electronic tag containing the pet's ID information. The signal receiver 271 serves as a corresponding reader, enabling a multi-pet household to understand each pet's eating habits or provide different foods for different pets. Preferably, the feeder also includes a fence 300 disposed circumferentially around the feeding bowl 220. The fence 300 defines an opening 310, which is positioned away from the fixed bowl lid 240 to facilitate feeding for the pet and minimize the possibility of the pet touching the bowl lid, which could cause the feeder to malfunction. The opening 310 can be sized to accommodate only one pet, thereby enabling a more accurate understanding of each pet's food intake in conjunction with a weighing mechanism.

[0065] The feeder further includes an infrared sensor 272 for detecting the position of the pet. The infrared sensor 272 can be disposed on the main housing 200.

[0066] The feeder also includes a main control panel 270. A button 273 connected to the main control panel 270 is provided on the base 100 or the main housing 200, facilitating direct manual operation without the need for an app. It will be appreciated that the main control panel 270 can be connected to the drive mechanism 250, the weighing mechanism, the grating sensor, the signal receiver 271, the infrared sensor 272, and other components to achieve intelligent control of the feeder.

[0067] The feeder also includes a power supply mechanism for powering the feeder. The power supply mechanism includes a battery and a socket for connecting to an external power source. Normally, the feeder is powered by a charger connected to the mains. During a power outage, the battery is used for power. The battery can be installed in the base 100. Specifically, the base 100 includes a battery slot 101, and a removable battery cover 110 is provided outside the battery slot 101.

[0068] Example 2:

[0069] Based on Example 1, in this embodiment, the movable bowl cover 230 and the fixed bowl cover 240 are further connected to a gas filling device, which is used to deliver protective gas into the feeding bowl 220 through the edges of the movable bowl cover 230 and the fixed bowl cover 240. The protective gas can be, but is not limited to, nitrogen, or a mixed protective gas mainly composed of nitrogen, thereby slowing the spoilage of food in the feeding bowl 220 and extending the freshness period. The fixed bowl cover 240 can be arranged above the movable bowl cover 230, with a main airway provided in the rotating rod 232, an airway I provided in the movable bowl cover 230, and an airway II provided in the fixed bowl cover 240, both of which are connected to the main airway.

[0070] like Figure 6 As shown, the gas filling device includes a plurality of first air outlet holes 233 and a plurality of second air outlet holes 242. The plurality of first air outlet holes 233 are arranged on the edge of the movable bowl cover 230 and are connected to the air channel I. The plurality of second air outlet holes 242 are arranged on the edge of the fixed bowl cover 240 and are connected to the air channel II, and rotate with the movable bowl cover 230. The first air outlet holes 233 and the second air outlet holes 242 are used to transport protective gas to the first receiving tank 221 or the second receiving tank 222, which is converted from an open state to a closed state, thereby reducing the consumption of protective gas while achieving freshness, thereby reducing costs. Figure 1For example, the first receiving tank 221 is in an open state, and the movable bowl cover 230 rotates clockwise. At this time, with the movable bowl cover 230 as the judgment basis, multiple first air outlet holes 233 can be set at the front edge of the movable bowl cover 230, and multiple second air outlet holes 242 can be set at the rear edge of the fixed bowl cover 240, so that when the movable bowl cover 230 and the feeding bowl 220 rotate clockwise at a speed of 2:1 to close the first receiving tank 221, the first air outlet holes 233 and the second air outlet holes 242 transport protective gas into the first receiving tank 221.

[0071] In another embodiment, when a first reinforcement ring 231 and a second reinforcement ring 241 are provided, that is, the movable bowl cover 230 is provided in the first reinforcement ring 231, and the two are integrally formed, and a first feeding window is formed, and the fixed bowl cover 240 is provided in the second reinforcement ring 241, and the two are integrally formed, and a second feeding window is formed. It can be understood that when the first feeding window and the second feeding window overlap, the feeding bowl 220 is in an open state, and when the first feeding window and the second feeding window do not overlap, the feeding bowl 220 is in a closed state. A plurality of first air outlets 233 are provided at the edge of the first feeding window, and a plurality of second air outlets 242 are provided at the edge of the second feeding window, and rotate with the movable bowl cover 230. The first air outlets 233 and the second air outlets 242 are used to deliver protective gas to one of the first receiving tank 221 or the second receiving tank 222 that is converted from an open state to a closed state. Figure 1 For example, when the first receiving tank 221 is open and the movable bowl cover 230 rotates clockwise, with the first feeding window as the reference, the left side of the centerline a is the front side, and the right side is the rear side. A plurality of first air outlets 233 are provided at the rear edge of the first feeding window, and a plurality of second air outlets 242 are provided at the front edge of the second feeding window. This allows the movable bowl cover 230 and the feeding bowl 220 to rotate clockwise at a speed of 2:1 to close the first receiving tank 221, so that the first air outlets 233 and the second air outlets 242 deliver protective gas into the first receiving tank 221. That is, in this embodiment, the first air outlets 233 and the second air outlets 242 are further provided along the corresponding portions of the first reinforcement ring 231 and the second reinforcement ring 241, as compared to the previous embodiment.

[0072] The air outlet direction of at least some of the first air outlet holes 233 and at least some of the second air outlet holes 242 is perpendicular to the horizontal plane, thereby effectively cleaning food residue from the top edge of the first receiving groove 221 or the second receiving groove 222. This is particularly effective in reducing food splattering caused by food accumulation after a pet eats, thereby reducing rotational jams caused by food accumulation and food residue dragging stains caused by rotation. Furthermore, the air outlet direction of at least some of the first air outlet holes 233 and at least some of the second air outlet holes 242 is tilted downward and toward the centerline of the corresponding first feeding window and second feeding window, respectively, thereby pushing food residue that splashes onto the edge of the first receiving groove 221 or the second receiving groove 222 back to the center area of ​​the receiving groove.

[0073] Example 3:

[0074] Based on Example 2, this embodiment discloses a control method for a fully automatic fresh-keeping pet feeder, including:

[0075] In response to the instruction to close the feeding bowl 220, the latest position signal is checked to see if it is an open position signal. If so, the gas filling device is started to deliver protective gas into the feeding bowl 220, and at the same time or after waiting for m seconds, the movable bowl cover 230 and the feeding bowl 220 are driven to rotate at a speed ratio of 2:1.

[0076] In response to the first rotation position signal, the gas filling device is closed to stop supplying shielding gas into the feeding bowl 220, and the rotational speed of the movable lid 230 and the feeding bowl 220 is increased. The specific value of m seconds and the rotational speed can be set based on the volume of the receiving tank of the feeding bowl 220 and the gas flow rate of the gas filling device, so that the gas filling device delivers an appropriate amount of shielding gas into the feeding bowl 220 as the movable lid 230 and the feeding bowl 220 rotate.

[0077] In response to the second rotation-in-position signal, the rotation speeds of the movable bowl cover 230 and the feeding bowl 220 are reduced to achieve precise closing of the movable bowl cover 230 .

[0078] In response to the closing position signal, the driving of the movable bowl cover 230 and the feeding bowl 220 to rotate is stopped.

[0079] When the movable bowl cover 230 rotates α relative to the fixed bowl cover 240, a first rotation-in-place signal is generated; when the movable bowl cover 230 rotates β relative to the fixed bowl cover 240, a second rotation-in-place signal is generated, 0°<α<β<180°, preferably, α is 30°-50°, and β is 130°-150°. It can be understood that the rotation of α or β of the movable bowl cover 230 relative to the fixed bowl cover 240 refers to the movable bowl cover 230 and the fixed bowl cover 240 from coincidence (0°) to relative rotation α or β.

[0080] The method further comprises:

[0081] The weight of the feeding bowl 220 is detected. If the weight of the feeding bowl 220 changes from continuously decreasing to remaining constant for n seconds, a command to close the feeding bowl 220 is generated. The n seconds can be set according to the pet's chewing habits during eating. If the weight remains constant for n seconds, it means that the pet is no longer eating.

[0082] The method further comprises:

[0083] The maximum load capacity of the feeder is controlled based on a preset pet feeding model and a preset food spoilage model.

[0084] The preset pet feeding model includes a model for obtaining a feeding list for a corresponding pet. The feeding list includes food types and daily food allowances. The pet's food can be directly input into the preset pet feeding model to obtain the pet's feeding list. The preset food spoilage model includes a model for obtaining a correspondence between the degree of food spoilage and ambient temperature for different food types. The food type and ambient temperature can be directly input into the preset food spoilage model to obtain the expected spoilage time for the food. The maximum load capacity of the feeder can be controlled based on the daily food allowance and expected spoilage time, thereby preventing food waste and pets from accidentally ingesting spoiled food.

[0085] In response to the first of the weight-exceeding signal and the volume-exceeding signal, an alarm signal is sent. The weight-exceeding signal indicates that the weight of the food in the feeder exceeds its maximum load capacity, and the volume-exceeding signal indicates that the volume of the food in the feeder exceeds its maximum capacity.

[0086] In summary, the present invention configures the feeding bowl to include a first receiving slot and a second receiving slot arranged in a mirror-image manner, and a movable bowl cover and a fixed bowl cover are stacked on top of the feeding bowl. The movable bowl cover and the feeding bowl both rotate, and the rotation speed ratio is 2:1, so that the first receiving slot and the second receiving slot can be opened and closed and food can be placed, thereby avoiding waste of space in the feeder and improving practicality. The present invention basically isolates the food in the feeding bowl from the external environment through the movable bowl cover and the fixed bowl cover, thereby achieving food preservation. At the same time, protective gas is delivered to the feeding bowl through the gas filling device, so that the food is basically protected by the protective gas, further improving the preservation performance and improving practicality.

[0087] Furthermore, it should be understood that the embodiments described are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

Claims

1. A fully automatic fresh-keeping pet feeder, including a feeding bowl, characterized in that: The feeding bowl includes a first receiving groove and a second receiving groove arranged in a mirror image. A movable bowl cover and a fixed bowl cover are stacked on top of the feeding bowl. The movable bowl cover and the fixed bowl cover are both adapted to the first receiving groove / the second receiving groove. The movable bowl cover is connected to a driving mechanism to rotate horizontally around the center line of the feeding bowl and relative to the fixed bowl cover. The driving mechanism is also connected to the feeding bowl to drive it to rotate horizontally around its own center line and relative to the movable bowl cover. The rotational speed ratio of the movable bowl cover and the feeding bowl is 2:

1. The movable bowl cover and the fixed bowl cover are also connected to a gas filling device, which is used to deliver protective gas into the feeding bowl through the edges of the movable bowl cover and the fixed bowl cover. The gas filling device includes a plurality of first gas outlet holes and a plurality of second gas outlet holes, wherein the plurality of first gas outlet holes are arranged on the edge of the movable bowl cover, and the plurality of second gas outlet holes are arranged on the edge of the fixed bowl cover and rotate with the movable bowl cover, and the first gas outlet holes and the second gas outlet holes are used to deliver protective gas to one of the first containing tank or the second containing tank that is switched from an open state to a closed state; The movable bowl cover is arranged in the first reinforcement ring, and the two are integrally formed, and a first feeding window is formed. The fixed bowl cover is arranged in the second reinforcement ring, and the two are integrally formed, and a second feeding window is formed. The gas filling device includes a plurality of first air outlets and a plurality of second air outlets. The plurality of first air outlets are arranged at the edge of the first feeding window, and the plurality of second air outlets are arranged at the edge of the second feeding window, and rotate with the movable bowl cover. The first air outlets and the second air outlets are used to transport protective gas to one of the first receiving tank or the second receiving tank that is converted from an open state to a closed state.

2. The fully automatic fresh-keeping pet feeder according to claim 1, characterized in that: The gas outlet directions of at least part of the first gas outlet holes and at least part of the second gas outlet holes are perpendicular to the horizontal plane.

3. The fully automatic fresh-keeping pet feeder according to claim 1, characterized in that: The air outlet directions of at least part of the first air outlet holes and at least part of the second air outlet holes are inclined downward and respectively face the center lines of the corresponding first feeding window and second feeding window.

4. The fully automatic fresh-keeping pet feeder according to claim 1, characterized in that: A weighing mechanism is provided below the feeding bowl, and the weighing mechanism includes a weighing sensor. A tray fixing piece is provided above the weighing sensor, and a weighing tray is provided above the tray fixing piece. The weighing tray is used to carry the feeding bowl.

5. The fully automatic fresh-keeping pet feeder according to claim 1, characterized in that: It also includes a grating sensor, which is used to detect the position of the movable bowl cover.

6. The fully automatic fresh-keeping pet feeder according to claim 1, characterized in that: The first receiving tank and / or the second receiving tank are disposable bowl tanks.

7. A control method for a fully automatic fresh-keeping pet feeder according to any one of claims 1 to 6, characterized in that: include: In response to the instruction to close the feeding bowl, query whether the latest position signal is an open position signal. If so, start the gas filling device to deliver protective gas into the feeding bowl, and simultaneously or after waiting for m seconds, drive the movable bowl cover and the feeding bowl to rotate at a speed ratio of 2:1; In response to a first rotation position signal, closing the gas filling device to stop supplying protective gas into the feeding bowl, and increasing the rotation speeds of the movable bowl cover and the feeding bowl; In response to the second rotation-to-position signal, reducing the rotation speeds of the movable bowl cover and the feeding bowl; In response to the closing position signal, the driving of the movable bowl cover and the feeding bowl to rotate is stopped; wherein, When the movable bowl cover rotates α relative to the fixed bowl cover, a first rotation position signal is generated; When the movable bowl cover rotates β relative to the fixed bowl cover, a second rotation position signal is generated; And 0°<α<β<180°.

8. The control method according to claim 7, characterized in that: include: The weight of the feeding bowl is detected, and if the weight of the feeding bowl changes from continuously decreasing to remaining unchanged within n seconds, the feeding bowl closing instruction is generated.

9. The control method according to claim 7, characterized in that: include: Control the maximum load of the feeder based on the preset pet feeding model and the preset food spoilage model; In response to the first generated one of the weight-exceeding signal and the volume-exceeding signal, an alarm signal is sent; wherein, The overweight signal indicates that the weight of the food in the feeder exceeds its maximum load capacity, and the overvolume signal indicates that the volume of the food in the feeder exceeds its maximum volume.

Images