Modular refrigeration systems for storing products

Abstract

The embodiments described herein may include one or more modular storage units for use with a refrigeration system. The modular storage unit may include a door movable from a closed position to an open position, a back wall, side walls, and a base. The modular storage unit may have an air inlet disposed in the back wall for receiving cool air from the refrigeration system. The modular storage unit may include a temperature sensor for detecting a temperature within the interior volume and an insulated wall including a phase change material disposed within the insulated wall. The modular storage unit may include a locking system configured to lock the door. Multiple modular storage units may be used within a single refrigeration system, and each modular storage unit may be removably coupled to an interior storage compartment of the refrigeration system. The embodiments described herein may be integrated into an existing refrigeration system.

Description

[Technical Field]

[0001] The present disclosure relates to systems and methods for controlling the temperature of products (e.g., beverages and snack foods). In particular, the present disclosure relates to refrigeration systems that include modular units for locally controlling the temperature within each modular unit. Summary of the Invention

[0002] Some embodiments are directed to a system for refrigerating a product including a storage compartment, the system including the storage compartment, a cooling system, and a modular unit removably coupled to the storage compartment. In some embodiments, the cooling system is configured to deliver cooled air to the storage compartment. In some embodiments, the modular unit includes an interior volume. In some embodiments, the system is configured to regulate a temperature within the interior volume independently of a temperature within the storage compartment.

[0003] In some embodiments, the system includes a damper configured to move between a first position and a second position to redirect cool air to the modular unit, hi some embodiments, the damper is configured to move between the first position and the second position in response to a temperature change in the modular unit detected by the temperature sensor.

[0004] In some embodiments, the system includes a fan configured to direct air from a first end of the modular unit to a second end of the modular unit.

[0005] In some embodiments, the system includes a wall extending between an upper end of the storage compartment and a lower end of the storage compartment. In some embodiments, the wall extends between the refrigeration unit and the modular unit. In some embodiments, the wall defines an air flow path from the refrigeration unit to the modular unit. In some embodiments, the wall includes a phase change material disposed within the wall.

[0006] In some embodiments, the system includes a locking system and a temperature sensor, the locking system configured to lock the modular unit when the temperature sensor detects that the temperature of the interior volume exceeds a predetermined temperature.

[0007] Some embodiments are directed to a modular storage unit for a refrigeration system. In some embodiments, the modular storage unit includes an interior volume defined by a door, a back wall, side walls, and a base. In some embodiments, the door is movable from a closed position to an open position. In some embodiments, the modular storage unit includes an air inlet for receiving cool air from the refrigeration system, a temperature sensor configured to detect a temperature within the interior volume, and an insulated wall including a phase change material disposed within the insulated wall. In some embodiments, the insulated wall is oriented in a first direction substantially perpendicular to the back wall. In some embodiments, the modular storage unit includes a locking system configured to lock the door. In some embodiments, the modular storage unit is removably coupled to an interior storage compartment of the refrigeration system.

[0008] In some embodiments, the modular storage unit includes a second insulating wall oriented in a first direction, hi some embodiments, the insulating wall and the second insulating wall are each movable in a second direction perpendicular to the first direction.

[0009] In some embodiments, the modular storage unit includes a U-shaped insulated tray, the U-shaped insulated tray comprising an insulated wall and a second insulated wall.

[0010] In some embodiments, the locking system is configured to lock the door in response to the temperature sensor detecting that the temperature in the interior volume exceeds a predetermined temperature, hi some embodiments, the locking system is configured to unlock the door in response to the temperature sensor detecting that the temperature in the interior volume is below a predetermined temperature.

[0011] In some embodiments, the locking system includes an electromagnetic lock, hi some embodiments, the electromagnetic lock is a failsafe lock.

[0012] In some embodiments, the modular storage unit includes an indicator disposed on the door, the indicator providing an indication that the locking system is locked.

[0013] Some embodiments are directed to a modular unit for a refrigeration system including a door having an inner surface facing the interior volume and an outer surface, movable from a closed position to an open position; an interior volume defined by a rear wall, a side wall, a base, and a top wall, the rear wall including a phase change material disposed within the rear wall; and an air duct extending from the rear wall to a front end of the modular storage unit, the air duct configured to channel cool air from the refrigeration system to an area proximate the exterior surface of the door.

[0014] In some embodiments, the door is set back from the front edge of the side wall so that cool air channeled through the air ducts forms an air curtain.

[0015] In some embodiments, the modular unit includes a fan configured to move cool air from the refrigeration system through the air duct. [Brief explanation of the drawings]

[0016] [Figure 1] 1 illustrates a refrigeration system including modular units according to some embodiments. [Figure 2] 1 shows a diagram of a refrigeration system including modular units according to some embodiments. [Figure 3] 1 illustrates a modular storage unit according to some embodiments. [Figure 4] 1 illustrates a modular storage unit according to some embodiments. [Figure 5A] 1 illustrates a modular storage unit according to some embodiments. [Figure 5B] 5B shows a cross-sectional view of the modular unit of FIG. 5A. [Figure 6A] 1 shows a diagram of a refrigeration system according to some embodiments. [Figure 6B] 1 shows a diagram of a refrigeration system according to some embodiments. [Figure 7] 1 shows a diagram of a refrigeration system according to some embodiments. [Figure 8] 1 shows a diagram of a refrigeration system according to some embodiments. [Figure 9] 1 shows a diagram of a refrigeration system according to some embodiments. [Figure 10] 1 illustrates a diagram of an electronic system of a mobile vending system according to some embodiments. [Figure 11] 1 shows a schematic block diagram of a computer system in which some embodiments may be implemented. [Figure 12] 1 illustrates a method for independently controlling the temperature of modular storage units according to some embodiments. DETAILED DESCRIPTION OF THE INVENTION

[0017] Refrigeration systems (e.g., refrigerators and coolers) are widely used to store products (e.g., beverages and snacks) in a temperature-controlled environment. These refrigeration systems can be used in a variety of locations, such as grocery stores, convenience stores, shopping malls, sports or concert venues, gas stations, offices, and movie theaters, among others. These refrigeration systems often have doors that allow easy access to the products stored within the system. While these systems offer convenience, they can be difficult to maintain at a chilled temperature due to frequent door openings and include several other drawbacks.

[0018] Refrigeration systems typically have a single compartment that is maintained at or near a target temperature and generally maintain a single temperature throughout the system, despite the fact that various products may have different temperature requirements. Typically, this means that the temperature throughout the system must be maintained at or below a temperature suitable for products with minimum temperature requirements. Existing systems typically do not allow a single system to maintain different temperatures for different zones of the system.

[0019] Some refrigeration systems have a lockout feature that prevents access to the system if, for example, the refrigeration unit malfunctions or if the temperature exceeds the maximum temperature for the product stored in the system. However, the lockout typically locks the door to the refrigeration system, preventing access to the entire unit even if some of the product is not perishable or temperature-sensitive. In many cases, the system must remain locked until it is repaired, which can prevent access for hours or even days.

[0020] To address these shortcomings, it is common to use multiple refrigeration systems to store different products with different temperature requirements. For example, often a dedicated system is required for items that must be pre-chilled (e.g., perishable, temperature-sensitive products) and another dedicated system is required for shelf-stable products (e.g., non-perishable products).

[0021] The embodiments described herein overcome these and other challenges by providing, among other advantages, modular units for refrigeration systems that allow the temperature of each unit to be controlled independently of other units or the remainder of the storage compartment within the refrigeration system. The temperature of each modular unit can be controlled independently of other modular units and independently of the entire storage compartment of the refrigeration system. The modular units disclosed herein can be locked out, for example, in response to a temperature change. This prevents access to only the locked-out modular unit, allowing consumers to access the remainder of the refrigeration system. The modular units allow convenient access to products while minimizing heat transfer to the chilled environment when the refrigeration system door is opened. The modular units disclosed herein can also be integrated into existing refrigeration systems and rearranged within the refrigeration system, allowing for flexible and more efficient storage of products.

[0022] Figure 1 illustrates a refrigeration system (e.g., system 10) according to some embodiments. Figure 2 illustrates a diagram of system 10. In some embodiments, system 10 includes a cabinet 100, an electronic system 200, a refrigeration system 300, a storage compartment 102, and one or more modular storage units 400 disposed within storage compartment 102. In some embodiments, system 100 includes storage compartment 102, sidewalls 105, a front side 110, a back side 115, and a top 120.

[0023] In some embodiments, storage compartment 102 is partially defined by sidewalls 105, a front 110, a rear 115, and a top 120. In some embodiments, the front includes a door 112. In some examples, door 112 includes a frame 113. In some embodiments, door 112 includes a transparent portion 114. Transparent portion 114 can be made from a variety of materials, such as glass or acrylic. In some examples, transparent portion 114 is glass. In some examples, transparent portion 114 is insulating glass. In some embodiments, storage compartment 102 is viewable through transparent portion 114. Storage compartment 102 can include one or more shelves 150 disposed within storage compartment 102. In some embodiments, storage compartment 102 includes one or more (e.g., two or more, three or more, four or more, or five or more) shelves 150.

[0024] As shown in FIG. 1 , system 10 can include modular storage units 400. In some embodiments, system 10 includes one or more (e.g., two or more, three or more, four or more, or five or more) modular storage units 400. Each modular storage unit 400 can be movable within storage compartment 102. In some embodiments, each modular storage unit is removably coupled to shelf 150. FIGS. 3-5A illustrate exemplary configurations of modular storage units 400. Each modular storage unit 400 can be configured to redirect cool air into the modular storage unit 400 using refrigeration system 300 of system 10. In some embodiments, as described in more detail below, modular storage unit 400 can continuously redirect cool air from refrigeration system 300 to regulate the temperature of modular storage unit 400 separately from the rest of storage compartment 102. In some embodiments, as described in more detail below, the modular storage unit 400 can selectively redirect cool air from the refrigeration system 300 to regulate the temperature of the modular storage unit 400 separately from the rest of the storage room 102.

[0025] 3 illustrates an exemplary modular storage unit 400. In some embodiments, the modular storage unit includes a door 405, side walls 410, a rear wall 415, and a bottom 420. In some embodiments, the modular storage unit 400 includes an interior volume 401 that is at least partially defined by the door 405, the side walls 410, the rear wall 415, and the bottom 420. In some embodiments, the rear wall 415 includes an opening 416 disposed in the rear wall 415. In some embodiments, the opening 416 is an air inlet for receiving cool air from the refrigeration system 300. In some embodiments, the bottom 420 includes a vent 421 that allows air to flow through the bottom 420 and into the interior volume 401.

[0026] The modular storage unit 400 can include a door 405 that moves from a closed position to an open position. The door 405 can be hinged, pivoting, or sliding. As shown in FIGS. 3 and 4 , the modular storage unit 400 can include a door 405 that is hingedly coupled to a bottom 420 by a hinge 406. After opening the door 112 of the cabinet 100, a user can access products stored within the modular storage unit 400 by pulling the door 405 from above and rotating the door 405 about the hinge 406. In some embodiments, the door 405 can be slidably coupled to the bottom 420, for example, along a track defined in the bottom 420. In some embodiments, the door 405 is rollable (e.g., a rollable curtain or a spring-loaded roller). In some embodiments, the door 405 is made of a transparent material (e.g., glass, acrylic, polycarbonate, polyethylene terephthalate (PET), or polyvinyl chloride (PVC)) so that products stored within the modular storage unit 400 can be viewed before the door 405 is opened.

[0027] As shown in FIGS. 3 and 4 , the door 405 can include one or more locks 435 configured to lock the door 405. In some embodiments, the lock 435 is an electromagnetic lock. In some embodiments, the lock 435 is configured to lock and unlock based on certain conditions, such as when the electronic device 200 detects a payment source or when the temperature within the modular storage unit 400 exceeds a predetermined temperature. In some embodiments, the modular storage unit 400 includes a temperature sensor (e.g., temperature sensor 220) that detects the temperature within the modular storage unit 400. In some embodiments, if the temperature sensor 220 detects that the temperature within the modular storage unit 400 is equal to or greater than a predetermined temperature (e.g., 5° C., 3° ​​C., or 1° C.), the control unit 203 can activate the lock 435 to prevent access to the modular storage unit 400. This can minimize warmer air entering the modular unit 400, as warmer air can enter the modular unit 400 when the door 405 is opened. In some embodiments, lock 435 automatically locks based on detection by temperature sensor 220. In some embodiments, lock 435 remains locked until temperature sensor 220 detects that the temperature within modular storage unit 400 is below a predetermined temperature. In some embodiments, lock 435 only unlocks when the temperature within modular storage unit 400 is below the predetermined temperature. Some temperature-sensitive products spoil if stored at temperatures above 5°C for extended periods of time. Therefore, in some embodiments, if temperature sensor 220 detects that the temperature within modular storage unit 400 exceeds the predetermined temperature for a predetermined period of time (e.g., 30, 60, or 90 minutes), lock 435 remains locked until modular storage unit 400 is restocked with new product. In some embodiments, the predetermined temperature is between about 40°F and about 50°F (e.g., between about 41°F and about 45°F). In some embodiments, the predetermined time is from about 1 minute to about 45 minutes (eg, from about 5 minutes to about 30 minutes or from about 10 minutes to about 20 minutes).In some embodiments, the predetermined temperature is 45° F. and the predetermined time is 5 minutes. In some embodiments, the predetermined temperature is 41° F. and the predetermined time is 30 minutes.

[0028] Lock 435 can be a fail-secure lock or a fail-safe lock. In some embodiments, lock 435 is a fail-secure lock that remains locked if system 100 loses power. This can be used, for example, to prevent a user from accessing temperature-sensitive products if system 100 loses power. In some embodiments, lock 435 is a fail-safe lock that unlocks if system 100 loses power. This can be used, for example, to allow access to shelf-stable products if system 100 loses power.

[0029] Modular storage unit 400 can have one or more indicators (e.g., indicator 430) that indicate the status of modular storage unit 400. In some embodiments, indicator 430 is a light that is illuminated based on whether lock 435 is locked. For example, in some embodiments, indicator 430 is a light that is illuminated when 435 is locked. In some embodiments, the modular unit includes two indicators 430, as shown in FIGS. 3 and 4. In some embodiments, one indicator 430 is illuminated when lock 435 is locked and the other indicator 430 is illuminated when lock 435 is unlocked. In some embodiments, indicator 430 is illuminated only when lock 435 is locked.

[0030] The modular storage unit 400 can have a variety of configurations within the interior volume 401. For example, Figure 3 shows a configuration with a series of dividers 450, and Figure 4 shows a configuration with a U-shaped insert that contacts the sidewalls 410 and bottom 420. Each of these is exemplary and is described in more detail below.

[0031] As shown in FIG. 3 , modular storage unit 400 can have one or more insulating panels (e.g., dividers 450). In some embodiments, each divider 450 extends in a first direction between door 405 and rear wall 415 such that sides 451 of dividers 450 face each other. In some embodiments, dividers 450 are parallel to each other. In some embodiments, dividers 450 are insulating panels. In some embodiments, dividers 450 contain a phase change material (e.g., paraffin wax, non-paraffin organic material, hydrated salt, water, or gel) disposed within divider 450. In some embodiments, the phase change material is one of paraffin wax, non-paraffin organic material, or hydrated salt. Dividers 450 can be movable in a second direction between sidewalls 410 to adjust the space between each divider. The spacing between each divider 450 can be variable. For example, some compartments 150 may be spaced far enough apart to accommodate cans, while other compartments 150 within the same modular storage unit 400 may be spaced apart to accommodate snack foods that are wider than cans. This allows the modular storage unit 400 to accommodate products of various sizes and allows for easy reconfiguration when replacement products have different sizes or shapes. In some embodiments, the first direction and the second direction are perpendicular to each other. In some embodiments, the compartment 450 includes an entrance 452 that provides an access point for adding phase change material to the compartment 450.

[0032] FIG. 4 illustrates a modular storage unit 400 with an insulating liner (e.g., liner 455). In some embodiments, the modular storage unit 400 shown in FIG. 4 includes the same features as the modular storage unit 400 shown in FIG. 3, but with liner 455. In some embodiments, liner 455 can be used in place of or in conjunction with dividers 450 shown in FIG. 3. In some embodiments, liner 455 includes a bottom wall 456 and side walls 457. In some embodiments, bottom wall 456 covers at least a portion of bottom 420. In some embodiments, each side wall 457 covers at least a portion of side wall 410. In some embodiments, liner 455 includes a phase change material (e.g., water or a gel) disposed within liner 455.

[0033] FIG. 5A illustrates a modular storage unit 400 according to some embodiments. FIG. 5B illustrates a cross-section of the modular storage unit 400 shown in FIG. 5A taken along line 5B-5B. In some embodiments, the modular storage unit 400 can include a channel 460 extending from the rear wall 415 to near the front of the door 405. As shown in FIG. 5B, the channel 460 can include an inlet adjacent the rear wall 415 and an outlet adjacent the front of the interior volume 461 of the door 405 through which cool air can flow (e.g., in the direction of arrow 462). In some embodiments, the cool air exits the channel 460 and forms an air curtain 463 of cool air within the front door 405. In some embodiments, the air curtain 463 of cool air provides insulation in front of the door 405. In some embodiments, the modular storage unit 400 can include a fan 465 that draws cool air from the refrigeration system 300 into the channel 460. In some embodiments, the channel 460 and fan 465 as shown in Figures 5A and 5B can be used in conjunction with the divider 450 or the liner 455, or both. Figure 5B illustrates a product 500 disposed within the interior volume 401.

[0034] 6A-9B illustrate various refrigeration systems 300 that can be used in system 10 according to some embodiments. It should be understood that any of the modular storage units 400 described herein (e.g., as shown in FIGS. 3-5B) can be used in any of the systems shown in FIGS. 6A-9B. Additionally, it should be understood that the modular storage units 400 shown in FIGS. 3-5B can be interchangeable with any other modular storage units 400. In some embodiments, system 10 can include one or more modular storage units (e.g., two or more, three or more, four or more, or five or more) within storage compartment 102. In some embodiments, system 10 can include one to four modular storage units 400. Arrows illustrated in FIGS. 6A-9B indicate the flow of air within system 10, with solid arrows illustrating a generally downward flow of cooler air and dotted arrows illustrating a generally upward flow of warmer air.

[0035] In some embodiments, the system 10 includes a flow path 430 through which cool air can flow down through the storage compartment 402, as illustrated in Figures 6A-9B.

[0036] 6A and 6B illustrate a damper system that can selectively direct cool air into modular storage unit 400 (e.g., through opening 416 or channel 460). In some embodiments, the damper system includes a damper 132 that can be actuated between a first position (shown in FIG. 6A ) and a second position (shown in FIG. 6B ). In some embodiments, when damper 132 is in the first position, cool air flowing through flow path 130 is redirected into modular storage unit 400. In some embodiments, when damper 132 is in the second position, cool air flows freely through flow path 130. In some embodiments, system 10 includes one damper per modular storage unit 400. In some embodiments, control unit 203 actuates damper 132 between the first position and the second position based on the temperature within modular storage unit 400 as determined by temperature sensor 220. For example, in some embodiments, when the temperature sensor 220 detects that the temperature within the modular storage unit 400 is at or above a predetermined temperature (e.g., 5°C, 3°C, or 1°C), the control unit 203 can move the damper 132 to a first position (shown in FIG. 6A) to direct cool air into the modular storage unit 400. For example, in some embodiments, when the temperature sensor 220 detects that the temperature within the modular storage unit 400 is at or below a predetermined temperature (e.g., 5°C, 3°C, or 1°C), the control unit 203 can move the damper 132 to a second position (shown in FIG. 6A) to allow cool air to flow normally through the system 10. In some embodiments, the damper 132 can be used with any modular storage unit 400 disclosed herein.

[0037] Figure 7 illustrates airflow within system 10 when used with modular storage unit 400 illustrated in Figures 5A and 5B. As illustrated in Figure 7, cool air may preferentially enter modular storage unit 400 and flow through channel 460, forming air curtain 463. As illustrated in Figure 7, some of the cool air enters modular storage unit 400 and some of the cool air flows through the remainder of storage compartment 102.

[0038] 8, the system 10 can include a plate 140 disposed proximate the rear wall 115. In some embodiments, the plate 140 can extend vertically within the storage compartment 102 and can be spaced from the rear wall 115 to form the flow channel 130. In some embodiments, the plate 140 extends the entire width of the storage compartment 102 (e.g., between the side walls 105). In some embodiments, when the plate 140 is in use, all of the cool air flows from the top of the storage compartment 102 through the flow channel 130 to the bottom of the storage compartment 102. In some embodiments, the plate 140 includes a phase change material (e.g., water or a gel) disposed within the plate 140.

[0039] 9, modular storage unit 400 can include a micro-refrigeration unit (e.g., refrigeration unit 470) disposed within modular storage unit 400. In some embodiments, as shown in FIG. 9, system 10 can include multiple modular storage units 400 with different designs (e.g., one or more modular storage units 400 with refrigeration unit 470 and one or more modular storage units 400 without refrigeration unit 470). System 10 can include fans 305 and 315. In some embodiments, refrigeration unit 470 can control the temperature within modular storage unit 400, and refrigeration system 300 can control the temperature of the remainder of storage compartment 102.

[0040] 10 illustrates a diagram of an electronic system 200, according to some embodiments. In some embodiments, the electronic system 200 includes a control unit 203, a user interface 204, a payment processing unit 206, an audio unit 210, sensors (e.g., a contactless payment sensor 211, a biometric sensor 212, a proximity sensor 218, a temperature sensor 220, a product sensor 226), a scanner 216, a lock 224, a camera 228, and a storage compartment light 230.

[0041] 10 , a control unit 203 coordinates the operation of the system 10. In some embodiments, a single control unit 203 may control the operation of all components of the mobile vending system 100. In some embodiments, more than one control unit 203 may be used, with each control unit being used to control a different operation or component of the system 10. For example, a first control unit may control the user interface 204, the payment processing unit 206, and a second control unit may control the operation of the lock 224, the product sensor 226, the camera 228, and the storage compartment light 230, for example. It is understood that multiple control units 203 may be used, but for convenience, the description herein will primarily refer to embodiments having a single control unit 203.

[0042] In some embodiments, system 10 includes a user interface 204, as illustrated in FIG. 1 . In some embodiments, user interface 204 is controlled by control unit 203. In some embodiments, electronic system 200 includes a housing 250. In some embodiments, user interface 204 may be disposed on housing 250. In some embodiments, user interface 204 is a display, as illustrated in FIG. 10 . In some embodiments, user interface 204 may present instructions for operating system 10 and may also present product information to a consumer during product vending operations. In some embodiments, user interface 204 includes a liquid crystal display (LCD), a light emitting diode (LED) display, or an organic-LED (OLED) display, among other types of displays. In some embodiments, user interface 204 receives user input. In some embodiments, user interface 204 includes a touchscreen display that allows a consumer to enter user input by touching portions of the display.

[0043] In some embodiments, electronic system 200 can include a payment processing unit 206 for detecting the presence of a payment source, receiving payments from consumers, processing payments, and authorizing product purchases. In some embodiments, payment processing unit 206 is located on housing 250. In some embodiments, payment processing unit 206 includes at least one of a magnetic stripe reader 207 for reading credit cards, debit cards, ATM cards, etc., a chip reader for reading credit cards, debit cards, and other payment cards with an electronic chip, i.e., chip cards, and a contactless payment sensor (e.g., a near field communication (NFC) reader) for contactless payments. The payment processing unit 206 may also be configured to receive mobile payments, such as payments made using Apple Pay or Google Pay, and may further include an RFID sensor configured to read or detect RFID tags or a QR code reader configured to scan a QR code displayed on a mobile device, such as a QR code or barcode displayed on a printed membership card, shopping bag, bottle, or on a software application (or "app") on the mobile device, among other items. The payment processing unit 206 may also be configured to receive remote payments, such as payments made on a smartphone or an application on the smartphone, or instructions indicating that the consumer has made a payment, which instructions are transmitted to the system 10, allowing the consumer to purchase a product without entering the payment in the system 10.

[0044] In some embodiments, the payment processing unit 206 can be used to detect authorized users. In some embodiments, an authorized user can be determined by entering a user's identification information, such as entering a username, scanning an identification document such as a driver's license or passport, or entering an identification code, which stores the user's name in a database. Additionally, the electronic system 200 can include a biometric sensor for determining the identity of a consumer and, therefore, the presence of an authorized user. The consumer's identity can be linked to a payment source, such that, upon identification of the consumer, the consumer's payment source can be automatically accessed to purchase the product. In some embodiments, the biometric sensor can be configured to identify an individual based on a fingerprint, palm print, retina, iris, face, or facial features, among other biometrics.

[0045] In some embodiments, electronic system 200 can include an audio unit 210. In some embodiments, audio unit 210 is configured to emit or generate an audible alert or tone. In some embodiments, audio unit 210 can be located on or within housing 250, or can be located external to housing 250, such as on top 101 or bottom 102 of mobile vending system 100. In some embodiments, audio unit 210 can be in wired or wireless communication with system 10. In some embodiments, audio unit 210 can include memory for storing one or more pre-recorded sounds, tones, or messages, among other audible alerts. In some embodiments, audio unit 210 can be configured to play a greeting or welcome to the consumer upon detection of the consumer or upon receipt of a payment source. Additionally, in some embodiments, audio unit 210 can play a message thanking the consumer upon completion of a purchase. In some embodiments, as described in more detail below, the audio unit 210 may also be configured to generate an alert when a product is removed from or returned to a product storage compartment of the system 10.

[0046] In some embodiments, the system 10 includes a proximity sensor 218 configured to detect when a consumer is within a predetermined distance of the system 10. In some embodiments, when a consumer is nearby, the system 10 can change the user interface 204 from a first state to a second state as determined by the proximity sensor 218. In some embodiments, the first state is an inactive state in which the user interface 204 is turned off or in a power-saving mode and the storage compartment light 230 is off. In some embodiments, the second state is an active state in which the user interface 204 is turned on or ready to receive user input and the storage compartment light is on. In some embodiments, when a consumer uses the mobile vending system 100 to complete a purchase, the user interface 204 can change from the second state to the first state.

[0047] In some embodiments, the system 10 includes a temperature sensor 220. In some embodiments, the system 10 includes one or more temperature sensors 220 configured to detect the temperature within the system 10 (e.g., within a storage compartment 102 or within a modular storage unit 400). In some embodiments, the temperature sensor 220 is configured to detect whether the temperature within the modular storage unit 400 is above or below a predetermined temperature.

[0048] In some embodiments, system 10 includes a scanner 216 configured to scan a product's barcode. In some embodiments, control unit 203 is configured to request payment based on the scanned product. In some embodiments, control unit 203 is configured to display information about the scanned product (e.g., price, nutritional information, ingredients) on user interface 204.

[0049] In some embodiments, the mobile vending system 100 includes an inventory management system. In some embodiments, the inventory management system includes one or more product sensors configured to detect when a product is removed from or returned to the storage component 102 or storage system 400. In some embodiments, the product sensor may be an optical sensor, such as a camera (e.g., camera 228), configured to detect and identify a product removed from the system 10. For example, the optical sensor may capture video of a product passing near the sensor while the product is being removed from the storage compartment 102 or inserted into the storage system, and may further compare the product in the captured video to an image library, such as an edge-based or cloud-based image library. Alternatively, the optical sensor may capture images of the product in the storage compartment before and after a consumer purchase to determine which product has been removed. However, as one skilled in the art would readily appreciate, various types of sensors may be used to detect the removal and return of products from the system 10. For example, other types of sensors that can be used instead of or in addition to optical sensors include weight sensors that measure the weight of products in a storage compartment before and after the products are removed, or radio frequency identification (RFID) tags and RFID readers / scanners that detect product removal and return.

[0050] In some embodiments, the product sensor can identify the product by detecting the shape and / or color of the product removed from the storage compartment 102. In some embodiments, the product sensor can be positioned proximate the front of the storage compartment 102. In some embodiments, the product sensor can define a plane parallel to the front of the storage compartment 102 and detect when the product passes through that plane, which indicates that the product is being removed from the storage compartment 102 or returned to the storage system.

[0051] 11 illustrates a computer system 800 in which embodiments, or portions thereof, may be implemented as computer readable code. The control unit 203 discussed herein may be a computer system having all or some of the components of the computer system 800 for implementing the processes discussed herein.

[0052] Where programmable logic is used, such logic may be executed on a commercially available processing platform or a special purpose device. Those skilled in the art will appreciate that embodiments of the disclosed subject matter may be implemented in a variety of computer system configurations, including multi-core multiprocessor systems, minicomputers and mainframe computers, computers linked or clustered with distributed functionality, and general-purpose or miniature computers that may be incorporated into virtually any device.

[0053] For example, at least one processor device and memory may be used to implement the above-described embodiments. The processor device may be a single processor, multiple processors, or a combination thereof. The processor device may have one or more processor "cores."

[0054] The embodiments described herein can be implemented in terms of this exemplary computer system 800. After reading this specification, it will become apparent to one skilled in the art how to implement the embodiments described herein using other computer systems and / or computer architectures. While operations may be described as sequential processes, in reality, some operations may be performed in parallel, concurrent, and / or distributed environments, and program code may be stored locally or remotely for access by single-processor or multi-processor machines. Furthermore, in some embodiments, the order of operations may be rearranged without departing from the spirit of the disclosed subject matter.

[0055] The processor device 804 may be a special-purpose or general-purpose processor device. As will be appreciated by those skilled in the art, the processor device 804 may also be a single processor within a multi-core / multi-processor system operating alone or within a cluster of computing devices operating within a cluster or server farm. The processor device 804 is connected to a communications infrastructure 806, such as a bus, message queue, network, or multi-core message passing scheme.

[0056] Computer system 800 further includes main memory 808, such as, for example, random access memory (RAM), and may also include secondary memory 810. Secondary memory 810 may include, for example, a hard disk drive 812 or a removable storage drive 814. Removable storage drive 814 may include a floppy disk drive, a magnetic tape drive, an optical disk drive, flash memory, or the like. Removable storage drive 814 is capable of reading from and / or writing to a removable storage unit 818 in a known manner. Removable storage unit 818 may include a floppy disk, magnetic tape, optical disk, universal serial bus (USB) drive, or the like, which is read by and written to removable storage drive 814. As will be appreciated by those skilled in the art, removable storage unit 818 includes a computer-usable storage medium having computer software and / or data stored therein.

[0057] Computer system 800 (optionally) includes a display interface 802 (which may include input / output devices such as a keyboard, mouse, etc.) that transfers graphics, text, and other data from communication infrastructure 806 (or from a frame buffer, not shown) for display on display unit 830.

[0058] In alternative embodiments, secondary memory 810 may include other similar means for allowing computer programs or other instructions to be loaded into computer system 800. Such means may include, for example, a removable storage unit 822 and interface 820. Examples of such means may include program cartridges (such as those found in video game devices) and cartridge interfaces, removable memory chips (such as EPROMs or PROMs) and associated sockets, and other removable storage units 822 and interfaces 820 that allow software and data to be transferred from the removable storage unit 822 to computer system 800.

[0059] Computer system 800 may also include a communications interface 824. Communications interface 824 allows software and data to be transferred between computer system 800 and external devices. Communications interface 824 may include a modem, a network interface (such as an Ethernet card), a communications port, a PCMCIA slot and card, or the like. Software and data transferred via communications interface 824 may be in the form of signals, which may be electronic, electromagnetic, optical, or other signals receivable by communications interface 824. These signals may be provided to communications interface 824 via communications path 826. Communications path 826 carries signals and may be implemented using wire or cable, fiber optics, a telephone line, a cellular telephone link, an RF link, or other communications channel.

[0060] As used herein, the terms "computer program medium" and "computer usable medium" are used generally to refer to media such as removable storage unit 818, removable storage unit 822, and a hard disk installed in hard disk drive 812. Computer program medium and computer usable medium may also refer to memory such as main memory 808 and secondary memory 810, which may be memory semiconductors (e.g., DRAM, etc.).

[0061] Computer programs (also called computer control logic) are stored in main memory 808 and / or secondary memory 810. Computer programs may also be received via communications interface 824. Such computer programs, when executed, enable computer system 800 to implement the embodiments discussed herein. Specifically, the computer programs, when executed, enable processor device 804 to perform the processes of the embodiments discussed herein. Such computer programs thus represent controllers of computer system 800. If the embodiments are implemented using software, the software may be stored in a computer program product and loaded into computer system 800 using removable storage drive 814, interface 820, and hard disk drive 812, or communications interface 824.

[0062] The embodiments described herein are directed to computer program products, including software stored on any computer-usable medium. Such software, when executed on one or more data processing devices, causes the data processing devices to operate as described herein. The embodiments described herein may employ any computer-usable or computer-readable medium. Examples of computer-usable media include, but are not limited to, primary storage devices (e.g., any type of random access memory), secondary storage devices (e.g., hard drives, floppy disks, CD-ROMs, ZIP disks, tape, magnetic and optical storage devices, MEMS, nanotechnology storage devices, etc.).

[0063] FIG. 12 illustrates a method 1000 according to some embodiments. In some embodiments, in step 1010, one or more modular storage units (e.g., modular storage unit 400) can be positioned within a storage compartment (e.g., storage compartment 102) of a cabinet (e.g., cabinet 100). In some embodiments, the modular storage unit is coupled to the storage compartment as described above. In some embodiments, in step 1020, one or more temperature sensors (e.g., temperature sensor 220) can detect the temperature within the modular storage unit and / or within the storage compartment. In some embodiments, in step 1030, cool air can be directed into the storage compartment. In some embodiments, the cool air is directed into the storage compartment based on the temperature detected in step 1020. For example, in some embodiments, step 1030 is performed only when the temperature within one or more modular storage units is at or above a predetermined temperature, as described above. In some embodiments, step 1030 is performed continuously (e.g., cool air is continuously directed toward the modular storage units). In some embodiments, at step 1040, the modular storage unit is locked based on the temperature detected at step 1020. For example, in some embodiments, at step 1040, the modular storage unit may be locked if a temperature sensor detects that the temperature within the modular storage unit is above a predetermined temperature at step 1020, as described above. In some embodiments, at step 1050, the modular storage unit may be unlocked if a temperature sensor detects that the temperature within the modular storage unit is below a predetermined temperature at step 1020, as described above. In some embodiments, step 1050 is optional and is not performed for perishable or temperature-sensitive products.For example, in some embodiments, if a temperature sensor detects in step 1020 that the temperature within the modular storage unit is above a predetermined temperature, the modular unit may be locked and remain locked until the inventory (e.g., product 500) is replaced.

[0064] As used herein, terms such as "upper" and "lower," and "top" and "bottom," are intended to aid in understanding embodiments of the present invention with reference to the accompanying drawings with respect to the orientation of components as shown, and are not intended to limit the scope of the present invention or to restrict the scope of the present invention to the embodiments depicted in the drawings. Directional terms are used for convenience of description, and it is understood that components described herein may be positioned in any of a variety of orientations.

[0065] As used herein, when the term "about" is used in describing a value or an endpoint of a range, the disclosure should be understood to include the specific value or endpoint referred to. As used herein, the term "about" can include ±10%.

[0066] It should be understood that the "Detailed Description" section, and no other sections, are intended to be used to interpret the claims. The other sections may set forth one or more, but not all, example embodiments of the disclosure as contemplated by the inventors, but are in no way intended to limit the scope of the disclosure and the appended claims.

[0067] The present disclosure has been described above with the aid of functional building blocks illustrating the implementation of certain functions and relationships thereof. The boundaries of these functional building blocks have been arbitrarily defined herein for the convenience of description. Alternative boundaries may be defined so long as the certain functions and relationships thereof are appropriately performed.

[0068] The foregoing description of specific embodiments will enable others, by applying their knowledge, to readily modify and / or adapt such specific embodiments for various uses, without undue experimentation, without departing from the general concepts of the disclosure, making the general nature of the disclosure fully apparent. Such adaptations and modifications are therefore intended to be within the meaning and range of equivalents of the disclosed embodiments, based on the teaching and guidance presented herein. It is to be understood that the phraseology or terminology used herein is for the purpose of description and not of limitation; consequently, the terminology or terminology used herein should be interpreted by those skilled in the art in the light of the teaching and guidance.

[0069] The foregoing examples are illustrative, but not limiting, of the present disclosure. Other suitable modifications and adaptations of the variety of conditions and parameters normally encountered in the art which are obvious to those skilled in the art are within the spirit and scope of the present disclosure.

[0070] References herein to "one embodiment," "embodiment," "exemplary embodiment," "some embodiments," etc., indicate that the described embodiment may include a particular feature, structure, or characteristic, but that not all embodiments necessarily include the particular feature, structure, or characteristic. Moreover, such phrases do not necessarily refer to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with one embodiment, the impact of such feature, structure, or characteristic on other embodiments, whether or not explicitly described, is believed to be within the knowledge of one of ordinary skill in the art.

[0071] The breadth and scope of the present disclosure should not be limited by any of the above-described exemplary embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. 1. A system for refrigerating a product, said system comprising: a storage compartment; a cooling system configured to deliver cool air to the storage compartment; and a modular unit removably coupled to the storage compartment, the modular unit including an interior volume; The system is configured to regulate a temperature within the interior volume independently of a temperature within the storage compartment.

2. The system of claim 1 , further comprising a damper configured to move between a first position and a second position to redirect cool air to the modular unit.

3. 3. The system of claim 2, wherein the damper is configured to move between the first position and the second position in response to a temperature change within the modular unit detected by a temperature sensor.

4. The system of claim 1 , further comprising a fan, the fan configured to direct air from a first end of the modular unit to a second end of the modular unit.

5. The system of claim 1 , further comprising a wall extending between an upper end of the storage compartment and a lower end of the storage compartment.

6. The system of claim 5 , wherein the wall extends between the refrigeration unit and the modular unit.

7. The system of claim 6 , wherein the wall defines an air flow path from the refrigeration unit to the modular unit.

8. The system of claim 5 , wherein the wall includes a phase change material disposed within the wall.

9. 10. The system of claim 1, further comprising a locking system and a temperature sensor, the locking system configured to lock the modular unit when the temperature sensor detects that the temperature of the interior volume is greater than a predetermined temperature.

10. 1. A modular storage unit for a refrigeration system, said modular storage unit comprising: The internal volume is: a door movable from a closed position to an open position; The back wall and A side wall; an interior volume defined by a base; an air inlet for receiving cold air from the refrigeration system; a temperature sensor configured to detect a temperature within the interior volume; an insulating wall including a phase change material disposed therein, the insulating wall being oriented in a first direction that is substantially perpendicular to the rear wall; a locking system configured to lock the door. The modular storage unit, wherein the modular storage unit is removably coupled to an interior storage compartment of the refrigeration system.

11. 11. The modular storage unit of claim 10, further comprising a second insulating wall oriented in the first direction.

12. 12. The modular storage unit of claim 11, wherein the insulating wall and the second insulating wall are each movable in a second direction perpendicular to the first direction.

13. 12. The modular storage unit of claim 11, further comprising a U-shaped insulating tray, said U-shaped insulating tray comprising said insulating wall and said second insulating wall.

14. the locking system is configured to lock the door in response to the temperature sensor detecting that the temperature within the interior volume exceeds a predetermined temperature; 11. The modular storage unit of claim 10, wherein the locking system is configured to unlock the door in response to the temperature sensor detecting that the temperature within the interior volume is below the predetermined temperature.

15. 15. The modular storage unit of claim 14, wherein the locking system includes an electromagnetic lock.

16. 16. The modular storage unit of claim 15, wherein the electromagnetic lock is a fail secure lock.

17. 11. The modular storage unit of claim 10, further comprising an indicator disposed on the door, the indicator providing an indication that the locking system is locked.

18. 1. A modular storage unit for a refrigeration system, said modular storage unit comprising: The internal volume is: a door having an inner surface facing the interior volume and an outer surface, the door being movable from a closed position to an open position; a back wall including a phase change material disposed within the back wall; side wall, base, and an interior volume defined by a top wall; an air duct extending from the rear wall to a front end of the modular storage unit, the air duct configured to deliver cool air from the refrigeration system to an area adjacent the exterior surface of the door.

19. 19. The modular storage unit of claim 18, wherein the door is recessed from a front edge of the side wall such that the cool air channeled through the air duct forms an air curtain.

20. 20. The modular storage unit of claim 18, further comprising a fan configured to move the cool air from the refrigeration system through the air duct.

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