RU203821U1 - Automatic in-line fluid delivery and dosing system with portable display - Google Patents

Abstract

The utility model relates to the field of devices for supplying and dispensing liquids, can be used in any industry where dispensing is required, in everyday life, including with the possibility of dispensing at a distance from a container with a liquid up to 10 meters without losing the rate of liquid intake, as well as from refrigeration installations. Automatic in-line liquid supply and dispensing system with a portable display, including a stainless steel housing, a product dispensing spout, a control panel consisting of dispensing buttons, three of which are configured for accurate dispensing, and one is used for adding liquid. a voltage source, while the spout is connected to a hydraulic system including a gear pump for fluid supply and product circulation hoses, a portable informative display with a computer input for fine tuning the dosing system in the control system. At the same time, the pump is designed in such a way that it works according to the operation algorithm prescribed in the motherboard, without loss of fluid flow rate at a considerable distance from the container up to 10 meters. The technical result of the application of this solution is the creation of an optimal universal automated liquid dispensing system by applying pump control algorithms - smooth running and increased productivity if the container is located at a great distance from the dispenser (up to 10 meters). 5 ill.

Description

The utility model "Automatic built-in system for supplying and dispensing liquid with a portable display" refers to the field of devices for supplying and dispensing liquids, can be used in any industry where dispensing is required, in everyday life, including with the possibility of dispensing at a distance from a container with a liquid to 10 meters without losing the rate of flow of liquid, as well as from refrigeration units.

Known Apparatus and method of fluid supply (patent document No. CA2663130). This device is a container for hermetically sealed liquid storage, a housing in which a storage chamber of variable volume is located; a one-way metering valve including a valve inlet in fluid communication with the variable volume storage chamber and a resilient valve member in fluid communication with the valve inlet defining a normally closed valve opening, a manual actuator, and a pump. The liquid is hermetically sealed in a variable storage compartment. The drive is switched on manually and can be moved between two positions of different dosing volumes. There are options for this solution with a non-return valve and an antiseptic liquid supply for cleaning the system. The disadvantage of this invention is its non-versatility in terms of dependence on the storage chamber of variable volume of liquid, the impossibility of connecting to a refrigeration unit, as well as a manual dosing control system with a minimum set of volume options.

Known Automated dispenser for food or drinks with the possibility of cleaning in place (patent document No. US 6889603). This invention relates to an automatic food dispenser comprising an interface connection configured to provide a milk-based liquid from a reservoir (e.g., container or bag), a mixing device configured to receive a milk-based liquid, a nozzle in fluid communication with the mixing device for dispensing a milk-based product, a product flow path configured to direct the milk-based product to flow from the interface connection through the mixing device to the nozzle, and an in-situ flow path assembly located in the dispenser containing a source of cleaning or disinfecting fluid, and a flow path that configured to deliver cleaning or disinfectant fluid through the product flow path. Various variations of the invention include the ability to prepare a disinfectant mixture inside the device, a water heating and flushing system. The disadvantages of this invention are the complexity of the design, the absence of a multivariate control system for accurate dosing of liquid.

A known system for dispensing liquid for a refrigerator (patent document No. US6039219 (A). This device is built into the door of the refrigerator compartment and is intended for dispensing liquid in a domestic environment. The system can be used to dispense any liquid, but is especially useful for dispensing frequently consumed liquids such as milk and juice. In one embodiment, the system comprises reusable containers, while in its preferred embodiment the system can be adapted for disposable containers. In addition, an embodiment is provided that can accommodate both reusable and disposable containers. , the system includes the function of rinsing and the function of a predetermined amount of dispensed liquid.The disadvantages of this invention is its built-in nature in the refrigeration unit, which does not allow expanding the scope of application, the lack of an accurate dosing and control system (even in the version with the dose programming function, it is not possible to adjust it with maximum accuracy (the formulation is "half a cup"), it is impossible to dose at a great distance from the container with liquid.

Known Vending machine for batch filling and sale of dairy products (RF patent for utility model No. 110854), containing a housing made in the form of a sealed chamber, inside which a removable milk tank is installed and autonomous systems for cooling, dosing and filling fresh milk, mixing it inside are mounted milk tank and local flushing with clean water of the milk dispensing line, and on the front panel there is a control panel for the operation of the machine with an information display, a keyboard, a compartment for receiving money and a window for dispensing milk. The disadvantages of this solution are the complexity of the design, the impossibility of providing dosing at a distance from the container with the liquid.

The prototype of the claimed solution is a milk dispenser (Patent document No. US2017240399 (A1). The invention relates to the field of coffee machines, such as cafes and restaurants, and, in particular, to the field of automatic milk dispensers for such devices. The device is installed outside the refrigerator, and the bulk container is stored inside the refrigerator The dispenser is equipped with means for feeding milk from the bulk container to the pouring spout (inlet and outlet pipe, pump, connecting adapter, electric motor) Multiple bulk containers can be connected together to form a large a container for milk, which is entirely stored in the refrigerator The dispenser offers an option with an adjustable dosage of liquid (mainly two buttons for a precise volume and one for continuous liquid supply, other options for a complete set of buttons or control levers are possible) The dispenser is small and can be installed into the cold sludge or rack. The disadvantages of this invention are the inability to constantly clean the base of the dispenser and its connection to the sewage system, which reduces the level of hygiene, including during the dispensing process (the glass can be installed on a dirty surface), as well as in the absence of automatic control of the pump operation to maintain the feed rate liquids regardless of how far the dispenser is from the container.

The claimed technical solution is intended to eliminate the identified shortcomings, to optimize the process of supplying and dispensing liquid from refrigeration or other installations, containers.

FIG. 1, 3 show the main structural elements of the claimed utility model, where:

1 - stainless steel body;

2 - dispenser spout;

3 - lattice;

4 - power supply unit;

5 - rinser;

6 - control buttons;

7 - socket for connecting a 220V power cord;

8 - connector;

9 - pallet;

10 - siphon;

11 - gear pump;

12 - silicone hose;

13 - silicone hose;

14 - check valve;

15 - silicone hose;

16 - quick coupler

17 - plastic hose

18 - removable cover;

19 - button for turning the equipment on and off;

20 - control board;

21 - removable display.

FIG. 1 shows a general view of the claimed utility model "Automatic built-in system for supplying and dispensing liquid with a portable display." This system is a single device that includes a stainless steel case (1), a rinser (5), which is connected with a regular water pipe to hot or cold water, which allows you to quickly and efficiently wash any container after use, as well as maintain cleanliness. on the grill (not shown in the figure) by simply pressing the rinser when placing the glasses for dispensing liquid; there is a rinser inside the pallet (9), there is also a drain in the pallet in the form of a grate (3) and a siphon (10), with the help of which the draining takes place, the pallet is made with a certain slope, closed with a removable stainless steel grate, which allows you to put a wet container; on the upper part of the body there are control buttons (6), with which you can adjust the dispenser and carry out any programmed actions. Three types of dosage are configurable, plus free spillage (for adjustment, a removable display (21) is connected to the connector (8), where you can see three numbers with different doses in milliliters; an indicator on the panel (not shown in the drawing) signals the operability of the dispenser; on on the top of the panel there is a spout (2) made of stainless steel, with the help of which the dispensing takes place, the spout size is 130mm, which allows you to use any dishes during dispensing; on the back inner side of the device there is a socket (7) 220v, for connecting a power cord and equipment on / off button (19); power supply (4), control board (20), which gives commands for the operation of the device, it contains the pump operation algorithm - smooth running and increased performance if the container is located at a great distance from the dispenser ; gear pump (11), which allows uniform and accurate supply of liquid; remote display (21), connector for its connection (8); reverse the valve (14) serves to prevent the liquid from draining back into the gastronorm container and increases the dosage accuracy up to 1 milligram; silicone hoses (12, 13, 15), which create a line for the supply and dispensing of liquid; plastic hose (17), connected to the hose (12) by means of a quick-detachable union (16), while all hoses are of the same size d8, which minimizes the loss of milk flow rate. A removable cover (18) covering the equipment is included in the package of the device; if necessary, it can be easily removed without dismantling the equipment for preventive and repair work.

FIG. 2 shows the general electrical diagram of the pump control board. The 220V mains voltage is supplied to the QS1 switch, from which it is fed to the BP1 switching power supply. The rectified and stabilized 24V voltage supplies the "control board" and the M1 pump through a relay on this board. An external liquid crystal display LCD1 is connected via XP3 connector to display the set milk dosages. Control buttons are connected to XP4 connector. The KEY1..KEY3 buttons are programmed for the appropriate dose. The KEY4 button is used for initial filling of the system with milk or for cleaning the system with flushing liquid after operation or for long-term storage. The algorithm of the program is designed in such a way that allows you to easily rebuild the system for specific dosages of milk. The algorithm for automatic adjustment of the pump motor speed is as follows: a current sensor (shunt) measures the pump motor current, an operational amplifier and an analog-to-digital converter (ADC), which is part of the microcontroller, calculate this current and, depending on the load on the pump motor, adjust the duty cycle of the pulse width modulation (PWM) pulses, which, in turn, controls the pump motor. The PWM frequency is set in the region of 17 kHz, it is on the border of audibility of the human ear, therefore it does not create discomfort.

FIG. 3, the hydraulic system diagram is separately taken out, it consists of a gear pump (11), a plastic hose (17) placed in a container with liquid in a refrigerating device or outside it, connected to a quick-release fitting (16), as well as hoses (12, 13 and 15 ), through which the liquid circulates from the hose (17) to the spout (2) and the check valve (14) - a plastic product of the membrane type.

The dynamics of the dispenser operation is as follows: a hose (17) is mounted in a refrigeration or other device, which is connected through a quick release (16) to the hoses (13 and 12); when the control button (6) is pressed, information is sent to the control board (20), the gear pump (11) starts to work, respectively, liquid flows through the hoses (17, 12, 13 and 15) and exits through the spout (2) into a glass, a mug and etc .; The rinser (5) washes the grill (3) and the tray (9) to ensure the hygiene of further dispensing.

The use of a modern element base made it possible to significantly increase the dosage accuracy and reduce the cost of the finished product and save on ingredients, since this system does not overflow liquid.

The application of the claimed technical solution involves the implementation of the technical result: the creation of an optimal universal automated liquid dosing system by applying pump control algorithms - smooth running and increasing productivity if the container is located at a great distance from the dispenser (up to 10 meters).

The utility model has a feature of industrial applicability, FIG. 4 shows a realized sample, and FIG. 5 is a general view of a device built into a work surface.

Claims (1)

Automatic built-in liquid supply and dispensing system with a portable display, including a stainless steel housing, a product dispensing spout, a control panel consisting of dispensing buttons, three of which are set for accurate dispensing, and one is used for adding liquid, a voltage source, while the spout is connected to the hydraulic system, which includes a gear pump for fluid supply and product circulation hoses, a portable informative display with a computer input for fine-tuning the dosing system in the control system, characterized in that the pump is designed in such a way that it works according to the operation algorithm, prescribed in the motherboard, without loss of fluid flow rate at a considerable distance from the container up to 10 meters.

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