RU89347U1 - STEAM AND CONVECTIVE UNIT - Google Patents

Abstract

1. Steam-convection apparatus containing a casing and a heat-insulated working chamber installed on the base, a door, a steam generator, a water supply and drainage system, as well as shelf holders, a fan and heating elements placed in the working chamber, characterized in that an electromechanical panel is inserted into it control, electromagnetic starter and relay. ! 2. Steam-convection apparatus according to claim 1, characterized in that the electromechanical control panel comprises a housing, a control unit with indication, switches and a keyboard.

Description

The utility model relates to the field of thermal equipment for public catering enterprises, in particular, to steam-convection apparatus and can be used both independently and as part of a technological line.

Known steam-convection apparatus (1) containing a casing, base, heat-insulated working chamber, door, shelf holders, fan, heating elements, steam generator, water supply and wastewater system.

A disadvantage of the known apparatus is the limited functionality of the device, which does not allow to implement additional functions: the cooling function of the working chamber and the shutdown function of part of the heating elements.

The closest in technical essence to the claimed solution is a steam-convection apparatus (2) containing a casing, a base, a heat-insulated working chamber, a door, shelf holders, a fan, heating elements, a control panel, a steam generator, a water supply and wastewater system.

A disadvantage of the known apparatus is also the limited functionality of the device, which does not allow to implement additional functions: the cooling function of the working chamber and the shutdown function of part of the heating elements.

The technical result of the utility model is the elimination of these shortcomings.

The technical result is achieved by the fact that in the steam-convection apparatus containing a casing and a heat-insulated working chamber installed on the base, a door, a steam generator, a water supply and drainage system, as well as shelf holders, a fan and heating elements placed in the working chamber, an electromechanical control panel is introduced , electromagnetic starter and relay.

The electromechanical control panel comprises a housing, a control unit with indication, switches (buttons) and a keyboard.

A distinctive feature of the utility model is that an electromechanical control panel, an electromagnetic starter and a relay are additionally introduced into the well-known steam-convection apparatus, and the electromechanical control panel contains a housing, a control unit with indication, switches (buttons) and a keyboard.

Figure 1 presents a General view of a steam-convection apparatus, figure 2 - a system of water supply and sanitation, figure 3 - control panel.

The accompanying drawings show a steam-convection apparatus, where the following notation is accepted:

1 - thermally insulated working chamber;

2 - fan;

3 - a casing;

4 - shelf holders;

5 - door;

6 - base;

7 - electromechanical control panel;

8 - a protective wall;

9 - electromagnetic valve for supplying water to the steam generator;

10 - steam generator;

11 - tank for monitoring the liquid level in the steam generator;

12 - thermal switch (130 ° С);

13 - valve for releasing air into the atmosphere with an electric actuator;

14 - drainage collector;

15 - discharge of water into the sewer;

16 - keyboard (film);

17 - switches (buttons);

18 - panel body;

19 - control unit with indication;

20 - electromagnetic starter;

21 - relay.

Steam-convection apparatus (Fig. 1) contains a heat-insulated working chamber 1 located in the casing 3, mounted on the base 20. Inside the working chamber 1, shelf holders 4 are installed, as well as a fan 2 and heating elements separated from the working area by the protective wall 8 (in the drawing not shown). The fan 2 is driven by an electric motor (not shown in the drawing) mounted on the side wall of the working chamber 1.

The electromechanical control panel 7 includes a housing 18, a control unit with an indication 19, switches (buttons) 17 and a keyboard 16.

The circulation of air in the working chamber 1 is ensured by suction by the fan 2 of air from the working area of the chamber and forcing it back into the working area using the heat energy received from the heating elements.

For partial sealing of the working chamber 1 serves as a door 5. On the front surface of the casing 3, a control panel 7 is installed.

The water supply and drainage system (FIG. 2) of the steam-convection apparatus (PKA) contains an electromagnetic valve 9 for supplying water to the steam generator 10, a tank 11 for controlling the liquid level in the steam generator 10, a temperature switch 12 (130 ° C), an air discharge valve 13 with electric drive, drainage collector 14, drainage of water into the sewer 15.

Switches (buttons) 7, electromagnetic starter 20 and relay 21 allow you to implement the cooling function of the working chamber and turn off part of the heating elements.

The steam generator 10 generates and provides steam to the working chamber at various predetermined modes. Water in the steam generator 10 comes from the water supply network. The water level is maintained automatically by means of an electromagnetic valve 9. To control the water level in the steam generator 10, a tank 11 with electrodes installed in it (not shown) is used. When the water level in the tank 11 drops below a predetermined value, the electromagnetic valve 9 opens and the steam generator 10 is filled. When the water in the tank 11 rises to the upper level, the valve 9 closes and the water supply stops. To prevent an emergency situation when the automatic water supply system fails, a thermal switch 12 is installed in the steam generator 10, which, when the temperature in the steam generator reaches 130 ° C, turns off the PCA. For ventilation of the working chamber, a valve 13 is used to release air into the atmosphere with an electric actuator, which opens only to the convention mode. The collector 14 allows for constant communication with the atmosphere and to prevent the creation of excessive pressure in the chamber.

Steam, passing through the working chamber 1, enters the drainage collector 14, where it is cooled, and the resulting water is discharged into the sewer through drain 15.

The utility model allows to expand the functionality of the device: to implement the functions of cooling the working chamber and turning off part of the heating elements.

Sources of fame:

1. RF patent No. 66924 of 10.10.2007

2. RF patent No. 56145 dated 05/06/2006

Claims (2)

1. Steam-convection apparatus containing a casing and a heat-insulated working chamber installed on the base, a door, a steam generator, a water supply and drainage system, as well as shelf holders, a fan and heating elements placed in the working chamber, characterized in that an electromechanical panel is inserted into it control, electromagnetic starter and relay. 2. Steam-convection apparatus according to claim 1, characterized in that the electromechanical control panel comprises a housing, a control unit with indication, switches and a keyboard.