SI20703A - Kitchen device for removing cooking fumes with a fire protection device - Google Patents

Abstract

The subject of the invention is a kitchen device for removing cooking fumes with a fire protection device enabling automatic control over the operating of cooking devices and steering other warning and safety elements for fire prevention. A temperature sensor (2) located within the kitchen device for removing cooking fumes (1) is connected to an electronic control circuit (3) and the latter to an electric motor (4) of said kitchen device (1), a device (5) for emission of acoustic signals, an electromagnetic valve (6) and/or a contactor (7). An automatic fire-extinction chamber (8) is located in the vicinity of the said kitchen device (1) too.

Description

is The object of the invention is a suction hood with a fire protection device, which enables automatic control of the operation of the cooking appliances and controls other warning and safety elements for fire prevention. The invention belongs to class F24F 11/053 of the international patent classification.

The technical problem that the present embodiment successfully solves is the design solution and the implementation of such a cooker hood with a fire protection device that will allow effective control of the operation of the cooking appliances,

Known designs of kitchen hoods are designed in such a way that it is possible to manually switch on a fan that is mounted in the hood and connected to the hose by the vent. This method of switching on the hood is appropriate when the cooking appliances are operated and operated directly. However, due to the automatic operation of the cooking appliances, direct operation and control are no longer required. Namely, it is possible to program individual cooking devices by switching them on and performing the cooking process without direct control. In these cases, due to defects in the process of operation of the cooking appliances themselves, overheating can occur and, as a last resort, a fire may occur in the cooking zone.

GB 2 210 966 discloses a control device for controlling the rise in temperature and humidity in a room, e.g. the kitchen. The design solution does not directly control the cooking appliances but only allows the entire room to be ventilated with a special fan. In the event of a fire in the cooking zone, such a device not only does not allow for automatic extinguishing, but may even accelerate burning.

We will explain the extraction hood with the fire protection device on the basis of the example and the pictures, showing:

FIG. 1 is a schematic view of a suction hood with a sensor of the fire protection device according to the invention; FIG.

Fig. 2 is a block diagram of a fire protection device according to the invention.

The extraction hood with a fire protection device is shown schematically in Figure 1. The extraction hood 1 has a suitable location, e.g. in the middle at the lower inner edge or the like, a temperature sensor 2 is mounted. A temperature sensor 2 is connected to the input of the electronic control circuit 3, the outputs of which are connected to the hood 4 of the hood 1, the sound signaling device 5, the solenoid valve 6 which is mounted on the gas supply pipe and / or io contactor 7, which disconnects the electric heaters. In addition, an automatic firebox 8 is installed in the hood 1.

A temperature sensor 2 located in the range of the hood 1 detects the temperature above the cooking elements. At an elevated temperature above the cooking elements (the temperature can be adjusted), the hood 4 automatically switches on via the electronic control circuit 3. If the temperature rises further, at a certain (adjustable) temperature, a device 5 for sound signaling is activated, indicating possibility of fire. In the event of a fire, the automatic extinguishing chamber 8 is activated as the temperature rises further at 90 ° C, while the solenoid valve 6 and / or contactor 7 are activated to switch off the gas and / or electric cooking appliances. Activation of the automatic extinguisher chamber 8, which can be designed as a plastic cylindrical body in which the substance is suitable for extinguishing, is carried out in such a way that the elevated temperature melts the outer envelope of the automatic extinguishing chamber 8, after which its contents are poured onto the cooking surfaces and the fire extinguished.

A suction hood with a fire protection device enables automatic control of programmed cooking, or automatic warning of abnormal operation of cooking appliances, and prevents a fire in the cooking zone by reacting and switching on certain warning or safety elements at certain temperature rises above the cooking appliances. In the event that any other factors cause a fire, io also provides an effective automatic fire extinguisher.

Claims (2)

PATENTNIA APPLICATION 1. 2. 1. 2. Exhaust hood with a fire protection device, characterized in that a temperature sensor (2) and an automatic firebox (8) are located in the range of the cooking hoods (1). Extractor hood with fire protection device according to claim 1, characterized in that the temperature sensor (2) is connected to the input of the electronic control circuit (3), the outputs of which are connected to the hood (4) of the hood (1), the device ( 5) for sound signaling, solenoid valve (6) in the gas supply pipe and / or contactor (7), for switching off the electric heating plates.