A portable, hand-held, standalone guard device with an active warning means

A portable, hand-held, standalone guard device (1) with active warning means, the device comprises a housing (2) with a front panel (6), surveillance and event fixation means in a form of an infrared (17) and a radio-frequency (18) intrusion sensor, a motion/movement fixation module (12) with a video camera (13), the module is mounted on the front panel (6), a microphone (11), a starter unit (14) in a form of a power-up button (15) and light-emitting diode indicators (16), power supply means in a form of a main power and recharging unit (19) and a standalone power supply unit (20) with batteries (21), communication means in a form of a WiFi module (34) with a WiFi antenna (35), a GSM module (36) with a GSM antenna (37), active warning means in a form of a lighting warning means (28), a low-frequency (26) and a high-frequency (27) alarm (being acoustic warning means), a gas warning means (33), a wireless reader (41) of cards and ISO/IEC 14443 standards' tags and a wireless keys reading antenna (42), MOSFET power keys (59) of a system for controlling the active warning means (26), (27), (28), (33), a microprocessor module (44) with a main memory unit (45) and with a software that is configured to control the operation of the device (1) at least in a “standby” mode and in an “automatic warning mode” through the MOSFET power keys (59) of the system for controlling the active warning means (26), (27), (28), (33), wherein the microprocessor module (44) is interconnected to and has channels for exchanging signals, data, information with the starter unit (14), with the infrared (17), and with the radio-frequency (18) intrusion sensors, with the wireless reader (41) of cards and ISO/IEC 14443 standards' tags, and the microprocessor module (44) by means of the communication means in the form of the WiFi module (34) and the GSM module (36) is interconnected to and has channels for exchanging signals, data, information with an external software that is located in a wide area network and in local area networks, characterized in that the housing (2) is made in a form of a structural base of the device (1) and comprises a protective envelope (3) with walls (4), a first (8) and a second (9) internal frame elements which are removable form the protective envelope (3) and insertable into the protective envelope (3), a removable rear panel (5) having an internal plane which a main control board with the microprocessor module (44) is secured to, and the removable front panel (6) with a removable protective cap (7), wherein the first internal frame element (8) is a base for securing other structural elements, and the second internal frame element (9) is a housing for the gas or an aerosol, or gas-aerosol warning means (33), furthermore, a display (10) is

A double-circuit electric boiler, comprising:

• a power supply system, control elements, a housing (5) having inside a container (1) for a water of a hot water supply circuit, the container (1) having inside at least one electric heater (27) for the water of the hot water supply circuit, and a container (2) for a heat-carrying agent of a warming circuit, wherein at least one electric heater (3) of the heat-carrying agent of the warming circuit is mounted inside the container (2), and each of said two containers (1), (2) comprises an inlet and an outlet ducts (9,11 and 8,10), and the container (1) for the water of the hot water supply circuit comprises a heat insulation layer (4), characterized in that the container (2) for the heat-carrying agent of the warming circuit, along with the at least one electric heater (3) of the heat-carrying agent of the warming circuit mounted in the container, is mounted and sealably and rigidly secured inside the container (1) for the water of the hot water supply circuit such that one of surfaces of the container (2) for the heat-carrying agent of the warming circuit is an outer wall (7) that is disposed and secured outside the container (1) for the water of the hot water supply circuit such that an inner surface (29) of the outer wall (7) is in a contact with a mounting wall (16) of the container (1) of the hot water supply circuit, and an outer surface (30) of the outer wall (7) is disposed outside the container (1) of the hot water supply circuit, wherein the outer surfaces of inner walls (6) of the container (2) of the heat-carrying agent of the warming circuit that is disposed inside the container (1) for the water of the hot water supply circuit are in a contact with the water of the hot water supply circuit inside the container (1) for the water of the hot water supply circuit, furthermore, the at least one electric heater (3) of the heat-carrying agent of the warming circuit is fully isolated by the inner walls (6) of the container (2) of the warming circuit from a contact with the water of the hot water supply circuit that is disposed inside the container (1) of the hot water supply circuit, wherein the outlet duct (8) for drain of the heat-carrying agent from the container (2) of the warming circuit and the inlet duct (9) for supplying the heat-carrying agent into the container (2) of the warming circuit are sealably mounted and secured in technological openings of the outer wall (7) of the container (2) of the warming circuit, and their end openings are sealably coupled to the corresponding technological openings of the container (2) of the warming circuit inside the container (1) of the hot water supply circuit, and an outlet duct (10) for drain of the water from the container (1) of the hot water supply circuit and an inlet duct (11) for supplying the water into the container (1) of the hot water supply circuit are sealably mounted and secured in the corresponding technological openings of one of the walls of the container (1) of the hot water supply circuit such that their end openings are disposed inside the container (1) of the hot water supply circuit and areas of these outlet (10) and inlet (11) ducts, which are disposed inside the container (1) for the water of the hot water supply circuit, are fully isolated by the inner walls (6) of the container (2) of the heat-carrying agent of the warming circuit from a contact with the heat-carrying agent in the container (2) of the warming circuit, furthermore, inside the container (2) of the warming circuit, there is mounted a temperature sensor (12) for the heat-carrying agent in the container (2) of the warming circuit such that this temperature sensor (12) is fully isolated by the inner walls (6) of the container (2) from a contact with the water in the container (1) of the hot water supply circuit, and inside the container (1) of the hot water supply circuit, there is mounted a temperature sensor (13) for the water in the container (1) such that this temperature sensor (13) is fully isolated by the inner walls (6) of the container (2) for the heat-carrying agent of the warming circuit from a contact with the heat-carrying agent in the container (2) of the warming circuit, furthermore, the at least one electric heater (27) for the water of the hot water supply circuit is mounted and sealably secured in the corresponding technological opening of one of the walls of the container (1) for the water of the hot water supply circuit in such a way that heating sections of the electric heater (27) are disposed inside the container (1) of the hot water supply circuit and are fully isolated by the inner walls (6) of the container (2) for the heat-carrying agent of the warming circuit from a contact with the heat-carrying agent in the container (2) of the warming circuit.