Switch preventing start current surge and power consumption in standby mode

FIELD: electricity.

SUBSTANCE: switch includes first and second contacts for power supply for device operation, as well as first and second closing/opening contacts connected to internal circuit of the electronic device. In addition, the switch includes power supply unit, activation key generating control signal for the internal circuit of electronic device, and delay unit setting a definite delay between actuation of contact switch and activation key when the device is switched on.

EFFECT: safe connection of an electronic device without current surge or powerful spark discharge, automatic disconnection of double-pole contact switch immediately or over some time after the power supply is switched off by software or upon internal circuit shutdown by control signal of activation key, preventing power consumption in standby mode.

3 cl, 15 dwg

 



 

Same patents:

FIELD: electricity.

SUBSTANCE: two-pin monolithic plug contains a monolithic insulating case with a restriction element inside, which is made as a hidden cylindrical cavity filled with elastic current-conducting material. One end of the restriction element is connected to the plug pin connected to the zero service wire while the second end serves to connect the earthing lead in a three-wire cable of a household appliance. Inside the case there is also a cavity with an opening outside and two electric contacts for placement of a miniature neon lamp inside it. One output of the lamp is connected to the metal contact mounted at the plug case; the other output is connected to the end of restriction element connected to the earthing lead in a three-wire cable of a household appliance.

EFFECT: reliable and safe earthing of electric equipment using two-pin plug at complete automation of its manufacturing with reduction in number of process steps.

2 cl, 1 dwg

FIELD: electricity.

SUBSTANCE: three-pin plug socket of European type with an earthing element is made with a body from insulation material, two metal seats (phase and zero working) and a double earthing contact. Inside the body there is a restriction element (resistor), one end of which is connected with the zero working contact, and the second - with the earthing contact. The restriction element is made in the form of a hidden cylindrical cavity inside a non-split monolithic body of the socket, filled with elastic current-conducting material. One end of the hidden current-conducting cavity is connected to the seat of the socket, which is connected to the zero working wire of the electric network. The second end of the hidden current-conducting cavity is connected to one of doubled earthing contacts of the socket, designed for connection with the earthing conductor of the three-core electric cord of a domestic electrical appliance. The socket also comprises a miniature neon lamp designed to alarm connection of the socket seat exactly with the zero working wire.

EFFECT: provision of reliable and safe earthing of electric equipment in double-wire networks using a plug socket with full automation of its manufacturing with reduction of number of process operations.

2 cl, 1 dwg

Wiring device // 2491688

FIELD: electricity.

SUBSTANCE: invention is related to a wiring device (1) consisting of the base (3), at that contact elements (8, 9, 12) placed in the rear end of the base (3) can be connected to the mains voltage and made by the supporting frame (4) of the base (3), special-purpose functional front element (5) fixed at front side of the base (3) and module (2) fixed at the base (3). The base (3) of the device is equipped with catcher space (19) which at the rear end is limited by the lower panel (21) of the device base (3) and in circumferential direction by walls (17, 18) of the device base (3); a separate module (2) is inserted into catcher space from the front side.

EFFECT: manufacturing of expandable wiring device easy for mounting and convenient.

11 cl, 8 dwg

FIELD: electricity.

SUBSTANCE: contact element for electric current transfer consists of a connecting terminal (10) and contact area (51) located opposite each other and in the centre of the base (50). Within the contact area (51) there are two functionally independent contact points (52, 53); each of them is equipped with a diverted form the base (50) pair (58, 59, 60, 61) of spring levers forming a socket (62, 65) for installation of a contact stud (32, 33, 54).

EFFECT: forming a contact element that ensures reliable and easy to mount contact for elements.

19 cl, 8 dwg

Identifiable cable // 2475905

FIELD: electrical engineering.

SUBSTANCE: cable (3) with at least two identifiable male connectors at the cable ends (1, 2); at least one connector (4, 9) is equipped with at least one signal sensor (5, 6) connected to at least one electric signal wire (21, 22) inside the cable (3) with at least one more connector (9, 4) at the other end of the cable so that in case of power delivery into the electric signal wire (21, 22) at one connector at least one signal sensor (5, 6) is activated at another connector; additionally proposed is a method for identification of the cord connectors consisting in laying the cable with at least one electric control conductor, at least one indicator element in the male connector at the cable end, at least one activating element in the male connector at the cable end for power delivery into the electric control conductor for supply of power to the indicator element of the cable element to be identified by way of power delivery into the electric control conductor from the activating element which results in activation of the indicator in the male connector as well as for identification of a connector pertaining to the cable according to the indicator reading.

EFFECT: invention enables reduction of costs, time losses, labour intensity and work operations number.

12 cl, 7 dwg

Extension cord // 2458442

FIELD: electricity.

SUBSTANCE: extension cord socket is equipped with a fire alarm sensor, connected in series with a sliding normally closed contact arranged as capable of serial connection of the extension cord socket fire alarm sensor with a fire alarm sensor of a code of an electric device, the plug of which is inserted in it, and the extension cord plug comprises a double-lamellate pin, lamellas of which are connected via fire alarm strands of the extension cord cable with serially connected fire alarm sensor and sliding normally closed contact of the extension cord socket.

EFFECT: higher reliability of fire protection and reduced capital costs when developing a fire alarm system due to bringing sensors closer to fire-hazardous sites.

1 dwg

Electric socket // 2458441

FIELD: electricity.

SUBSTANCE: socket is equipped with a fire alarm sensor connected in series with a sliding normally closed contact arranged as capable of serial connection of the socket fire alarm sensor with a fire alarm sensor of an extension cord or an electric receiver cord, the plug of which is inserted into this socket.

EFFECT: higher fire safety and reduced capital costs when developing a fire alarm system due to bringing sensors closer to fire-hazardous sites.

1 dwg

FIELD: electricity.

SUBSTANCE: two-part inductance connector comprises the first part, comprising the first half of the core, and the second part comprising the second half of the core. The first part comprises the first fixing facilities, which interact with the second fixing facilities on the second part. One of the first or the second parts also comprises a pin for placement in a groove formed in the other first or second part. The connector has a position of unfixturing, in which the first and the second halves of the core are not matched, and in which the first and the second fixing facilities do not interact, and a position of fixturing, in which the first and the second halves of the core are matched, and the first and second fixing facilities interact. The connector may be arranged as capable of displacement between unfixturing and fixturing positions, by means of relative rotation of the first and second parts around the specified pin.

EFFECT: invention provides for quick and simple variation of the connector position from the unfixturing position into the fixturing position and back without the necessity of additional positioning of the connector parts.

26 cl, 15 dwg

FIELD: electricity.

SUBSTANCE: cell includes one or more devices of the main equipment, which are intended to perform one or more main functions (e.g. interruption, leading of rated current, holding of short circuit, disconnection, ground short circuit, insulation of current-carrying parts from operators) and one or more secondary devices of equipment, which are intended to perform secondary functions (e.g. protection, interlocking, observation, control, measurement and dosing). At least the first intelligent electronic device interacts promptly with the above one or more devices of secondary equipment by means of digital communication bus which is connected to the appropriate first digital connector.

EFFECT: creation of cell with decreased number of rigid wire connections.

18 cl, 13 dwg

Plug device // 2419932

FIELD: electricity.

SUBSTANCE: plug device includes block of control circuit of plug, which is built into the main part of plug of electrotechnical item, which his inserted in power supply socket. Block of plug control circuit includes switching unit connected to inner lines of power supply of block of plug control circuit, current detecting unit for detection of current flowing from inner lines of power supply to electrotechnical item, wireless unit for receiving external wireless control signal of plug, and controller to check the current value corresponding to non-function of electrotechnical item, and control of switching unit for switching-on or switching-off in compliance with check result.

EFFECT: providing the possibility of controlling power supply of electrotechnical item by means of plug of electrotechnical item.

8 cl, 5 dwg

FIELD: electricity.

SUBSTANCE: device (13) to interrupt electric current passing via a transmission line (14) or to distribute energy, comprises parallel connection of the main breaker (8) and a non-linear resistor (11). The main breaker (8) comprises at least one powerful semiconductor switch of the first current direction of current. The device (13) additionally comprises a serial connection of a high-speed switch (10), comprising at least one mechanical switch and an auxiliary breaker (9), which has lower resistance in open condition, compared to the main breaker (8) and comprises at least one powerful semiconductor switch of the first current direction. This serial connection is connected in parallel to the parallel connection. In the method to use the device (13) at first the auxiliary breaker (9) is opened, thus switching the current to the main breaker (8), afterwards they open the high-speed switch (10), and then they open the main breaker (8), thus switching current to the non-linear resistor (11). The device (13) may additionally be used in the current limitation layout.

EFFECT: invention provides for DC interruption with reduction of losses in stable condition in powerful semiconductor breakers.

39 cl, 12 dwg

FIELD: electricity.

SUBSTANCE: modular circuit device (10) for switching of electric capacities comprises a relay panel (40) and an adapter (30), connected in a detachable manner with the relay panel (40). The adapter (30) comprises a semiconductor relay (60) and a control device (50) electrically connected to it. Besides, there is a relay (20), which is connected in a detachable manner electrically and mechanically with the adapter (30) so that in the condition after connection the semiconductor relay (60) is connected in parallel to the mechanical switch (22) of the relay (20), besides, the control device (50) may control the relay (20) and the semiconductor relay (60) at different moments of time.

EFFECT: reduced extent of wear of normally open contacts of relay, closed and opened without load.

9 cl 3 dwg

FIELD: electrical engineering.

SUBSTANCE: invention relates to a decoupler device (1) intended for breaking DC between a DC source (2) and an electric device (3), in particular - between a photogalvanic generator and an inverter with a current-conductive mechanical switching contact (7a, 7b) and semiconductor electronic means (8) placed in parallel to the switching contact (7a, 7b). When the switching contact (7a, 7b) is closed, the electronic means (8) discontinue current supply, with the control input (15) of the semiconductor electronic means (8) connected to the switching contact (7a, 7b) so that when the switching contact (7a, 7b) is opened, the electric arc voltage (Ulb) generated on the switching contact (7a, 7b) as a result of electric arc (LB) connects the semiconductor electronic (8) in an electrically conductive way.

EFFECT: electric arc usage for semiconductor electronic means work which excludes he necessity to continuously use an external energy source.

7 cl, 3 dwg

FIELD: electricity.

SUBSTANCE: device to connect and disconnect the load to or from an AC voltage supply line comprises two mechanical switches (60, 61), connected in series in a current circuit between the above load and above supply line, at the same time each switch has a bypass branch with at least one element (64, 65), capable of blocking current passing through it, at least in direction of blocking, and of passing current through it at least in one direction, and a unit made as capable to control the procedure of disconnection and connection synchronously with the current in the supply line and voltage in the supply line, accordingly.

EFFECT: reduced current rush during connection and disconnection.

45 cl, 32 dwg

Switching device // 2039387
The invention relates to a switching scheme for creating and opening capacitive, inductive and resistive loads

FIELD: electricity.

SUBSTANCE: device to connect and disconnect the load to or from an AC voltage supply line comprises two mechanical switches (60, 61), connected in series in a current circuit between the above load and above supply line, at the same time each switch has a bypass branch with at least one element (64, 65), capable of blocking current passing through it, at least in direction of blocking, and of passing current through it at least in one direction, and a unit made as capable to control the procedure of disconnection and connection synchronously with the current in the supply line and voltage in the supply line, accordingly.

EFFECT: reduced current rush during connection and disconnection.

45 cl, 32 dwg

FIELD: electrical engineering.

SUBSTANCE: invention relates to a decoupler device (1) intended for breaking DC between a DC source (2) and an electric device (3), in particular - between a photogalvanic generator and an inverter with a current-conductive mechanical switching contact (7a, 7b) and semiconductor electronic means (8) placed in parallel to the switching contact (7a, 7b). When the switching contact (7a, 7b) is closed, the electronic means (8) discontinue current supply, with the control input (15) of the semiconductor electronic means (8) connected to the switching contact (7a, 7b) so that when the switching contact (7a, 7b) is opened, the electric arc voltage (Ulb) generated on the switching contact (7a, 7b) as a result of electric arc (LB) connects the semiconductor electronic (8) in an electrically conductive way.

EFFECT: electric arc usage for semiconductor electronic means work which excludes he necessity to continuously use an external energy source.

7 cl, 3 dwg

FIELD: electricity.

SUBSTANCE: modular circuit device (10) for switching of electric capacities comprises a relay panel (40) and an adapter (30), connected in a detachable manner with the relay panel (40). The adapter (30) comprises a semiconductor relay (60) and a control device (50) electrically connected to it. Besides, there is a relay (20), which is connected in a detachable manner electrically and mechanically with the adapter (30) so that in the condition after connection the semiconductor relay (60) is connected in parallel to the mechanical switch (22) of the relay (20), besides, the control device (50) may control the relay (20) and the semiconductor relay (60) at different moments of time.

EFFECT: reduced extent of wear of normally open contacts of relay, closed and opened without load.

9 cl 3 dwg

FIELD: electricity.

SUBSTANCE: device (13) to interrupt electric current passing via a transmission line (14) or to distribute energy, comprises parallel connection of the main breaker (8) and a non-linear resistor (11). The main breaker (8) comprises at least one powerful semiconductor switch of the first current direction of current. The device (13) additionally comprises a serial connection of a high-speed switch (10), comprising at least one mechanical switch and an auxiliary breaker (9), which has lower resistance in open condition, compared to the main breaker (8) and comprises at least one powerful semiconductor switch of the first current direction. This serial connection is connected in parallel to the parallel connection. In the method to use the device (13) at first the auxiliary breaker (9) is opened, thus switching the current to the main breaker (8), afterwards they open the high-speed switch (10), and then they open the main breaker (8), thus switching current to the non-linear resistor (11). The device (13) may additionally be used in the current limitation layout.

EFFECT: invention provides for DC interruption with reduction of losses in stable condition in powerful semiconductor breakers.

39 cl, 12 dwg

FIELD: electricity.

SUBSTANCE: switch includes first and second contacts for power supply for device operation, as well as first and second closing/opening contacts connected to internal circuit of the electronic device. In addition, the switch includes power supply unit, activation key generating control signal for the internal circuit of electronic device, and delay unit setting a definite delay between actuation of contact switch and activation key when the device is switched on.

EFFECT: safe connection of an electronic device without current surge or powerful spark discharge, automatic disconnection of double-pole contact switch immediately or over some time after the power supply is switched off by software or upon internal circuit shutdown by control signal of activation key, preventing power consumption in standby mode.

3 cl, 15 dwg

FIELD: electrical engineering.

SUBSTANCE: the protective connector for telecommunication equipment element has a casing, several connecting contacts, which are connected in an assembled state to the contacts of the telecommunication equipment element and are made, at least partially, in the form of strips of sheet metal, the connecting contacts are positioned at least in parallel with one another, as a result, two parallel planes are formed, at least one grounding contact connected to the ground in the mounted position, at least one wireless protective component and at least one wire component are positioned between the planes formed by the connecting contacts and are in a direct contact with the connecting contacts and, if necessary, with the grounding contact.

EFFECT: provided a reliable contact.

12 cl, 4 dwg

Up!