46results about How to "Avoid closing" patented technology

The invention provides a stopping device of a roller shutter door motor, and relates to the technical field of roller shutter doors. The stopping preventing device of the roller shutter door motor comprises a roller shutter door body, a winding roller, a first motor, a second motor and an oil coating brush, the roller shutter door body is wound on the outer surface of the winding roller, fixing plates are fixedly connected to the two ends of the winding roller, a mounting plate is arranged above the winding roller, the first motor is fixedly connected to the bottom of the mounting plate, and the second motor is fixedly connected to the bottom of the mounting plate. The driving end of the first motor is fixedly connected with a driving rod, the end, away from the first motor, of the driving rod and the end, away from the winding roller, of the driving rod are fixedly connected with transmission gears in a penetrating mode, and the outer surfaces of the two transmission gears are connected with a transmission chain in an engaged mode. The lead screw is driven by the second motor, so that the stopping plate can rapidly and accurately move to the preset position to make contact with the driving rod of the first motor and achieve stopping, the roller shutter door is effectively prevented from being opened or closed under the uncontrolled condition, and safety and stability are enhanced.

The invention discloses a high-low voltage power transformation cabinet convenient for wire arrangement, and relates to the technical field of high-low voltage power transformation cabinets, the high-low voltage power transformation cabinet convenient for wire arrangement comprises a shell, a support is fixedly installed at the bottom of the shell, a cabinet door is rotatably installed on the front surface of the shell, and a cooling fan is fixedly installed at the top of the shell; a fixing frame is fixedly installed on the inner wall of the shell, an electronic device is fixedly installed on the side, close to the cabinet door, of the fixing frame, a wiring board is fixedly installed on the inner wall of the shell, a fixing device is further arranged in the shell, and the transverse rod is limited through a fixing key so that the cabinet door can be firmly locked when closed. Only the rotating handle is rotated to drive the inclined panel to move so as to release the limiting of the cross rod, so that the cabinet door is opened, the opening difficulty of the cabinet door is increased, misoperation can be avoided, and electrical equipment is prevented from being closed or adjusted during operation.

The fireproof valve with the electric auxiliary reset function comprises a fireproof valve body, an actuator and an auxiliary controller, the top of the fireproof valve body is connected with a mounting plate, the top of the mounting plate is connected with two sets of hanging rings, the two sides of the fireproof valve body are each provided with an air inlet and outlet connector, and the air inlet and outlet connectors are connected with the actuator. A driving blade and two sets of driven blades are arranged in the air inlet and outlet connector, the driving blade is located in the center of the air inlet and outlet connector, the two sets of driven blades are arranged on the upper side and the lower side of the driving blade correspondingly, and the actuator is connected to one side of the fireproof valve body. The auxiliary controller is connected to the side, away from the fireproof valve body, of the actuator, a pull ring is arranged below the actuator, a pull rope is connected between the actuator and the pull ring, after a fire behavior is over, the fireproof valve can be assisted to reset, the resetting process is safer and simpler, and when no fire behavior exists, the fireproof valve can be reset through the pull rope. And the fire damper is prevented from being closed due to misoperation.

The application provides a temperature determination method, a refrigerator and a storage medium. The method is applied to the technical field of refrigerators. The method is applied to a refrigerator. The refrigerator is internally provided with a plurality of temperature sensors. The method comprises the following steps: collecting original temperatures of articles in the refrigerator monitored by the plurality of temperature sensors respectively under the condition that the refrigerator is in a stable state; calibrating each original temperature based on a reference temperature to obtain a calibration temperature corresponding to each original temperature; wherein the reference temperature is an average temperature of the plurality of original temperatures; and determining the temperature of the articles in the refrigerator based on the calibration temperatures corresponding to the plurality of original temperatures respectively. The method can accurately obtain the temperature of the articles in the refrigerator.

The invention aims to provide a wide-range methanol / diesel oil dual-fuel injector with high injection stability, and belongs to the field of engines. A methanol injection control multi-way electromagnetic valve assembly is installed in the diesel oil connector body, a diesel oil injection control electromagnetic valve assembly is installed in the injector intermediate body, an oil way stop valve assembly is installed in the cone valve body, multi-position nested needle valve assemblies are installed in the inner needle valve intermediate body and the nozzle body, and a high-pressure methanol connector is installed on the side of the methanol connector body. A high-pressure diesel connector is installed on the side of the diesel connector body. According to the methanol / diesel oil dual-fuel independent injection system, methanol / diesel oil dual-fuel independent injection can be achieved, the methanol injection working condition range can be remarkably widened, the injector needle valve response characteristic is improved, the oil return amount is reduced, and then the methanol injection stability is improved; and various injection modes such as methanol micro-injection, diesel injection and methanol large-flow shoe-shaped injection can be realized.

The utility model relates to the technical field of vehicle testing, and particularly discloses a vehicle wireless communication testing system, which comprises a satellite navigation communication data acquisition module arranged at the upper end of a tested vehicle, a cellular mobile communication data acquisition module and a data analysis end for analyzing satellite navigation communication data and cellular mobile communication data are respectively arranged in the test vehicle; the data analysis end is respectively connected with the satellite navigation communication data acquisition module and the cellular mobile communication data acquisition module; the satellite navigation communication data acquisition module comprises a GNSS antenna which is installed on the upper surface of the roof of a tested vehicle, the height of the GNSS antenna is not larger than 70 mm, and the occupied area of the GNSS antenna is not larger than 4.86 square decimeters; and the navigation reference equipment is mounted on the lower surface of the roof of the test vehicle. In this way, the test efficiency of vehicle wireless communication can be improved.

The invention discloses a push rod control method and a range hood, the push rod control method is used for the range hood, when the range hood operates for the first time, current data of a driving motor in the whole working period are collected, the collected current data is multiplied by a coefficient k larger than 1, and the product is used as a current limit value set and stored; when the push rod runs next time, collecting a real-time current value of the driving motor, comparing the real-time current value with a current limit value Z at the same time last time, if the real-time current value is smaller than or equal to the current limit value Z last time, multiplying the real-time current value which is just collected by a coefficient k to update the current limit value Z, and if the real-time current value is larger than the current limit value Z last time, accumulating times, when the accumulated number of times exceeds a preset number of times threshold value n, judging that abnormity exists, and controlling the driving motor to stop working; according to the push rod control method provided by the invention, the assembly error when the extractor hood is installed is fully considered, and the problem that the baffle cannot be normally closed due to the fact that the drive motor of the push rod triggers protection by mistake can be effectively avoided.

The present application relates to the technical field of battery swap stations, and specifically provides a door management method for an unattended battery swap station system, which aims to solve the problem that the door body of the current unattended battery swap station is only judged by the sensor near the door body whether to close the door body, without combining the specific conditions in the station, and there is a safety hazard. For this purpose, the door management method for the unattended battery swap station system judges whether the door body meets the closing condition through an AI edge computing unit, the AI edge computing unit can empower the entire unattended battery swap station system, so that the battery swap station has the ability of unattended, and the AI edge computing unit can identify and judge whether the door body meets the closing condition in combination with the situation in the battery swap station, improve the safety performance of the battery swap station, solve the problem that the door body of the current unattended battery swap station is only judged by the sensor near the door body whether to close the door body, without combining the specific conditions in the station, and there is a safety hazard.

The utility model discloses a control power distribution cabinet with a maintenance tool, which relates to the technical field of power distribution cabinets and comprises a power distribution cabinet body, one side of the power distribution cabinet body is rotatably connected with a cabinet door, one side of the cabinet door close to the power distribution cabinet body is provided with a protruding end, one side of the protruding end is provided with a plurality of grooves, and the grooves are arranged in the grooves. In actual operation, when the cabinet door is in a closed state, the L-shaped supporting rod is pressed downwards into the clamping groove, when the cabinet door is opened, the L-shaped supporting rod is pressed downwards into the clamping groove, and when the cabinet door is closed, the L-shaped supporting rod is pressed downwards into the clamping groove, the L-shaped supporting rod is pressed downwards into the clamping groove, and the L-shaped supporting rod is pressed downwards into the clamping groove, so that the L-shaped supporting rod is pressed downwards into the clamping groove. The L-shaped supporting rod loses the pressure of the power distribution cabinet body, the L-shaped supporting rod and the vertical rod can be driven to stretch out upwards through the elastic force of the telescopic piece, the vertical rod can drive the bearing plate and the overhaul tool on the bearing plate to rise while stretching out upwards, the overhaul tool stretches out of the embedded groove, and personnel can take the overhaul tool conveniently.

The utility model belongs to valve technical field relates to a kind of three-way ball valve of anti-misoperation, including ball valve body, the top of ball valve body is equipped with valve stem, the top of valve stem is connected with handle, the top of valve stem is equipped with connecting block, one end of handle is rotatably connected on the connecting block in vertical plane, one end of handle close to valve stem is vertically downward and is equipped with limit rod, the side of ball valve body is equipped with the limit block that limit rod is directly opposite, limit block is equipped with limit hole, when handle is in horizontal state, the bottom end of limit rod is inserted into limit hole, reset mechanism for maintaining handle in horizontal state is equipped between connecting block and handle. When the ball valve body is in open or closed state, the handle is in horizontal state, the bottom end of limit rod is inserted into limit hole, so as to lock the handle, prevent misoperation and open or close the ball valve body.

The utility model discloses a track ball valve convenient to dismount, including main part, dismounting mechanism and cooperation mechanism, the dismounting mechanism includes dismounting cover and driving piece, the cooperation mechanism includes fixed frame and first spring, under the mutual cooperation of above -mentioned mechanism, this design of device allows maintenance personnel to contact the internal part of valve directly from above, does not need to dismount whole valve from pipeline, like this can reduce parking time, improve maintenance efficiency, reduce production cost, in addition, this design of device makes that dismounting cover can open and close easily, has simplified the process of maintenance and replacement internal part, in addition, the design of easy dismounting also helps to reduce the demand for tools, further improved the convenience of maintenance.

The invention belongs to the technical field of heat pump systems, and particularly relates to a variable-frequency heat pump system with a dynamic shunting function, the variable-frequency heat pump system comprises a dynamic shunting mechanism, a shunting heat supply assembly, an evaporator assembly and a rack, the evaporator assembly is arranged on the rack, the dynamic shunting mechanism is arranged on the rack, and the shunting heat supply assembly is arranged on the dynamic shunting mechanism. In the active flow distribution mode, flow distribution can be actively and accurately achieved under the condition that external influences are avoided by controlling the opening degrees of the two flow channels; in a conventional automatic flow distribution mode, flow distribution can be automatically achieved based on induction and judgment of the hot water demand quantity of the faucet end, the purpose that hot water is preferentially supplied to the faucet can be achieved, and partial supply of temperature-adjusting hot water can be maintained under the working condition of long-time low demand quantity such as bathing. In addition, the scheme is not controlled through an electromagnetic valve, the service life of parts can be remarkably prolonged, and the maintenance frequency is reduced.

The utility model provides a kind of charging gun protection device, including frame, frame is provided with mounting frame, the side of mounting frame is equipped with sliding slot, further including two groups of oppositely arranged protective shell, two groups of protective shell cooperation form the cavity containing charging gun, two groups of protective shell are hinged on frame, sliding block is slidably arranged in sliding slot, sliding block is connected with two groups of protective shell by opening and closing mechanism, the sliding of sliding block is converted into driving two groups of protective shell rotating opening and closing along its hinged point with frame by opening and closing mechanism, limit component is arranged on protective shell, the position of protective shell after opening and closing is limited by limit component.The device can protect charging gun by two groups of protective shell, avoid staff and user from colliding with unused charging gun in the process of walking in charging station, effectively protect charging gun and charging pile socket, and by the setting of opening and closing mechanism and limit component, the taking and placing of charging gun is also very convenient.

The utility model relates to the technical field of PPR cold and hot water pipes, and provides a nanometer antibacterial PPR cold and hot water pipe which comprises a pipe body, a sealing block fixedly installed on the outer surface of the pipe body, and a worm rotationally connected to the interior of the sealing block, the end, away from a sealing sleeve, of the worm penetrates through the pipe body and extends into the pipe body, and the end, away from the sealing sleeve, of the worm penetrates through the pipe body. The outer surface, away from the overlapping area of the sealing block and the pipe body, of the worm is fixedly sleeved with a sealing sleeve, the outer surface of the sealing sleeve is rotationally connected to the inner wall, close to the sealing block, of the pipe body, and a turbine drives a two-way threaded rod to rotate and enables the two sealing plates to move oppositely under the cooperation of a limiting rod, so that the sealing effect is improved. The two sealing rings are driven to be tightly attached to the opposite sides of the fixing plate correspondingly, the fixing plate is blocked, water flow at the two ends of the pipe body is conveniently blocked, the situation that a worker specially walks to a water meter to close a main valve is avoided, and the filter plate is more convenient to disassemble and clean.

The present invention relates to the technical field of filling valve cores, specifically to a split type automobile air-conditioning filling valve core, a valve seat, a main valve core and a valve head group, the top surface of the valve seat is threadedly connected to sleeves located on both sides of the main valve core, and the top end of the sleeve is threadedly connected to a joint; through the unique design inside the valve core, including the cooperation of a one-way air inlet valve, a one-way air exhaust valve and a plug, it is possible to achieve self-locking and blocking of the channel in the initial state, effectively preventing the refrigerant from leaking when it is not fully connected, thereby improving the safety and sealing of the system; and when filling the refrigerant, the mutual cooperation between the reversing column and the reversing disk causes the reversing disk to deflect, effectively opening or closing the flow channel, preventing the refrigerant from leaking when it is not fully connected, thereby ensuring the safety of the filling process, and adopting a split structure design, through the threaded connection of the sleeve, the valve seat and the joint, the valve core can be quickly disassembled, assembled and maintained, which is convenient for replacing parts, simplifies installation and maintenance operations, and significantly improves work efficiency.

The utility model discloses a knob formula umbrella handle and automatic umbrella, the umbrella handle, including shell and handle body, the shell is sleeved in the handle body outside, still include knob, mobile seat and rocker, the top of handle body is equipped with flange, and the knob is sleeved in the outside of handle body and is located between flange and shell, the middle part of mobile seat is hollow, and the both sides are the guide edge in correspondence, is equipped with the guide groove on handle body, and the guide edge is located in the guide groove, to the mobile seat guide and limit, the inner wall of knob is equipped with gradually inwards extending abutment edge, and one side of mobile seat is equipped with the locking block who sets up to the inside, is equipped with the first return spring between mobile seat and handle body, to make the locking block opposite side and abutment edge abut, the rocker is hinged on mobile seat through the pivot, is equipped with the first torsional spring between rocker and mobile seat, the umbrella, including inner tube, outer tube and knob formula umbrella handle, can make the holding experience better through replacing the conventional button with the knob, avoids the rain umbrella opening or closing caused by the button false touch, and the use is more convenient.

This invention discloses a multi-dimensional synergistic combustion control system and method for methanol engines under all operating conditions, belonging to the field of internal combustion engine combustion control technology. Addressing the technical problems of existing methanol engines, such as difficulty in achieving precise control of combustion state under all operating conditions, poor adaptability to operating conditions, and insufficient combustion stability, this invention achieves optimized combustion under all engine operating conditions through a multi-dimensional synergistic control strategy. Real-time engine operating condition data is collected to accurately determine the combustion mode of the target engine. Based on this, the engine intake valve operating parameters are continuously and independently controlled to dynamically optimize the in-cylinder combustion boundary conditions. Simultaneously, an active modifier is injected into the engine intake manifold, and the injection ratio is continuously adjusted in real time according to the engine operating conditions to improve the combustion activity of the air-fuel mixture. Furthermore, combining engine operating condition data with the predetermined combustion mode, the injection timing, number of injections, and injection pulse width of methanol fuel in the cylinder are precisely determined, achieving precise methanol injection at the crankshaft angle corresponding to the cylinder compression stroke.

The application discloses a battery management method and device, the method comprises the following steps: acquiring the real-time state of charge and the real-time temperature of the battery; determining whether the battery satisfies the active power consumption condition according to the real-time state of charge and the real-time temperature; if it is determined that the battery satisfies the active power consumption condition, calculating the total active power consumption of the battery according to the real-time state of charge and the real-time temperature; calculating the active power consumption of each controllable power consumption subsystem according to the total active power consumption and the power consumption priority of each controllable power consumption subsystem under the real-time state of charge; and controlling each controllable power consumption subsystem to operate at the active power consumption. The application can avoid the situation that the motor regenerative energy recovery is limited or closed due to the over-high state of charge of the battery, improve the energy utilization rate and guarantee the braking performance.

This invention discloses a method for adaptively reducing standby power consumption in green manufacturing of power meters, relating to the field of low-power control technology for power meters. The method first involves a metering integral subsystem, independent of the main control logic power domain, continuously generating integral increments, while an always-online event triggering module collects event trigger counts and communication request counts. Next, a multi-threshold strategy table carrying a factory low self-consumption baseline is read, and a composite metric is generated based on the integral increment, integral health flag, event trigger count, and communication request count to determine the target standby level. Subsequently, the target standby level is converted into a gating execution vector, hierarchically controlling the power domain, clock domain, and peripherals, while maintaining power supply to the metering integral subsystem and event triggering module. Finally, the multi-threshold strategy table is corrected based on the actual standby level state, guardrail trigger statistics, and false wake-up statistics. This method can reduce standby power consumption while maintaining metering continuity and event response capabilities, and reduces the burden of on-site configuration and maintenance for each meter.

The present invention relates to the field of intelligent lighting technology, and discloses a lighting circuit intelligent switch control system based on data coupling, including a wall, an entrance and exit, a door body and a matching door lock, a control frame is installed on the wall surface on the matching door lock side, and a control panel is movably installed on the inner side of the control frame, an intelligent switch component is installed on the front surface of the control panel, and a control screen is installed on the rear surface of the control panel, a data transmission module is installed on the top of the control frame, a storage box is connected to the edge of the side surface of the control frame via a connecting shaft, a distribution board is installed on the rear surface of the storage box, a shaft block is movably installed inside the distribution board on one side of the assembly panel, an emergency drive mechanism is installed on the other end of the shaft block, and a detection mechanism is installed on the surface of the control frame below the emergency switch. The intelligent switch control system of the present invention is based on a household distribution box, is flexible to use, can detect user entry and exit, intelligently promotes the realization of the lighting system, performs reasonable switch grouping, and has an emergency processing function.

The utility model discloses an automobile engine cover coating electrophoresis jig, and relates to the technical field of automobile manufacturing, the automobile engine cover coating electrophoresis jig comprises a rack, a locking mechanism and a first limiting mechanism, the rack is provided with a mounting cavity through which at least partial structure of a water tank cross beam passes, the locking mechanism comprises a first locking piece, a second locking piece and a connecting piece, the first locking piece and the second locking piece are both connected with the connecting piece, and the first limiting mechanism can limit the connecting piece from moving to the rotating position from the locking position. According to the technical scheme, a double-locking structure of the first locking piece and the second locking piece is adopted, the first locking piece and the second locking piece act on the engine cover and the water tank cross beam respectively in the locking position state, a stable stress system is formed, the engine cover can be kept at a fixed opening angle, and the service life of the engine cover is prolonged. The engine cover is effectively prevented from shaking or being accidentally opened in the electrophoresis process, the situation that an inner plate coating is uneven due to the fact that the angle is unstable is avoided, the consistency of coating quality is guaranteed, and the anti-rust performance is improved.

The utility model discloses an auto-induction smoke exhaust skylight which comprises a smoke exhaust channel, a skylight body is rotationally installed at the top of the smoke exhaust channel, connecting plates are fixedly installed on the two side walls of the smoke exhaust channel, a connecting shaft is fixedly installed at the bottom of the skylight body, and the two ends of the connecting shaft are rotationally connected with the two connecting plates respectively. A double-stroke assembly is arranged between the connecting shaft and the connecting plate; in the using process of the device, the skylight body is driven to be opened and closed through the electric push rod, when a fire disaster and a strong wind day happen at the same time, strong wind can flow backwards, the electric push rod is not enough to support the skylight body, and when the strong wind flows backwards, the electric push rod is not enough to support the skylight body. The double-stroke assembly enables the skylight to enter the other stroke track, the skylight body is clamped, the skylight body is always kept in the open state, and abnormal closing of the skylight body caused by strong wind backward flowing can be effectively prevented.

The invention discloses an active power distribution network rapid power recovery method based on an intelligent switching-on self-healing strategy, and the method comprises the steps: carrying out the non-voltage detection of a non-fault power-loss region after an active power distribution network breaks down, and switching on an interconnection switch to recover the power supply of the non-fault power-loss region if a non-voltage condition is satisfied; otherwise, performing synchronism detection, and closing the interconnection switch if a synchronism condition is met; if the switching-on time limit is exceeded and the non-voltage condition and the synchronization condition are still not met, judging whether the voltage change rate of the non-fault power-loss area is smaller than a set value or not; if the voltage change rate of the non-fault power-losing area is smaller than a set value, the interconnection switch is closed, otherwise, the small power supply branch of the non-fault power-losing area is cut in an interlinkage mode, and a non-voltage condition is created for the self-healing switch. Through an intelligent closing self-healing strategy combining non-voltage detection, synchronization detection and small power supply intertripping, self-healing closing is carried out under the condition that off-grid of the distributed power supply is avoided as far as possible, rapid power supply recovery of a non-fault power-loss area of the active power distribution network is realized, and the stability and reliability of a power distribution network system are improved.

The utility model discloses a water segregator which comprises a water segregator body and a valve handle arranged at the water outlet end of the water segregator body and connected with a control water valve, a one-way valve is installed at the water inlet end of the water segregator body, and a pressure relief valve is installed at the water outlet end of the water segregator body. A locking mechanism used for preventing mistaken touch is arranged on the lower portion of the inner side of the valve handle. According to the water segregator, the one-way valve is installed at the water inlet end of the water segregator body, water can be prevented from flowing back into a fire truck, the consumed water flow can be monitored through the flow meter, the remaining water amount in the fire truck can be known, and the valve handle and the water segregator body can be locked and limited through the arrangement of the locking mechanism; according to the locking mechanism, mistaken touch is effectively prevented, the situation that fire extinguishing is affected by closing due to interference between the valve handle and the water hose is avoided, the whole locking mechanism is convenient to use, the valve handle only needs to be rotated by pulling the fixed pull ring with fingers, and the operation can be completed by a single hand.

The utility model relates to the field of elevator maintenance, in particular to an anti-closing support for elevator maintenance. The anti-closing support for elevator maintenance is high in safety and comprises supporting frames, rotating rods, first gears and the like, the number of the supporting frames is two, the rotating rods are rotationally arranged in the supporting frames, the lower portions of the rotating rods are connected with the first gears, and the first gears are rotationally connected with the adjacent supporting frames. The two supporting frames are placed on the inner side of the elevator door respectively, then a rotating disc can be rotated to drive a second gear, a first gear and a rotating rod to rotate, and therefore a moving plate and an abutting plate are driven to move upwards, the abutting plate abuts against the top of the elevator door, the supporting frames are further supported, and the elevator door is protected. Therefore, the purpose of preventing the elevator door from being closed can be achieved, sudden starting and closing of the elevator door are avoided, and safety is high.

This utility model discloses an electronic locking valve with a graded anti-theft function. This utility model relates to the field of machine tool processing technology. The utility model includes: a pipe, a valve handle, with the valve handle rotatably connected to the inner wall of the pipe, and an anti-theft device fixedly connected to the outer wall of the pipe. By setting the anti-theft device, which adopts a sliding locking method, when the column slides into the groove, it can mechanically limit the valve handle, preventing it from rotating arbitrarily, effectively preventing unauthorized personnel from opening or closing the valve by rotating the valve handle, achieving basic-level physical anti-theft. The rotation of the unidirectional screw can drive the linkage plate to slide along the inner wall of the limiting shell, achieving a unified locking or unlocking action. The receiver shell contains an NFC receiver, which uses NFC technology for identity authentication and unlocking control, realizing one electronic key per community, one key per password, effectively improving the level of anti-theft heat management in heating management.

The invention belongs to the technical field of battery electric quantity display, and particularly relates to a battery electric quantity state display system and method of an electronic blocking device, and the system comprises an electric quantity monitoring module which is used for detecting the electric quantity state of a battery pack and obtaining the actual value of the remaining electric quantity of the battery pack; the data processing module is used for processing to obtain a reference value Q based on the actual value of the residual electric quantity of the battery pack and processing to obtain a first detection result, namely the reference value Q of the to-be-displayed residual electric quantity of the battery pack, according to the actual residual electric quantity of the battery pack detected by the electric quantity monitoring module; by setting the to-be-displayed residual electric quantity which is smaller than the actual residual electric quantity of the battery pack, an alarm can be given in advance when the decision-making module compares the reference value Q with the preset value, namely, a reminding signal is sent to a worker through the control module, so that more time is reserved for the worker to carry out emergency treatment, and the working efficiency is improved. The power supply module of the electronic blocking device is prevented from being closed due to power exhaustion, and conditions are provided for intrusion of a specific area.

A control device for controlling the operation of a mechanical, electric, pneumatic, hydraulic / oil-powered or similar working machine, the control device comprising a base body, a rotating shaft is mounted in the center of the base body, the rotating shaft is coupled to a knob rotating on the base body in a torsion manner, the shaft is functionally connected to an electrical connector, the electrical connector is suitable for supplying power to the working machine when the knob is in a first operating position on the body and is suitable for interrupting the supply power when the knob is in a second operating position on the body. The knob supports a selector member for selecting the movement of the knob on the base body, the selector member is integral with the knob in a torsion manner, but can be moved in a manner orthogonal to the knob, the selector member includes an interception device, the interception device is suitable for cooperating with an anti-interception device provided in the base body, the cooperation between the interception device and the anti-interception device prevents the rotation of the knob placed on the base body.