17results about How to "Open in time" patented technology

The invention discloses a steam turbine valve control system and method, and relates to the technical field of steam turbine power generation, and the steam turbine valve control system comprises a manual-automatic switching module which is used for sending a first instruction; the first selection module is used for receiving the first instruction and outputting a speed control instruction according to the first instruction, and the speed control instruction comprises a speed manual set value and a speed default value; the second selection module is used for receiving a second instruction and selecting different valve opening degree instructions according to the second instruction; the control module is used for receiving the valve opening instruction and the speed control instruction and sending out a third instruction; and the third selection module is used for receiving a fourth instruction and selectively outputting a third instruction and a fifth instruction according to the fourth instruction. No matter the valve is in an automatic state or a manual state, the ventilation valve can be opened in time, and reliable operation of a steam turbine unit system is ensured.

The utility model discloses a vehicle charging socket, comprising a socket main body, the socket main body is provided with a charging port, the charging port is internally provided with a plurality of lead jacks, the charging port is used for butt joint with a charging plug, the socket main body is internally provided with a sliding member and a protection door, and the sliding member is provided with a plurality of lead jacks. The sliding piece is arranged on the socket main body and is in transmission connection with the protection door; the protection door is arranged in the socket main body in a sliding manner so as to close or open the wire jacks in the sliding process; the sliding piece is provided with a mistaken opening part, the protection door is provided with a limiting part, and the mistaken opening part stops the limiting part, so that the protection door is located at the position where the wire jack is closed; the sliding piece moves to relieve the stopping state of the mistaken opening part and the limiting part, then the sliding piece drives the protection door to slide, and the wire jack is opened. The unlocking device has the advantages that the mistaken opening part and the limiting part are arranged in the scheme and are arranged on the sliding piece and the protection door respectively, unlocking and driving of the protection door to be opened are achieved through the sliding piece, when the sliding piece moves, unlocking is conducted firstly, then the protection door is pushed to move, the unlocking step and the pushing step are more coherent, and the unlocking effect is better. And moreover, the situation that the positions of the two sliding parts need to be accurately controlled in the prior art is avoided, so that the mounting precision is also reduced, and the assembly efficiency is favorably improved.

The present invention discloses a fire model test system for parallel-guided rescue stations on both sides of a single-hole double-track tunnel, comprising: a tunnel system, a fire source simulation device, a smoke exhaust device and a monitoring device; the tunnel system comprises a main tunnel channel, a parallel evacuation channel and a transverse connecting channel, the two parallel evacuation channels are arranged in parallel on both sides of the main tunnel channel, and the transverse connecting channel is perpendicular to and connected with the main tunnel channel and the parallel evacuation channel; the fire source simulation device is arranged in the tunnel system; the smoke exhaust device comprises a smoke-proof fan, a smoke exhaust pipe and a smoke exhaust fan, the smoke-proof fan is arranged in the transverse connecting channel, the smoke exhaust pipe is connected with the main tunnel channel, and the smoke exhaust fan is arranged at the end of the smoke exhaust pipe to exhaust smoke to the outside of the tunnel; the monitoring device is arranged inside the tunnel system, and is used for monitoring the smoke concentration and the smoke flow law in the main tunnel channel, the parallel evacuation channel and the transverse connecting channel; the present invention adopts modular assembly, the assembly is simple and convenient, and can fully simulate the real tunnel fire situation.

The present invention discloses a method and device for detecting a tunnel entrance, a computer-readable storage medium, and a computer device. The detection method comprises: acquiring a real-time image in front of a vehicle; removing part of the color components in the real-time image to generate an initial image; performing shape recognition processing on the initial image to detect whether there is a preset shape graphic in the initial image; if there is a preset shape graphic in the initial image, it is determined that there is a tunnel entrance in front of the vehicle. By removing the natural color components in the real-time image in front of the vehicle, the subsequent calculation amount and operation complexity are reduced, which is conducive to faster detection of graphics. Furthermore, by using an angled convolution kernel for filtering processing, irrelevant shapes can be filtered out, further reducing the amount of calculation, so as to more quickly determine whether there is a tunnel entrance, so as to turn on the car lights in time.

The invention provides an energy router with heat dissipation and dust prevention functions, which comprises an energy router cabinet body and a controller, and is characterized in that the energy router cabinet body comprises a heat dissipation mechanism arranged at the bottom end and a dust prevention mechanism arranged at the top end, the heat dissipation mechanism comprises a motor and a motor, and the controller is connected with the input end of the motor and the input end of the motor; the motor is started to drive the fan blades to rotate so as to dissipate heat, and the motor is started to drive the fan blades to swing left and right in a reciprocating manner, so that airflow generated by the fan blades can blow the two sides in the energy router cabinet body, and the heat dissipation efficiency can be improved; the fan blades can drive the communication position of the dustproof mechanism and the cabinet body to be opened in the left-right swinging process to dissipate hot air, and the motor drives the communication position of the dustproof mechanism and the cabinet body to be closed after heat dissipation is finished to prevent dust from entering, so that the service life of the energy router cabinet body can be prolonged.

The utility model relates to the technical field of heating ventilation air conditioning, disclose a kind of outdoor heating ventilation air conditioner with protection function, including heating ventilation air conditioner outdoor unit;Protection mechanism is equipped on the heating ventilation air conditioner outdoor unit;The protection mechanism includes waterproof shed, adjusting lever, water collecting box and connecting rod;The adjusting lever is set to the both sides of heating ventilation air conditioner outdoor unit, is located heating ventilation air conditioner outdoor unit upper end portion, and one end of adjusting lever is rotatably connected with heating ventilation air conditioner outdoor unit;One side of waterproof shed is fixed in the lower side of adjusting lever;The water collecting box is set to the both sides of heating ventilation air conditioner outdoor unit, is located heating ventilation air conditioner outdoor unit lower end portion;The connecting rod is fixedly installed in the side of water collecting box close to heating ventilation air conditioner outdoor unit.The utility model has solved the problem that internal electrical components cannot be protected because heating ventilation air conditioner outdoor unit is not covered on rainy days.

The present disclosure relates to the field of air conditioning, and in particular to an air conditioning defrosting control method, device, air conditioner and storage medium. The method comprises: when the air conditioner is in heating mode, monitoring the temperature parameters related to the operation of the air conditioner and the operating frequency of the air conditioner; in response to determining that the air conditioner is in a low-frequency operation state, determining whether to turn on the air conditioner defrosting according to the temperature parameters and the first defrosting start judgment condition corresponding to the low-frequency operation state, wherein the low-frequency operation state is a state in which the operation frequency is lower than the preset operation frequency threshold for a continuous time that reaches the preset low-frequency operation time. In this way, when the air conditioner is in heating mode and operates at a low frequency for a long time, when the air conditioner is frosted, the air conditioner defrosting can be turned on accurately and timely to avoid affecting the heating effect of the air conditioner, thereby improving the user experience.

This utility model belongs to the technical field of steel grating, specifically disclosing a drainage ditch steel grating that is easy to clean. It includes a main body and seepage channels. Five sets of seepage channels are arranged between the front and rear of the main body. A left fixing block is fixed to the rear left side of the bottom of the main body, and a right fixing block is fixed to the rear right side of the bottom of the main body. A threaded rod is laterally movably connected between the left and right fixing blocks. This easy-to-clean drainage ditch steel grating utilizes the threaded rod movably connected between the left and right fixing blocks. Pushing the stop block horizontally towards the hidden slot above the slot exposes the handle. Rotating the handle rotates the second gear connected at the bottom, thereby pushing the first gear meshing on the left side. The threaded rod rotates between the left and right fixing blocks, and under the restriction of the front and rear limiting slots, pushes the stop plate horizontally to cover the seepage channels, or removes the stop plate to expose the seepage channels, thus solving the problem of inconvenient opening and closing.

The utility model relates to the technical field of building drainage, and discloses a drainage device for building construction, which comprises a drainage groove, a drainage pipe is communicated on the drainage groove, a first grating plate is arranged on the drainage groove, a movable second grating plate is arranged above the first grating plate, and a drainage pipe is arranged on the drainage groove. The second grating plate is connected with the drainage groove through a sliding assembly, and a floating assembly is arranged on the second grating plate. When the automatic dredging device is used and the second grating plate is blocked by sundries, water flow cannot pass through, but the floating bag floats on the water surface under the action of buoyancy along with gradual rising of the water level, so that the second grating plate moves upwards along with the floating bag and is separated out of the water outlet, and automatic dredging is realized. By means of the design, manual intervention is avoided, and the automation degree of the drainage device is improved.

The invention relates to the technical field of lithium ion batteries, in particular to a battery cell, a battery pack and electric equipment. The disclosed battery cell comprises a shell, a cover plate and an anti-explosion valve, the shell comprises a base material, a welding area is arranged on the base material in the length or width direction of the shell, and heat affected areas are formed on the two sides of the welding area. The cover plate is arranged at the open end of at least one side of the shell; the anti-explosion valve is arranged on the cover plate; in the thickness direction of the anti-explosion valve, a nick is formed in the end face of the anti-explosion valve, an opening face is defined by one side of the nick, and the projection area of the opening face is S0; the projection area of the cover plate is S2; the average grain size of the heat affected area is A1, the average grain size of the base material is A2, and S0, S2, A1 and A2 meet the condition that 7 < = 11. According to the battery cell, the influence of the welding temperature on the battery cell can be effectively reduced, the structural strength of the battery cell is not reduced, and the safety performance of the battery cell is improved.

The utility model relates to the technical field of vehicle accessories, and discloses an agricultural machine rearview multi-angle adjusting structure which comprises a shell, the output end of a first motor is fixedly connected with a first rotating shaft, the lower portion of a second connecting rod is fixedly connected with a third rotating plate, and the surface of one end of the third rotating plate is fixedly connected with a third connecting rod. A rearview mirror body is fixedly connected to the surface of one end of the third connecting rod, a second motor is fixedly connected to the outer wall of the right side of one end of the shell, a second rotating shaft is fixedly connected to the output end of the second motor, and first connecting rods are fixedly connected to the surfaces of the two ends of the first rotating plate; a rearview mirror body is fixedly connected to the surface of one end of the first connecting rod, and an anti-fog assembly is arranged on the surface of one end of the shell. According to the automobile rearview device, through the arrangement of the first motor, the second motor and the first rotating plate, the rearview body can be adjusted in time, the work of an agricultural machine is not affected, and the work efficiency is improved.

The night lamp comprises a lamp shell and a lamp cover installed on the lamp shell in a threaded mode, a detachable LED illuminating lamp body is arranged in the lamp shell, the human body existence sensor is installed on the side face of the lamp shell, and a microcontroller, a power management module and a wireless communication module are further sequentially installed in the lamp shell. A threaded ring is arranged at the top of the lamp shell, and internal threads matched with the threaded ring are formed in the position, corresponding to the threaded ring, of the inner wall of the lamp cover. When a human body existence sensor detects that a human body moves or exists, a signal is sent to a microcontroller; after the microcontroller receives the signal, whether light needs to be turned on or not is judged according to an intelligent control algorithm; if the light needs to be turned on, the LED illuminating lamp body is controlled to be turned on, and the brightness is automatically adjusted according to the preset brightness or the ambient light; if the human body movement is not detected within a certain time, the light is automatically turned off, and a low-power-consumption or dormant state is entered.

The invention relates to a parachute-based tethered airship recovery device which comprises a parachute pack assembly, the parachute pack assembly comprises a support, the support is connected with a parachute pack, the parachute is arranged in the parachute pack, the parachute is connected with a guide parachute, the guide parachute is connected with an ejection plate, and an unlocking mechanism is connected between the ejection plate and the support. The unlocking mechanism is provided with an unlocking device used for driving the elastic unlocking mechanism to unlock so as to eject the ejection plate, the recovery device further comprises a pressure sensor fixed to the boat body and a controller connected to the support or the ejection plate, the controller is in control connection with the unlocking device, and the controller is in sampling connection with the pressure sensor; the controller detects a threshold pressure value signal in the boat body sampled by the pressure sensor, outputs a control signal to the unlocking device, controls the unlocking mechanism to unlock, enables the ejection plate to eject out, and pulls the guide parachute and the parachute to extend out of the parachute pack. And high-speed hard landing of the airship is avoided, and the safety of equipment and the safety of ground personnel and property are guaranteed.

The utility model discloses a multifunctional sofa storage cabinet, which comprises a sofa body and a sofa armrest at least arranged on one side of the sofa body, the sofa armrest comprises a frame body, a first storage cabinet is arranged in the frame body, the first storage cabinet is in sliding connection with the interior of the frame body, and an end cover body is arranged at the end part of the first storage cabinet; a table top body is arranged on the upper portion of the frame body and comprises a first table top and a second table top, the bottom of the first table top is rotationally connected with the frame body through a rotating mechanism, a second storage cabinet is arranged between the second table top and the frame body, and the second table top and the first table top are driven to rotate around the rotating mechanism. The table top body is perpendicular to the frame body, and the second storage cabinet is exposed; according to the sofa, the functions of storing objects and supporting the table top are achieved, beverages can be conveniently placed, portable electronic equipment can be conveniently supported, and meanwhile other functions of the sofa are not affected.

The anti-explosion freight elevator capable of preventing the forklift from colliding comprises a lift car and a landing door, a control panel electrically connected to a main control computer is arranged in the lift car, and an anti-explosion detector electrically connected to the main control computer is installed on a wall body above the landing door; anti-skid lines are evenly arranged on the surface of the bottom of the lift car. A monitor and an alarm lamp which are electrically connected to the control panel are mounted in the lift car; fixing units are arranged on the left side wall and the right side wall in the lift car, and an anti-collision unit is arranged on the rear side wall in the lift car. The anti-explosion detector is arranged on the wall body above the landing door, and the arrival and the arrival speed of the forklift can be detected when the external forklift reaches the outer side of the landing door by a certain distance, so that the landing door and the car door are automatically controlled to be opened in time through the main control computer, and the forklift is prevented from colliding with the landing door and the car door; and by arranging the anti-skid lines and matching the anti-skid lines with the fixing unit and the anti-collision unit, the problem of collision caused by maloperation of the forklift in the lift car can be prevented.

The utility model relates to an upper bypass valve integrated at an oil outlet of an oil filter of a rotary installation machine, the upper bypass valve is arranged at a first oil outlet of the oil filter, and the oil filter comprises a check valve, a filter element and a shell; the check valve and the filter element are both arranged in the shell, and the upper bypass valve is in interference fit with the filter element and embedded into the filter element. The check valve is sleeved on the upper bypass valve and is in interference fit with the upper bypass valve, and the check valve, the filter element and the upper bypass valve form a valve filter element assembly structure. The upper bypass valve comprises an upper cover and a valve body, a second oil inlet is formed in the periphery of the upper cover, and the upper cover is riveted with the valve body. Compared with the prior art, the upper bypass valve structure can enable impurities deposited at the bottom not to flow into an engine oil lubricating system in the cold start process, and therefore the situation that abrasion of an engine is aggravated is avoided. In addition, the channel space of the upper bypass valve structure is large, the valve is opened more timely, the through-flow area of the section of the valve is larger, and the risk of pressure accumulation during cold start is smaller.