12results about How to "Make sure to close" patented technology

A valve body of the electronic unit pump is provided with a first drainage channel and a second drainage channel which are communicated with a main oil channel, and a first electromagnetic valve used for controlling the first drainage channel to be connected and disconnected and a second electromagnetic valve used for controlling the second drainage channel to be connected and disconnected are installed on the valve body. The second electromagnetic valve is closed in a power-off state, and the second drainage channel is disconnected; and when the fuel pressure is higher than the set value, the second electromagnetic valve is opened in the power-off state, the second drainage channel is communicated for drainage, the second electromagnetic valve is closed in the power-on state, and the second drainage channel is disconnected. By controlling the opening and closing moments of the first electromagnetic valve and the second electromagnetic valve, the three-section fuel injection requirement of the engine in the diesel engine state of'pilot injection, main injection and post injection 'can be met, the fuel supply requirement of the micro-injection gas engine can also be met, and the engine can be restored to the full-power diesel engine state to operate after gas fuel is used up.

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 discloses an interface protection system and method based on a hot plug technology, relates to the technical field of hot plugs, and solves the problems of port damage and data loss caused by physical damage of a plugging key possibly caused by frequent operation in the prior art. According to the invention, a hot plug controller is installed in an OPS box, and real-time power line data is obtained through the hot plug controller; setting configuration information for a main controller of the OPS box; judging whether the interface of the OPS box is plugged or not according to the power line data; judging whether the type of the interrupt signal is an inserted interrupt signal; if yes, setting a current limiting circuit; if not, storing the network data in the OPS box within the delay time; judging whether the time delay ends or not; judging whether to transmit the network data to corresponding equipment or not; judging whether the interface protection system is qualified or not; according to the invention, interface equipment and data are protected through the current limiting circuit and the delayed power-off mechanism.

The utility model discloses a furnace door assembly for a tubular reduction furnace. The furnace door assembly comprises a furnace tube, a switch rotating arm and a tension spring assembly, a furnace door is mounted at the orifice of the furnace tube; one end of the switch rotating arm is connected with the furnace door, the other end of the switch rotating arm is connected with a first shaft sleeve, and a switch shaft pin is rotationally sleeved with the first shaft sleeve and connected with the outer wall of the furnace tube; a first oil injection port is formed in the surface of the first shaft sleeve; and the other end of the tension spring assembly is connected with the outer wall of the furnace tube. According to the furnace door assembly, clamping stagnation can be reduced, and the sealing effect is good.

The utility model relates to a drainage inner leakage on-line detection system, the drainage inner leakage on-line detection system comprises a steam pipeline and a drainage pipeline connected on the steam pipeline, the drainage pipeline is provided with a first valve, one side of the first valve far away from the steam pipeline is provided with a second valve, and the second valve is connected with the steam pipeline. A third valve is arranged on the side, away from the first valve, of the second valve. A drainage header is arranged at the end, away from the second valve, of the third valve. The first thermodetector is arranged on the drainage pipeline between the first valve and the steam pipeline; and the second thermodetector is arranged on the drainage pipeline between the first valve and the second valve. When the drain inner leakage on-line detection system is used, the second valve is isolated by closing the first valve and the third valve, and whether the first valve is completely closed or not is detected by the first thermodetector and the second thermodetector, so that a worker is prevented from being damaged by high-temperature steam sprayed out of the second valve when taking down the second valve; and the safety of workers is further protected.

Nuclear power turbine high pressure valve hydraulic control mechanism and driving system. In the first hydraulic passage of the nuclear power turbine high pressure valve hydraulic control mechanism, the first end of the first emergency electromagnetic valve is connected with the oil supply device through an oil return passage, the second end is connected with the control oil chamber of the first pilot cartridge valve through a first throttle hole, and is also connected with the first end of the first check valve; the second end of the first check valve is connected with the pressure oil chamber of the first pilot cartridge valve, and is also connected with the first end of the first main cartridge valve; the second end of the first main cartridge valve is connected with the driving mechanism through a power passage; the first pilot cartridge valve and the first main cartridge valve are also connected with the oil supply device through oil return passages; in the case that the first emergency electromagnetic valve is closed by power-off, the first pilot cartridge valve and the first main cartridge valve are opened in turn, forming an oil path from the driving mechanism to the oil supply device. The nuclear power turbine high pressure valve hydraulic control mechanism can eliminate the driving mechanism failure.

The utility model discloses an electric safety protection circuit for an elevator, belongs to the technical field of elevators, and solves the problem of potential safety hazards of door opening and elevator walking of the existing elevator. The system comprises a maintenance loop, a reset loop, a delay loop and a landing door monitoring loop which are connected in parallel. The landing door monitoring loop comprises a coil KMS of a contactor KMS, the coil KMS is connected with a plurality of elevator landing door detection switches in series, the elevator landing door detection switches and the elevator doors are in one-to-one correspondence, and each elevator landing door detection switch is installed on the corresponding elevator door. The safety of the elevator is improved, after the elevator is maintained every time, an operator needs to recheck, it is ensured that the operator closes all elevator doors and can normally operate the elevator through reset operation, and the dangerous situation that the operator opens the door to walk the elevator is avoided.

The utility model provides a horizontal island cabinet with a glass sliding door assisting in resetting, which comprises a cabinet body and the glass sliding door, a guide rail is arranged on the cabinet body, the glass sliding door is slidably arranged on the guide rail, a damping return device is arranged on the glass sliding door and comprises a base, a damping gas spring and a limit hook, and the limit hook is connected with the damping gas spring. A positioning block matched with the limiting hook is arranged on the cabinet body; when the glass sliding door is closed and reaches an unhooking critical position, the limiting hook is buckled with the positioning block, and the damping air spring applies pulling force to the glass sliding door so that the glass sliding door can be tightly closed. And when the glass sliding door is opened and reaches an unhooking critical position, the limiting hook is separated from the positioning block. When a consumer closes the glass sliding door, even if the glass sliding door is not completely closed, as long as the glass sliding door exceeds an unhooking critical position in the closing process, the remaining closing process of the glass sliding door can be automatically completed by the damping return device, and it can be ensured that the glass sliding door is completely closed under the tension action of the resistance gas spring.

The embodiment of the invention provides a vehicle, a charging port cover control method thereof and a computer readable storage medium. The method comprises the following steps: under the condition of a low-voltage power-off state, receiving a first charging port cover control instruction, transferring the first charging port cover control instruction to a target storage unit, executing a target reset operation, and switching from the low-voltage power-off state to an initial state; and in response to an execution trigger signal of the first charging port cover control instruction, switching from an initial state to a low-voltage power-on state so as to control the charging port cover according to the first charging port cover control instruction. Therefore, according to the method, the operation requirement of a customer for the charging port cover can be responded in time when the whole vehicle is about to sleep, the charging port cover is completely opened or closed, and the use experience of a user is improved.

The utility model discloses a pull rope type switch device for an injection branch pipe of a high-pressure injector, which comprises a panel arranged on a high-pressure injector main machine, the injection branch pipe made of elastic materials is arranged on the front side of the panel, and an ejector rod switch assembly is further arranged on the panel. The ejector rod switch assembly comprises a swing arm rotating structure and an ejector rod in sliding fit with the panel, and one end of the ejector rod directly faces the side wall of the injection branch pipe. The ejector rod is linked with one end of a pull rope through the swing arm rotating structure, and the other end of the pull rope is connected with a pull rope driving mechanism. According to the pull rope type switch device for the injection branch pipe of the high-pressure injector, the injection branch pipe does not need to be detached when the ejector rod switch assembly is overhauled and replaced, and liquid in the injection branch pipe can be prevented from flowing out.

According to the control method for the refrigerator and the refrigerator, two layers of magnetic structures are arranged on a hinge assembly, each layer of magnetic structure comprises at least three magnetic parts arranged at intervals, the magnetic parts of the two layers of magnetic structures form at least three magnetic part sets in a one-to-one correspondence mode, and at least one magnetic part in each magnetic part set is an electromagnet. The two magnetic pieces in the magnetic piece set attract each other, and through electromagnetic control, electric attraction of the box door is achieved to ensure that the box door can be closed tightly, opening and closing of the box door decelerate to reduce noise, and the box door stably hovers at an expected angle. Meanwhile, the hinge assembly is simple in structure, and the box body or the box door structure does not need to be changed.

The utility model belongs to the technical field of optics, and particularly relates to an optical two-way observation light path structure which comprises a closed non-transparent shell and a closed non-transparent first observation chamber, the shell is provided with a first end and a second end which are opposite, the first end of the shell is provided with a light-emitting chamber, the side wall of the light-emitting chamber is provided with a first through hole communicated with the interior of the shell, and the side wall of the light-emitting chamber is provided with a second through hole communicated with the interior of the shell. A reflective mirror is arranged on the inner side wall of the second end of the shell, a first observation chamber is arranged at the first end of the shell and beside the light-emitting chamber, a second through hole is formed in the side wall, close to the shell, of the first observation chamber, and a first light outlet hole and a second light outlet hole are formed in the side wall, back to the second through hole, of the first observation chamber. The angular bisector of an angle formed by intersection of the axis of the first through hole and the axis of the second through hole is perpendicular to the reflective mirror, and an optical splitter for distributing light to the first light outlet hole and the second light outlet hole is arranged in the first light outlet chamber; the problem of how to divide one path of light into two paths of light is solved.