11results about How to "Reduce mechanical load" patented technology

The invention belongs to the technical field of chip testing, and particularly discloses a chip testing notch, a chip testing device and a chip testing system, and the chip testing notch, the chip testing device and the chip testing system are used for allowing a chip testing clamp to be inserted to test a chip. The test plate is arranged above the heating plate, a test station for accommodating the chip test clamp is formed between the test plate and the heating plate, and at least one reed is arranged at the position, opposite to the test station, of the test plate; wherein when the chip test fixture is placed at the test station, the reed is elastically crimped on a test contact on the upper surface of the chip test fixture. The chip test fixture can solve the problem that the probe is easy to damage when the current chip test fixture is plugged in and pulled out of the drawer, and is suitable for automatic aging test, so that the aging test efficiency is improved, and the safety and reliability of the test process are guaranteed.

The invention provides a wind driven generator blade deicing system based on pulse deicing. The wind driven generator blade deicing system comprises a detection module, a deicing module and a deicing control module. The deicing module comprises a magnet exciting coil and a skin, the magnet exciting coil is attached to a set deicing point of the fan blade, the skin is fixed to the surface of the fan blade at the deicing point, and the magnet exciting coil is completely covered with the skin; the deicing control module comprises a control unit and an excitation driving unit; the control unit is used for receiving the icing detection signal output by the detection module, judging the icing thickness and controlling the excitation driving unit to work according to the icing thickness so as to output excitation pulses to the corresponding excitation coils.

The invention relates to a working medium pressure-adjustable Stirling cryocooler and a refrigeration control method, and the Stirling cryocooler comprises a gas inlet container used for storing working medium gas; the air inlet valve assembly is respectively communicated with the air inlet container and a backpressure cavity of an expansion machine of the Stirling cryocooler; the controller is connected with the air inlet valve assembly and used for receiving temperature information of an expansion cavity of the Stirling cryocooler. And when the temperature of the expansion cavity of the Stirling cryocooler is not within the preset temperature range, the opening degree of the gas inlet valve assembly is controlled through the controller, so that the working medium gas in the gas inlet container enters the backpressure cavity. According to the invention, working medium pressure adjustment and motor working state control can be combined to realize rapid cooling, and the mechanical load of the motor can be reduced while the refrigeration effect is ensured.

A touch panel system is provided, comprising a display unit, a touch sensor structure and a cover glass, wherein a user touches the cover glass during a touch input to the touch sensor structure, wherein the cover glass is configured to move relative to the display unit to provide tactile feedback to the user, wherein the cover glass is mounted at a predetermined distance d from the display unit, such that the cover glass and the display unit are separated from each other by an empty space, thereby defining opposing inner surfaces, the inner surfaces being coated with an anti-reflective coating, in particular a moth-eye film.

The cleaning and recycling system comprises a vehicle cleaning platform and a garbage cleaning pool, a plurality of sewage recycling channels are formed in the vehicle cleaning platform at intervals, elastic filtering assemblies are arranged on the sewage recycling channels, and air injection channels communicating with the sewage recycling channels are formed in the vehicle cleaning platform; an air pump is arranged in the air injection channel, the garbage cleaning pool is located on one side of the vehicle cleaning platform, the bottom of the garbage cleaning pool communicates with the multiple sewage recycling channels, and the air pump is designed to inject air flow, push sewage in the sewage recycling channels to be injected into the bottom of the garbage cleaning pool and drive the elastic filtering assembly to vibrate at the same time. By adopting the scheme, the air flow generated by the air pump is used as a power source, so that cleaning sewage containing silt is sucked and injected to the bottom of the garbage cleaning pool to generate a disturbance effect on the bottom of the pool, the conditions of sludge hardening and sedimentation are reduced, and meanwhile, the disturbance effect in the garbage cleaning pool is beneficial to separation of large-density garbage and light garbage.

The invention discloses a high-speed circuit breaker transmission system crank arm design method based on topological optimization, and belongs to the technical field of circuit breaker mechanical parts. Establishing an initial structure model of the crank arm by using software; importing the initial structure model of the crank arm into finite element analysis software, performing mesh generation on the initial structure model of the crank arm, and establishing a finite element model of topological optimization density of the crank arm; simulating the motion load of the crank arm, and setting the boundary condition of the finite element model of the topological optimization density of the crank arm; the method comprises the steps of determining an optimization area of a finite element model of topological optimization density of a crank arm, establishing a topological optimization mathematical model of the crank arm, performing calculation by utilizing a finite element analysis method and a topological optimization algorithm to obtain an optimized crank arm structure model, and taking the crank arm structure model meeting design requirements as a final crank arm improved structure by combining an actual process. Structural design is carried out based on the continuum structure topological optimization method, so that the optimal design scheme of the structural member can be quickly obtained, the design efficiency is improved, and the design period is shortened.

The invention discloses a double-cavity balance type piezoelectric valve which comprises a valve seat, a valve core, a pressure sensor, a first pressure sensor and a second pressure sensor. The piezoelectric valve plate is arranged in the cavity and divides the cavity into a first chamber and a second chamber, the first air outlet communicates with the first chamber so that the first chamber can exhaust air to the outside through the first air outlet, and the piezoelectric valve plate is suitable for deforming to control the first air outlet to be opened and closed; the air inlet flow channel comprises an air inlet, a first branch and a second branch, the first branch and the second branch are separated from the air inlet and are independent fluid channels, and after fluid of the air inlet is divided, the fluid enters the first cavity and the second cavity independently through the first branch and the second branch. Therefore, when no air flow is output from the first cavity and the second cavity, the air pressure in the first cavity and the air pressure in the second cavity are kept balanced, the valve plate does not need to additionally overcome pressure difference deformation, then the driving force needed for opening or closing the valve by the piezoelectric valve plate is reduced, and the response speed of the valve is higher.

The invention relates to a connecting device (16) for battery cells (12, 14) of a power battery (10), which connecting device is provided for compensating for errors between two battery cells (12, 14) of the power battery (10) in at least two spatial directions, comprising: a busbar (26), which is provided for electrically connecting with a first end (22) thereof to a first battery cell (12), a busbar (26) which is electrically connected with the first battery cell (12) by means of its first end (24) and with the second battery cell (14) by means of its second end (24), thus electrically connecting the two battery cells (12, 14) to each other; and a fastening means (34), by means of which the connecting device (16) can be fastened in different relative positions to a housing component or a structural component (18) of the power battery (10) for error compensation (30).

The invention relates to the technical field of peanut harvesters, in particular to an automatic leveling system of a hill and mountain peanut harvester, which comprises a data acquisition module, a data preprocessing module, a self-adaptive gradient prediction and adjustment module, a dynamic control adjustment module and a power driving module, the data acquisition module acquires working state data of the peanut harvester in real time; the data preprocessing module is used for preprocessing the collected working state data; the self-adaptive gradient prediction and adjustment module dynamically adjusts the angle of a working platform of the peanut harvester; the dynamic control adjustment module performs real-time adjustment and dynamic correction and outputs a control instruction; the power driving module drives the electric hydraulic unit or the mechanical arm to conduct automatic adjustment. According to the invention, the stability and accuracy of the peanut harvester under various complex terrains are ensured, the risk of operation interruption caused by terrain changes is reduced, and meanwhile, the efficiency of harvesting operation is effectively improved.

The utility model discloses a kind of electric core and battery, wherein, electric core includes pole piece, diaphragm and true tab, multiple pole piece is laminated, the polarity of adjacent two pole pieces is opposite, and diaphragm is equipped between adjacent two pole pieces;Multiple pole pieces with same polarity include first pole piece and second pole piece, first pole piece has empty foil area, part structure of true tab is between first pole piece and adjacent diaphragm, true tab is connected with empty foil area, second pole piece has protruding false tab, and false tab is conductive connection with part structure of true tab exposed to first pole piece.The electric core of the utility model can integrate true tab to pole piece interlayer, realize fixed using pole piece itself structure, reduce invalid space.When external packaging force acts on true tab, force is conducted to the current collector of first pole piece by empty foil area, is dispersed and absorbed by entire pole piece structure, reduce the mechanical load of false tab and true tab welding point, to effectively avoid mechanical damage of welding position in packaging process.

The invention relates to a method for producing a winding pad (5) for a stator or a rotor of an electric motor, in which two conductor strands (1) are provided and are each fed along the x-direction of the Cartesian coordinate system to receiving devices (2), one conductor strand (1) being each received by each receiving device (2). Subsequently, the oppositely arranged winding ends (11) are formed by means of a forming tool (4), and the cross-layer sections (3) are punched in the winding ends (11) in the opposite direction in the y direction. According to the invention, the connecting strand (12) extending in the z-direction is shaped by means of a movement of the receiving device (2) along a bending path, and a lifting movement of the receiving device (2) is carried out, in which the conductor strand (1) is transferred to a conveying device (6) and is transported in the x-direction with a conveying cycle. The above steps are repeated until a winding pad (5) having a defined number of windings is produced, each winding being formed from two conductor strands (1) and each comprising two winding ends (11) and four connecting strips (12). The invention also relates to a device for producing a winding pad (5) for a stator or rotor of an electric motor.