169results about How to "Reduce assembly complexity" patented technology

The invention discloses a battery pack, a vehicle and an energy storage device. The battery pack comprises a battery array and a support member, wherein the battery array includes a plurality of single batteries, the single batteries have a first size, and the first size is the maximum value of the distance between two parallel planes virtually clamping the single battery; at least one single battery satisfies the following conditions: the first size is greater than or equal to 600mm and less than or equal to 2500mm, and the single battery is supported on the support member; the normal direction of the two parallel planes corresponding to the first size is the Q-direction, the battery pack is internally provided with a battery placement area, the battery array is located in the battery placement area, and the single battery extends from one side of the battery placement area to the other side of the battery placement area in the Q-direction. According to the battery pack of the invention, the plurality of long single batteries form the battery pack, so that the battery capacity of the battery pack is improved. Meanwhile, the first size within the specific range is adopted, and thusthe space utilization ratio of the battery pack can be improved.

The invention discloses a four-port optical circulator with a symmetric structure. The optical circulator is sequentially provided with a dual optical fiber collimating device, a beam splitting/combining element, a polarization conversion subassembly, a light path transformation subassembly, a polarization conversion subassembly, a beam splitting/combining element and a dual optical fiber collimating device along the axial direction of the whole device, wherein the beam splitting/combining element adopts a parallelogram birefringent crystal structure, and moreover, the left inclined surface and the right inclined surface in the crystal structure are both toward the light transmission direction; the light path conversion subassembly comprises a wedge plate pair and a roof prism, wherein the wedge plate pair is formed by combining two wedge plates which are matched with each other at angles; and the optical axes of the two wedge plates are mutually orthogonal. With the adoption of the four-port optical circulator with the symmetric structure provided by the invention, a symmetric light path can be enabled to be formed in the beam splitting/combining element, and the input and output of the optical circulator can be kept on the axis of the whole equipment, thus, the production and assembly can be conveniently carried out; and benefits are brought to debug the light path and package devices.

The invention relates to a centroid-driven focusing mechanism based on a flexible hinge. The centroid-driven focusing mechanism comprises a base, two sets of guide rail sliding blocks, a lens group bracket, an optical lens group, the flexible hinge, a driving connecting rod, a linear motor and a linear motor bracket. Through the two sets of guide rail sliding blocks, a high-precision linear motionsupport is provided for the optical lens group and the lens group bracket, and the linear motor is utilized as motion drive of the optical lens group and the lens group bracket; on the basis of the flexible hinge, the requirement for the angular deviation error between the driving axis of the linear motor and the motion direction of the optical lens group is reduced; and through the driving connecting rod, it is ensured that a driving force-bearing point of the lens group bracket is located between the two sets of guide rail sliding blocks, and thus a centroid-drive form is achieved. According to the focusing mechanism, through the flexible hinge and the driving connecting rod, the influences of the assembly angular deviation error of the linear motor and driving force eccentricity on themotion precision of the lens group are effectively relieved, the problems of jamming, hysteresis and the like of the lens group are avoided, and meanwhile, the assembly complexity of the focusing mechanism is reduced.

The invention provides a catalyst ignition stage torque distribution method. The method is used for a hybrid vehicle comprising a control system and an exhaust system. The method comprises the following steps that: a vehicle driving demand torque and the first temperature of a first catalytic converter are acquired, and whether the temperature of the first catalytic converter reaches an ignition temperature or not is judged; and if the temperature of the first catalytic converter does not reach the ignition temperature, the vehicle driving demand torque is compared with a motor torque output threshold value, and when the vehicle driving demand torque is smaller than or equal to the motor torque output threshold value, a motor control module is adopted to control the output torque of the motor to be the vehicle driving demand torque and control an engine to heat the first catalytic converter. On the basis of the method, the invention further provides a system and a device. According tothe method, system and device of the invention, different output torque distribution strategies are designed the engine works under proper working conditions, so that the temperature of the first catalytic converter and the temperature of a second catalytic converter are increased respectively, and meanwhile, the torque output range of the engine is limited; the situation that oil consumption andemission are not facilitated due to multiple transient working conditions of the engine, large load of a refrigerator and the like is avoided; and vehicle fuel economy is improved.

The invention discloses a micro-inertial measuring component structure to resist a high overload, and the micro-inertial measuring component structure comprises a supporting structure that is a hollowed-out hexahedral structure formed by supporting ribs. Three orthogonal axial sides of the hexahedral structure are open-through. At least one frame of one hollow plane extends outwardly to form a lugboss, so that the supporting structure has seven hollow planes for mounting circuit boards. A potting material is filled into the internal space of the hexahedral structure through the three orthogonal axial sides. The micro-intertial measuring component structure reduces the degree of assembly complexity of a sensor circuit board as well as an overall component, and reserves a space or a passagefor flowing of the material in the potting process to ensure the compactness of the potting. The micro-inertial measuring component structure is novel in design and easy for assembly operation, and high overload requirements can be met while realization of miniaturization.

Optical camera systems for nondestructive internal inspection of online, operating power generation turbines, including gas turbine combustor and turbine sections that are at high operating temperatures in the range of over 600 DEG C (1112 DEG F) and which include combustion gas contaminants. The inspection system includes one or more aspheric lenses capable of withstanding continuous operating temperatures above 600 DEG C. The aspheric lenses, alone or in combination with spherical lenses, establish a wider field of view, and require fewer lenses in combination than lens mounts incorporating only spherical lenses. A cooling system incorporated in the inspection system facilitates continuous operation and inhibits lens external surface fouling from combustion gasses.

The invention relates to a position inverse solution method of a six-axis robot and the six-axis robot. The inverse position solution method of the six-axis robot is a geometric solution combined with a robot kinematics basic theory, geometric meanings of the six-axis robot can be visually displayed, conventional rigid body kinematics and robotics theories are combined, only basic arithmetical operation and basic operation of a matrix are involved, an iterative operation process is avoided, and the calculation speed is high after programming. The position inverse solution method of the six-axis robot can be used for kinematics simulation before development of the six-axis robot, guiding model selection of parts of the six-axis robot and checking whether the extension value of a piston rod of an electric cylinder of the six-axis robot is within an allowable range or not.

The invention relates to a power battery pack, an energy storage device and an electric vehicle. The power battery pack comprises an accommodating device and a plurality of battery single bodies arranged in the accommodating device. The accommodating device is provided with a plurality of accommodating areas. Each accommodating area is provided with a first frame and a second frame which are oppositely arranged in the first direction, and the battery single bodies arranged between the first frame and the second frame. The first frame and the second frame have different intervals along the first direction among different accommodating areas. Each battery single body comprises a first end and a second end which are opposite to each other, and the distance between the first end and the secondend of each battery single body is matched with the distance between the corresponding first frame and the corresponding second frame. Due to the fact that the battery single bodies extend between the first frame and the second frame, use of the cross beams and/or the longitudinal beams can be reduced, the space utilization rate of the accommodating device is increased, and the accommodating device is provided with the plurality of accommodating areas different in shape and size and can be matched with the structure and shape of an installation space on an electric vehicle.

The invention relates to a speed inverse solution method for a six-axis robot and the six-axis robot. The speed inverse solution method for the six-axis robot is a geometric solution combined with a basic theory of robot kinematics, can visually display geometric meanings of the six-axis robot, combines conventional rigid body kinematics with robotics theories, only involves basic arithmetical operation and basic operation of matrixes without iterative operation process, and is high in calculation speed after programming, and the speed inverse solution method for the six-axis robot can be used for kinematics simulation before development of the six-axis robot, guiding model selection of parts of the six-axis robot and inspecting whether the elongation value and the extension speed of a piston rod of an electric cylinder of the six-axis robot are within allowable ranges or not.

The invention relates to a chalcogenide optical element with an electromagnetic shielding performance and a preparation method thereof. The method includes following steps: (1) plating an inorganic membrane layer on the surface of a substrate of the chalcogenide optical element; (2) spraying an organic coating on the surface of the inorganic membrane layer; and (3) transferring a graphene infrared transmitting electromagnetic shielding film to the surface of the organic coating to obtain the chalcogenide optical element with the electromagnetic shielding performance. According to the chalcogenide optical element with the electromagnetic shielding performance, compared with the optical element regarding a metal mesh as a shielding body, the realization performance is great, the manufacturing method is simple, and the manufacturing cost is low; according to the chalcogenide optical element with the electromagnetic shielding performance, the light absorption coefficient in the work waveband of 1.06-12 [mu]m is small, the light transmittance is high, and the electromagnetic shielding effect is high; and the sheet resistance is lower than 35 ohms per square, the electromagnetic shielding efficiency is greater than 15 dB, and the infrared transmission loss is less than 3%.

The invention belongs to the technical field of integrated circuit manufacturing and specifically discloses a worktable and a backside alignment device. The worktable disclosed by the invention comprises a horizontal base, an air foot, a suction cup and a first air guiding component, wherein the horizontal base is provided with a light-transmitting hole penetrating through the upper surface of thehorizontal base; the air foot is arranged on the horizontal base and is movable on a horizontal plane relative to the horizontal base; a plurality of first light-passing holes are disposed on the airfoot at intervals; when the air foot moves on the horizontal base, the plurality of first light-passing holes can communicate with the light-transmitting hole; the suction cup is arranged above the air foot, and can be rotated in three degrees of freedom relative to the air foot and translated in a vertical direction; the suction cup is provided with a second light-passing hole at a position corresponding to the first light-passing holes; the upper surface of the suction cup is provided with a first adsorption air passage for adsorbing the substrate; one end of the first air guiding componentis in communication with the air foot, and the other end of the first air guiding component is in communication with the first adsorption air passage. The worktable and the backside alignment deviceprovided by the present invention are simple in structure and low in cost.

The embodiment of the invention relates to a radio assembly component and communication equipment. Wherein the radio frequency assembly comprises a radio frequency board which is provided with M first radio frequency connection points; a radio frequency circuit is arranged on the radio frequency board, and the radio frequency circuit is used for supporting transceiving processing of radio frequency signals; an antenna plate is provided with M second radio frequency connection points, and each second radio frequency connection point is connected with one first radio frequency connection point in a one-to-one correspondence manner; an antenna group is arranged on the antenna plate and comprises N antennas; a switching circuit is arranged on the antenna board, a plurality of first ends of the switching circuit are connected with the M second radio frequency connection points in a one-to-one correspondence mode, and a plurality of second ends of the switching circuit are connected with the N antennas in a one-to-one correspondence mode. The switching circuit is used for selectively conducting the radio frequency paths between any M antennas and the M second radio frequency connection points in one-to-one correspondence, so that the occupied area of the radio frequency board can be saved, the insertion loss caused by radio frequency routing on the radio frequency board is effectively reduced, and the communication performance of the radio frequency assembly is improved.

The invention relates to a joining assembly for joining partners of a vehicle, including a first joining partner, at least one second joining partner, and a holding device by which the joining partners can be connected to each other to form the joining assembly, where the holding device includes a receiving structure on which at least one adhesive member is arranged, which can be brought into at least two states, where in a first state, the adhesive member allows an adjustment of the second joining partner on the first joining partner, where the change from the first state into a second state can be activated by transformation means, where in the second state, the adhesive member is cured, whereby fixation of the joining partners to each other can be achieved.

The invention relates to a paper folding type wheel with the variable width. The paper folding type wheel comprises a reducing wheel carrier and a wheel shaft installed on the reducing wheel carrier.The reducing wheel carrier comprises a plurality of folding units sequentially connected end to end to form a ring. Each folding unit is provided with a first plane, a second plane, a third plane, a fourth plane, a fifth plane and a sixth plane; a first valley fold line is arranged between the first plane and the second plane and is symmetrically arranged by taking the first valley fold line as acenter; a first mountain fold line is arranged between the third plane and the fourth plane and is symmetrically arranged by taking the first mountain fold line as the center; a second valley fold line is arranged between the first plane and the third plane, a third valley fold line is arranged between the second plane and the fourth plane, the fifth plane and the sixth plane are symmetrically arranged with the first valley fold line as the center, and the fifth plane and the sixth plane are connected with the first plane and the second plane respectively. The paper folding type wheel with thevariable width can adjust the width of the variable-diameter wheel carrier, and belongs to the technical field of variable-width wheels and variable-diameter wheels.

The invention relates to an optical-machine module and the lens moving buffer device that includes lens, actuator, the first magnetic component and the second magnetic component. The actuator supplies a thrust to drive the lens along optical axis direction. And the first magnetic component is set on the lens. The second magnetic component generates a magnetic reverse thrust along optical direction between the first magnetic component and the second magnetic component. When the actuator drives the lens, the second magnetic component supplies reverse thrust as the buffer power for lens. The non-contact magnetic component takes the place of contact flexible component to avoid the noise and decrease the installing complex. It could effectively save space and decrease volume of the optical-machine module.