18results about How to "Avoid oversizing" patented technology

The invention relates to the technical field of power distribution, and discloses a power distribution system planning method, system and equipment and a storage medium, different power distribution schemes are formed by adjusting the topological relation of a power supply node, a load node and a new energy node, optimization is carried out through an optimization algorithm, an optimal power distribution scheme is output, the peak capacity of the power supply node can be reduced, and the power distribution efficiency is improved. Optimization of the power distribution system is realized; the peak capacity of the power supply node is obtained through superposition of the load curves of all the nodes connected with the power supply node, and then the transformer configuration in the power supply node is optimized through an optimization algorithm, so that the optimal, most reasonable and most economical transformer configuration can be obtained, and the problem of overlarge transformer type selection is avoided. In addition, during planning, the new energy nodes are taken into consideration, the new energy nodes participate in peak value calculation of the power supply nodes, the capacity expectation of the transformer of the power supply nodes can be further reduced, and optimization is achieved. And safety verification is also carried out, so that the safety of the planned power distribution system is ensured.

The invention discloses a wireless earphone and an earphone and watch combined wearable component, the wireless earphone comprises an earphone body and a wearing clip, the wearing clip is provided with a storage groove, the earphone body is movably connected with the wearing clip, and the earphone body moves relative to the wearing clip, so that the wearing clip can be used for wearing the wireless earphone. And the earphone body is switched between a storage state and an unfolding state, in the storage state, the earphone body is stored in the storage groove, in the unfolding state, the earphone body can abut against the front side of the ear, the wearing clip can extend backwards and abut against the back side of the ear, and the wearing function of the wireless earphone is achieved. The wireless earphone of the scheme can be set to be a non-in-ear earphone, so that the wearing comfort is improved. When the wireless earphone is stored, the earphone body can be stored and folded in the storage groove of the wearing clip, and the size of the whole wireless earphone is reduced to a great extent, so that the size of the storage box for storing the wireless earphone can be miniaturized, and the wireless earphone is more convenient to carry by a user.

The utility model discloses a novel carton bottom quick sealing device which comprises an outer frame, an inner frame and a carton sealing machine core, the inner frame is arranged on the inner side of the outer frame, two connecting rods are connected between the front inner wall and the rear inner wall of the inner frame and the front inner wall and the rear inner wall of the outer frame respectively, and the carton sealing machine core is arranged on the inner side of the inner frame. Two conveying assemblies are arranged on the upper side of the outer frame, each conveying assembly comprises a conveying box, the conveying boxes are arranged on the upper side of the outer frame, an operator can exactly master whether the two conveying assemblies are adjusted to the proper positions or not through the detection assemblies, a carton can be exactly clamped by the two conveying assemblies, and therefore the carton conveying efficiency is improved. Excessive position adjustment of the conveying assembly is avoided, so that the conveying assembly is prevented from extruding the side walls of the carton to deform and damage the carton.

This utility model provides a reel holder and fishing rod that can improve grip. Specifically, the reel holder (1) having an FRP hollow cylindrical reel holder substrate (10) has a reel foot holding part (12) for holding the reel foot (50) and a fixing cover (13) for fixing one end of the mounting foot (50). It also has a screw member (20) mounted on the reel holder substrate (10) and a movable cover (30) that moves axially along the screw member (20) and fixes the other end of the mounting foot (50). The movable cover (30) has a foot holding part (35, 35) for holding the other end of the mounting foot (50), and the foot holding part (35, 35) can be elastically deformed.

Provided is a reactor which can be easily manufactured, transported, and installed, and which is provided with a core body including an outer peripheral iron core, at least three iron cores disposed so as to be in contact with or joined to the inner surface of the outer peripheral iron core, and coils wound around the iron cores. Gaps capable of being magnetically coupled are formed between one iron core of the at least three iron cores and other iron cores adjacent to the one iron core. The reactor is provided with an end plate attached to one end surface of the core body, and the end plate includes a protruding portion that partially protrudes in a direction away from the outer peripheral surface of the core body.

The application provides a floating wind turbine and a stability control method thereof. The stability control method is applied to a controller in a cabin. A first sensor is used to obtain an inclination angle of a floating body, a second sensor in the cabin is used to obtain an operating state parameter of the floating wind turbine, the inclination angle and the operating state parameter are respectively transmitted to the controller, and the controller controls operating states of a damper, a ballast water adjusting assembly and an anchor chain tension adjusting assembly based on the operating state parameter and the inclination angle, so that the damper, the ballast water adjusting assembly and the anchor chain tension adjusting assembly work cooperatively, the inclination angle of the floating wind turbine is reduced, the stability of the floating wind turbine is greatly improved, the power generation capacity is increased, the floating body structure of the floating wind turbine can be optimized and lightened, the floating body is prevented from being oversized, and the cost is reduced.

The present invention provides a manually operated diaphragm valve that maintains compactness through a simple construction while simultaneously allowing for setting the valve body's opening and closing range. This design is unaffected by individual differences in the valve's internal shape, ensuring sufficient flow rate when fully open, and also allowing for arbitrary adjustment of the fully open flow rate. The valve body 1 includes a valve body 12 assembled inside a main body 10 and a main shaft 13 threaded into the main body 10 in a lifting motion, separating the valve body 12 from the valve seat 14. A handle 2 is mounted above the valve body 1 for manually rotating the main shaft 13. Near the upper part of the valve body 1, a fully open position adjustment mechanism 20 is provided. This mechanism restricts the rotation of the handle 2 on the fully open side, setting the upper limit of the flow rate of the valve body 12 when fully open.

A mobile device is provided with a position and distance monitoring function, can avoid complexity and enlargement of the structure, and can avoid great increase of the weight of a mobile body and deterioration of weight balance. A moving body (2) is suspended by air injection with respect to a fixed body (1) in which magnetic segments (11) are provided on the upper surface at a fixed pitch (p), and electromagnets (31, 32) disposed within the moving body (2) at a disposition interval offset from the pitch (p) are energized by an energization control unit (81), causing magnetic force to sequentially act on the magnetic segments (11), and moving the moving body (2). The magnetic cores (5) of the electromagnets (31, 32) constituting the one electromagnet group (3) are electrically insulated from each other by an insulating sheet (52), and the magnetic core protrusions (51) of the magnetic cores (5) together with the magnetic segments (11) form a capacitor, and a detection means (82) detects a change in capacitance of the capacitor, thereby detecting a post-movement position or movement distance.

The present invention provides a core body, a reactor and a method for manufacturing the reactor. The core body, the reactor and a method for manufacturing the reactor are lightweight and can be manufactured at low cost without increasing losses or enlarging the size. The reactor (6) includes a core body: the core body (5) includes an outer peripheral iron core (20) and at least three iron cores (41 to 44) joined to the inner surface of the outer peripheral iron core, gaps (101 to 104) that enable magnetic coupling are formed between adjacent iron cores of the at least three iron cores, and a plurality of notches (24a to 27a, 71 to 74) extending along the axial direction of the outer peripheral iron core are formed on the outer peripheral surface of the outer peripheral iron core.

A fishing reel is provided, which has a connection terminal electrically connected to the outside and can avoid the enlargement of the device and can make the structural parts waterproof. The fishing reel has: a circuit board having a printed circuit on the surface; a plurality of electrical components, which are electrically connected to the circuit board and include a microcomputer that controls the fishing reel through a control program; an external device connection part, which is electrically connected to the circuit board and is used to connect an external device; a watertight structure in which the circuit board is stored, and the external device connection part has: an external connection part, which is arranged outside the watertight structure and is electrically connected to a connector of the external device; an internal connection part, which is arranged inside the watertight structure and is electrically connected to the circuit board and the external connection part; an inner waterproof part, which waterproofs the connection between the external connection part and the inner connection part; a shell part, which holds the external connection part, the internal connection part and the inner waterproof part; and an outer waterproof part, which waterproofs the connection between the shell part and the watertight structure.

The large size of the working machine is avoided, and the driving precision of the working machine is improved. A driving machine (1) according to one embodiment comprises: an injection unit (6) that accommodates a stopper (40); and a drive blade (20) which is capable of reciprocating in a first direction and a second direction opposite to the first direction, and which strikes a stopper (40) housed in the ejection part (6) by moving in the first direction. The ejection section (6) has: a vane guide (50) that forms one side of an ejection path (6a) for supplying the stopper (40); a guide plate (60) that faces the vane guide (50) and forms the other side of the ejection path (6a); and a protrusion (56) provided on the vane guide (50). The drive blade (20) is provided with a recessed portion that receives the protruding portion (56). The projection (56) is located on the side of the stopper (40) supplied to the injection path (6a), and prevents all or part of the stopper (40) from disengaging from the injection path (6a).

The oil-cylinder-free space-saving structure comprises a mold, an injection molding part, a sliding groove base, an inclined core pulling assembly and a driving rack, a cavity is formed in the middle of the mold, the injection molding part is buckled in the cavity, an inclined barrel type inverted buckle is arranged on the side face of the injection molding part, the sliding groove base is further fixedly arranged on the mold and is close to the cavity, and the inclined barrel type inverted buckle is arranged on the inclined barrel type inverted buckle. An inclined sliding groove is formed in the top face of the sliding groove base, the inclined core pulling assembly is connected to the inclined sliding groove in a sliding mode, an inverted buckle mold core is arranged at the front end of the inclined core pulling assembly, the inverted buckle mold core obliquely and downwards abuts against the interior of an inclined cylinder type inverted buckle of an injection molding part, and the inverted buckle mold core is used for injection molding of the inclined cylinder type inverted buckle. A driving rack is arranged on the side face of the inclined core pulling assembly, the driving rack is in transmission connection with the inclined core pulling assembly, the driving rack can vertically move to drive the inclined core pulling assembly to move along the inclined sliding groove, and the inverted buckle mold core is pulled out of the inclined barrel type inverted buckle; a mechanical structure is adopted for reverse buckling demolding, the structure is small and exquisite, the mold does not need to be enlarged, and the production cost is effectively reduced.

Embodiments of the present application provide a driving device and a UAV, the driving device comprising a circuit board, a driving assembly and a detection assembly, the driving assembly is arranged on the circuit board and is used to drive the landing gear of the UAV to switch between different positions, the driving assembly has a first electrical connection part; the detection assembly is arranged on the circuit board and is used to detect the position information of the landing gear, the detection assembly has a second electrical connection part, wherein the first electrical connection part and the second electrical connection part are arranged on the same side of the circuit board. In this way, it is helpful to avoid the situation that the second electrical connection part and the first electrical connection part are located on different sides of the circuit board, which causes the size of the circuit board to be too large, it is helpful to reduce the size and complexity of the circuit board, and it is also helpful to shorten the length of the signal transmission path.

The invention provides a scroll compressor capable of preventing breakage even if a rear bearing supporting a shaft has a larger outer diameter than a shaft seal. The scroll compressor is provided with a rear bearing (18) which is press-fitted and fixed to a center housing (6) and supports a shaft (14), and a shaft seal (58) which is disposed on the through-hole (17) side of the rear bearing (18), and enables a movable scroll (22) to revolve and rotate relative to a fixed scroll (21). The rear bearing (18) has a larger outer diameter than the shaft seal (58), and the shaft seal (58) and the rear bearing (18) are of a split structure. A shaft seal fixing plate (64) having a larger diameter than the shaft seal (58) is interposed between the rear bearing (18) and the shaft seal (58).

The invention relates to a constraint optimization method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring a compiling log of a randomized constraint file; the compilation log is analyzed, constraint conflict information is obtained, and the constraint conflict information comprises conflict variables and conflict constraint expressions; performing conflict optimization calculation according to the constraint conflict information to obtain a maximum satisfaction domain of the conflict variable; carrying out availability evaluation on the maximum satisfaction domain; in response to the fact that the availability evaluation result is unavailable, iteratively performing the conflict optimization calculation, and updating the maximum satisfaction domain; and in response to the availability evaluation result that the availability evaluation result is available, based on the maximum satisfaction domain, adjusting the value range of the conflict variable, and updating the randomized constraint file. By adopting the method, the constraint conflict can be identified and solved, the generation of redundant test data is reduced, and the accuracy of the test case is optimized, so that the chip verification efficiency is improved.

The rubber plug unit (10, 10A, 10B) includes terminals (13, 13A, 14, 14A), a wire (11), and rubber plugs (12, 12A, 12B) that are in close contact with the outer periphery of the wire (11). The wire (11) has a conductive portion (22) that connects to the terminals (13, 13A, 14, 14A). The rubber plugs (12, 12A, 12B) have a retaining portion (17) that is clamped between the terminals (13, 13A, 14, 14A) and the wire (11). The conductive portion (22) and the retaining portion (17) are arranged to overlap in the axial (X) direction of the wire (11).