38results about How to "Solution does not work" patented technology

The invention provides a machine vision-based pointer type meter reading recognition method and device. According to the method and device, the complete dial plate image of a pointer type meter to be recognized is acquired; the pointer straight line equation of straight lines where a pointer is located is established; segmentation is performed, so that n sub-images are obtained; the n sub-images are matched with a feature database, so that m matching sub-images are determined; the center pixel coordinates of the m matching sub-images are determined; when m is not 0, an indication number corresponding to a sub-image corresponding the enter pixel coordinate of a corresponding straight line closest to the pointer straight line equation is determined as an indication number closest to the position of the pointer according to the m center pixel coordinates; the pixel coordinates of a point to be verified are determined and are converted into actual spatial coordinates; an image acquisition device is controlled to move to the actual spatial coordinates to acquire the final dial plate image of the pointer type meter to be recognized; and the reading of the pointer type meter to be recognized is obtained through using a distance method according to the final dial plate image.

Disclosed is a dedicated clamp for curtain wall doors and windows metal insulated profile tensile tests; the upper clamp is shaped as an inverted T; the upper part of the clamp is rotatably connected with a suspended frame through a pin shaft and a lathe dog; the top part of the suspended frame is connected with an upper screw rod and an adjusting handwheel; the two shoulder parts of the upper clamp are connected with a pair of replaceable upper clamping plates which are shaped as an inverted T; a triangular jack is arranged on each upper clamping plate; the triangular jack is matched and insertedly connected with a triangular bolt; one end of the triangular bolt is provided with a pin head; the cross-section of the insertion rod of the bolt is a triangle corresponding to the triangular jack; the lower clamp is T-shaped; the bottom part of the lower clamp is connected with a lower screw rod and an adjusting handwheel; both shoulder parts of the lower clamp are connected with a pair of replaceable lower clamping plates; a triangular jack is arranged on each lower clamping plate; and the triangular jack is matched and insertedly connected with the triangular bolt. The invention solves the problem that the traditional clamp models are not universal and is easy and fast to use; besides, the invention effectively fixes the location of the profiles and enables the upper clamp and the lower clamp to be in the same vertical line to ensure the vertical alignment of the upper clamp and the lower clamp so as to guarantee the accuracy of the test data.

The invention provides a vehicle keyless entry and starting system and method based on Internet of vehicles. The system comprises a cloud end, at least one vehicle end and at least one intelligent terminal. The cloud end comprises a trusted cloud server, a certificate server and a third safty module; the vehicle end comprises a vehicle entering and starting control module, a vehicle end short-range communication module and a second safety module; and the intelligent terminal comprises an intelligent terminal control module, a terminal short-range communication module and a first safety module.When the cloud end, the vehicle end and the intelligent terminal carry out identity authentication, the cloud end carries out identity authentication on the vehicle end and the intelligent terminal respectively, and then the vehicle end and the intelligent terminal carry out identity authentication on the cloud end respectively. Direct mutual authentication between the intelligent terminal and the vehicle end is avoided, consumption of storage and computing resources of the intelligent terminal is reduced, and a problem that a vehicle key is not universal among vehicles of different brands issolved.

The invention discloses a special-shaped beam column node template and an engineering template equipping method thereof. The special-shaped beam column node template comprises a bottom die used for being connected with an upright column in a sealing and embracing mode, and an upper die which is fixedly connected with the bottom die, wherein an annular platform is arranged at the upper opening of the bottom die outwards at 90 degrees, a long strip arc through hole is formed in the annular platform, the upper die consists of a plurality of sections of arc templates, the plurality of sections of arc templates are regulated and spliced along the inner circumference of the bottom die to left beam connectors in different directions to form special-shaped beam column nodes, and a bolt penetrates through the through hole to be used for fixing the upper die onto the bottom die. According to the special-shaped beam column node template disclosed by the invention, by virtue of the structure, an upper template can be arranged in an arbitrary rotating mode so as to regulate the direction of a beam opening; by using the upper template formed by the arc templates with the common divisor or called modulus, the upper template can be detached and separately spliced, and the problem of non generality is solved with the combined type modulus upper template; by virtue of a matching method, the use quantity of the upper template can be proper, so that the segmented continuous construction is realized without needing to manufacture the whole template, and the construction cost is saved.

The invention provides a quantitative detection kit for a porcine circovirus type 2 antigen, belonging to the field of biotechnological detection. A hybridoma cell strain 1G9 secreting a monoclonal antibody against the porcine circovirus type 2 has an accession number of CCTCC No. C2016105. The quantitative detection kit for the porcine circovirus type 2 antigen comprises a detection antibody and an ELISA plated coated with the monoclonal antibody against the porcine circovirus type 2, wherein the detection antibody is an enzyme-labeled monoclonal antibody against the porcine circovirus type 2. The quantitative detection kit for the porcine circovirus type 2 antigen in the invention only uses one antibody as a coated and detection antibody, and is simple to prepare, low in cost, good in broad spectrum activity of the antigen, and high in sensitivity and specificity.

The invention provides a transformer station prefabricated cabin and a ventilation system therefor, so as to solve a problem that a conventional ventilation system with a gravity shutter is not universal for air incoming and outgoing. The system comprises a blower fan and a gravity shutter structure, and the air incoming and outgoing ends of the blower fan are respectively provided with installation structures for installing the gravity shutter structure. During installation, the gravity shutter structure can be installed on different installation structures according to the actual needs, thereby enabling the ventilation system to be changed into an air incoming system or an air outgoing system. The installation process is convenient, and the ventilation system can achieve the switching of two modes: air incoming and air outgoing, and solves a problem that a conventional blower fan is not universal during installation. Moreover, the installation holes on the two installation structures can be designed and processed in a modularized manner, and the processing process is convenient.

The invention provides an adaptive method enabling an ONT (optical network terminal) to support GPON / EPON / P2P uplink modes. The method includes the following steps that: step 1, the OMCI registration certification and configuration process of a GPON is developed; step 2, the OAM registration certification and configuration process of an EPON is developed; step 3, the peer-to-peer transmission process of P2P is developed; and step 4, the three kinds of different modes are integrated, initialization is carried out on the GPON mode, the EPON mode and the P2P mode separately, so that it can be ensured that when different modes are selected, the corresponding modes can be correctly initialized, and thus, corresponding uplink equipment can be matched with the uplink modes, so that a registration certification process can be completed. With the adaptive method enabling the ONT (optical network terminal) to support the GPON / EPON / P2P uplink modes provided by the invention adopted, uncertainty for actual uplink modes can be eliminated, and a situation that a plurality of PCBA are adopted when different uplink modes are tested, and therefore, one PCBA and one kind of software can be utilized universally by all the uplink modes.

The invention relates to a user irrelevant myoelectric gesture recognition system based on adaptive learning. The system comprises a data acquisition unit, a clustering unit, an adaptive KNN neighbor classifier and a risk evaluator which are connected in sequence. The data acquisition unit is used for acquiring existing user data and processing the data; the clustering unit finds clustering centers of different actions from the signal data after data processing by adopting K-Means clustering, and extracts N samples with the shortest distance between each action of each user and the clustering center as a training set for training a self-adaptive KNN neighbor classifier; the adaptive KNN neighbor classifier is used for obtaining a corresponding label according to the new user data; and the risk evaluator evaluates new user data, and qualified samples are used for replacing remote samples of the training set and updating weights of the samples of the training set. According to the method, the problem that the model is not universal due to the individual difference of the electromyographic signals is solved, the re-training step of the user is not needed, the use experience of the user is greatly improved, and the recognition accuracy can be dynamically improved.

The invention discloses an indexable face milling blade. The face milling blade comprises a blade base body (1) and a cutting body (2) laminated on the upper surface of the cutting body (2). The indexable face milling blade approximates to be in a prismatic table shape and comprises a positioning side face (11), an upper plane (12) and a positioning bottom face (13). The projection of the edge of the positioning bottom face (13) or the extension line of the edge of the positioning bottom face (13) on a front tool face (21) intersects with the corresponding edge of the front tool face (21) or the extension line of the corresponding edge of the front tool face (21) to form a face deflection angle (23). The face, making contact with a to-be-machine piece, in the cutting body (2) is the front tool face (21). Optionally, a rear tool face (3) is arranged between the front tool face (21) and the positioning side face (11), so that the phenomenon that in edge repair grinding, a positioning side face is damaged is avoided, stabilization and long-acting of a positioning benchmark are ensured, and the cutting face milling blades and the sleeking face milling blades are universal for the same tool disc clamp grooves. The invention further provides a tool bit using the indexable face milling blades, so that the quantities and positions of the cutting face milling blades and the sleeking face milling blades are set on the tool discs with the same tool disc clamp grooves according to requirements.

The invention discloses a high-speed steel wire winding machine. The winding machine mainly comprises a main machine base, a power assembly, a large disc, a steel wire preforming device, a wire distributing disc, a straight middle rubber shell, a transmission chain and high-speed constant-tension pay-off assemblies, wherein the power assembly is fixedly arranged on the lower portion of the main machine base, and a tension-adjustable mechanical arm is fixedly arranged on the upper portion of the left side of a main machine. The a high-speed steel wire winding machine is reasonable in structuraldesign, for a weaving mode, a winding mode can completely replace the weaving mode for production, and the problems of low weaving speed, universal materials, and noise pollution reduction are solved; one machine has multiple purposes, the pay-off or cloth pay-off tension is adjusted according to production requirements, and the production modes are flexibly switched according to the order conditions, so that production of pipe structures with different types is met, investment of factory equipment cost is reduced, the land area is reduced, the maintenance cost is reduced, and manpower resources are saved.

The invention discloses an earphone jack converter for dust plugs, comprising an integrated converter body, a four-section earphone plug with the diameter of 2.5mm, and a four-section earphone jack with the aperture of 3.5mm. The four-section earphone plug with the diameter of 2.5mm and the four-section earphone jack with the aperture of 3.5mm are connected through the converter body. An ornament is arranged outside the converter body, and the conversion jack is hidden inside the ornament. Thus, the external structure is similar to a dust plug. Through the technical scheme, the earphone jack converter for dust plugs is small, simple in structure, and beautiful in shape. When not used as a converter, the earphone jack converter can be plugged into the earphone jack for a long time as an earphone jack dust plug to prevent dust from entering the inside of a mobile phone through the earphone jack. The earphone plug with the diameter of 2.5mm can be converted into a universal 3.5mm earphone jack, so that the problem that various earphones plugs are not universal is solved. The earphone jack converter is worth promoting.

The invention discloses a lock cylinder structure which comprises a body with a lock cylinder. One end or two ends of the body is at least movably connected with a lock sleeve consistent with the bodyin appearance and provided with a through hole. The problem that lock cylinders are non-universal is solved by adding lock sleeves on existing lock cylinders to adapt to doors different in thickness.The lock cylinder structure is convenient to mount, safe and reliable, and a manufacturer only needs a tool to produce a standard lock cylinder and a standard lock sleeve, so that production and management cost can be lowered greatly.

The invention discloses a panel door lock structure which comprises a panel equipped with a locking hole and a lock cylinder protective cover and is characterized by comprising a decorative ring, wherein the lock cylinder protective cover is disposed in the locking hole of the panel; and the decorative ring sleeves the lock cylinder protective cover and covers clearance between the lock cylinder protective cover and the panel locking hole. According to the invention, a cover plate of the decorative ring can be used to shield the clearance between the panel locking hole and the lock cylinder protective cover; and based on a minimum lock cylinder size during design, a lock cylinder can be matched with locking holes in all the panels if the radial width of the decorative ring cover plate is larger than the maximum clearance between the lock cylinder and the panel locking holes in the current market. In this way, a manufacturer only needs to produce lock cylinders and matched lock cylinder protective covers of the same specifications so as to solve the problem in the prior art that panels and the lock cylinder protective covers are non-universal; matching can be achieved by consumers more easily; and a production management level and production efficiency of the manufacturer can be increased.

In order to solve the problem that a nozzle holder and a nozzle are not universal, the invention provides a multifunctional universal water spraying device for a cloth dyeing machine. The invention relates to the field of cloth dyeing machines, in particular to the multifunctional universal water spraying device for the cloth dyeing machine. The multifunctional universal water spraying device comprises a nozzle holder and a nozzle, the nozzle holder comprises a shell, the shell is in a cylinder shape with two communicated ends, the nozzle is arranged in the shell, a water inlet is formed in the shell, and a first annular block and a second annular block which are coaxial are arranged in the shell. A pressing disc is coaxially arranged on the first annular block, and a center hole is formedin the pressing disc. The nozzle comprises an inner inserting piece and an outer sleeving piece which are coaxial, the inner inserting piece is inserted into the outer sleeving piece, a pressurizinghole is defined by the inner inserting piece and the inner wall of the outer sleeving piece, a threaded hole is formed in the outer sleeving piece and used for being in threaded connection with a screw, the screw is used for abutting against the outer wall of the inner inserting piece, the inner inserting piece is in threaded connection with the inner wall of the center hole, and the outer sleeving piece abuts against the second annular block.

The invention provides a vehicle gearbox shifting robot control system, comprising an upper computer, a lower computer, a driving unit, an actuator, a displacement sensor and a force sensor. An outputend of the upper computer, the output end of the upper computer and the output end of the force sensor are in communication connection with an input end of the lower computer, the output end of the lower computer is in communication connection with the input end of the driving unit, and the output end of the driving unit is in communication connection with the input end of the actuator. The uppercomputer is used for performing user interaction and inputting a gear connection diagram and other control information to the lower computer. The lower computer receives feedback signals from the upper computer, the upper computer and the actuator, performs logical operation, selects different shifting process strategies to control the driving unit, the driving unit drives the actuator to performan action, and the sensor on the actuator feeds back a real-time signal. The vehicle gearbox shifting robot control system can reduce the development cost. A synchronization zone torque control modeis added to make the shifting process be more realistic, and the experimental data are more accurate and reliable.

The present application provides a method, device, system, and storage medium for detecting the space occupancy rate of a vehicle compartment. The method includes: controlling the acoustic wave generating module to transmit a transmission signal with a preset time length to the vehicle under test; calculating the echo signal received by the acoustic wave receiving module. Duration, the echo signal is the sound wave signal reflected back by the transmitted signal after passing through the compartment; the space occupancy rate of the compartment to be tested is determined according to the preset time length of the transmitted signal and the duration of the echo signal.

The invention provides a mounting and clamping dual-purpose knife set for facing head machining, especially for the machining of a facing head of an inner die cavity of an assembly of a steam turbine, in order to solve the problems of the existing knife set for machining the inner cavity of the assembly of the steam turbine, such as failure in universality, poor adaptability and difficulty in machining of the inner die cavity of the assembly of the steam turbine. The mounting and clamping dual-purpose knife set provided by the invention comprises a cylinder, an octahedron, two connecting bodies and two handle keys, the cylinder is provided with a round hole in the axial direction on one side from one end face to a center line, the cylinder is provided with a rectangular hole in the axial direction on one side from the other end face to the midperpendicular, the cylinder and the octahedron are integrated into a whole, the two connecting bodies are arranged on the lower end face of the octahedron in parallel, the octahedron and the two connecting bodies are integrated into a whole, the lower end face of the octahedron between the two connecting bodies is provided with two handle keys in parallel in the axial direction of the cylinder, and the two handle keys are connected with the octahedron. The mounting and clamping dual-purpose knife set is used for facing head machining.

The invention provides a transformer station prefabricated cabin and a ventilation system therefor, so as to solve a problem that a conventional ventilation system with a gravity shutter is not universal for air incoming and outgoing. The system comprises a blower fan and a gravity shutter structure, and the air incoming and outgoing ends of the blower fan are respectively provided with installation structures for installing the gravity shutter structure. During installation, the gravity shutter structure can be installed on different installation structures according to the actual needs, thereby enabling the ventilation system to be changed into an air incoming system or an air outgoing system. The installation process is convenient, and the ventilation system can achieve the switching of two modes: air incoming and air outgoing, and solves a problem that a conventional blower fan is not universal during installation. Moreover, the installation holes on the two installation structures can be designed and processed in a modularized manner, and the processing process is convenient.

The invention discloses a voltage-adjustable rechargeable AAA lithium battery, which is characterized by comprising a positive electrode cover, a metal casing, a battery cell and a variable pressure circuit board. The battery cell is arranged in the metal casing, the positive electrode cover is arranged at the upper end of the metal casing, the variable pressure circuit board is arranged between the battery cell and the positive electrode cover, and the variable pressure circuit board is connected with the battery cell. The positive electrode cover comprises a metal upper cover plate, a rotating block, a plastic cover plate, a first metal link block and a second metal link block, wherein the metal upper cover plate is provided with a positive electrode cap, the metal upper cover plate is arranged on the plastic cover plate, and the rotating block is arranged between the metal upper cover plate and the plastic cover plate. A lithium battery base voltage level and a 1.5 V standard voltage level can be selecte by that left and right stroking of a metal shift fork, so that the problem that the 3.7 V, 3.2 V and 2.4 V base voltage level of the lithium battery are not common with the 1.5V conventional standard battery is solved.

The invention discloses a medical multipurpose sampling swab, a sampler, a sampling system and a control method.The sampling swab comprises a sampling head and a supporting rod, the sampling head comprises a swab crown, a connecting section and an elastic section, the elastic section is arranged on the front portion or the rear portion of a breaking groove, the connecting section is arranged between the elastic section and the swab crown, and the connecting section is arranged between the elastic section and the swab crown; the swab crown is arranged at the front part of the elastic section; the whole swab crown is ellipsoidal, the outer surface of the front half part of the swab crown is a smooth arc surface, and a plurality of sampling grooves which are distributed at intervals in the circumferential direction and concave inwards are formed in the arc surface of the outer surface of the rear half part of the swab crown; the outer surface of the swab crown is coated with a sampling material layer; and a clamping part is arranged at the tail part of the supporting rod. By synchronously improving the sampling swab, the sampler, the sampling system and the control method, the usability, universality and safety of the product are improved, digital management of the whole sampling process is achieved, sampling instruments are universalized, safe and convenient, the informatization and intelligence level is high, and sampling is efficient and reliable.

The invention provides a gateway uplink mode switching method, gateway equipment and a communication system. The gateway uplink mode switching method comprises the following steps of: monitoring a gateway uplink chain in a first uplink mode, and acquiring a connecting state of the gateway uplink chain in the first uplink mode; and if acquiring that the connecting state is of an open-circuited state, switching the gateway uplink chain in the first uplink mode into a gateway uplink chain in a second uplink mode. According to the invention, the problem that two gateway equipment are not compatible in the prior art is solved, and the purpose of automatically switching one uplink mode into another uplink mode when the gateway uplink chain of the gateway equipment under the one uplink mode has the fault is achieved. As for a network operator, the gateway uplink mode switching method, the gateway equipment and the communication system can ensure that a network of the network operator can be installed more conveniently and rapidly. As for users who adopt two uplink modes simultaneously, the gateway uplink mode switching method, the gateway equipment and the communication system can ensure that the users can use another uplink mode to continuously use the network without the need of waiting the gateway uplink chain in the current uplink mode to restore to be normal from the fault.

The invention discloses an information processing method and device and equipment and belongs to the technical field of face recognition. The information processing method comprises the following steps: respectively inputting a sample face image into at least two face feature extraction models to obtain at least two pieces of first face feature information; respectively inputting the at least two pieces of first face feature information into at least two face feature conversion models to obtain at least two pieces of second face feature information; and under the condition that the at least two pieces of second face feature information and the target face reference feature information meet a preset condition, taking the at least two pieces of second face feature information as standard face feature information. According to the information processing method and device and the equipment provided by the invention, the standard face feature information can be universally used for each face recognition system.

Provided is a side-view imaging azimuth-aligning apparatus for a polarization maintaining fiber. The apparatus is formed by an optical path portion, a rotation control portion, and an azimuth-aligning program, two optical paths arranged in the vertical manner and the rotation control portion are fixed on the same mechanical platform, the rotation control portion and a host computer are connected via an RS232 interface, and the optical paths and the host computer are connected via a PCI bus. A side-view imaging azimuth-aligning method for the polarization maintaining fiber includes four steps. According to the method and the apparatus, azimuth aligning is accomplished by directly employing the symmetry of a characteristic curve, the construction of a standard curve is not needed, the calculation amount is reduced, the speed and the precision for azimuth aligning are improved to a certain extent, and the problem that the standard curve is not universal for different types of fibers is well solved.

The invention relates to a turning tool and turning method of a large thin-wall conical aluminum alloy part, and belongs to the field of machining of large thin-wall conical aluminum alloy forgings. According to a fixture for the large thin-wall conical aluminum alloy forgings, a supporting plate is used for fixing the outer walls of the thin-wall conical aluminum alloy forgings, the machining deformation in the machining process is controlled, the uniformity of the wall thickness of final products is guaranteed, the machining efficiency is improved, and the machining quality is guaranteed. Bychanging the type of the supporting plate and a cushion block, the problem that machining fixtures for thin-wall conical aluminum alloy forgings with different sizes are not universal is solved, andthe machining cost is reduced.

The invention provides a quantitative detection kit for a porcine circovirus type 2 antigen, belonging to the field of biotechnological detection. A hybridoma cell strain 1G9 secreting a monoclonal antibody against the porcine circovirus type 2 has an accession number of CCTCC No. C2016105. The quantitative detection kit for the porcine circovirus type 2 antigen comprises a detection antibody and an ELISA plated coated with the monoclonal antibody against the porcine circovirus type 2, wherein the detection antibody is an enzyme-labeled monoclonal antibody against the porcine circovirus type 2. The quantitative detection kit for the porcine circovirus type 2 antigen in the invention only uses one antibody as a coated and detection antibody, and is simple to prepare, low in cost, good in broad spectrum activity of the antigen, and high in sensitivity and specificity.

The invention discloses a side suspension type supporting device for a traction motor test. The side suspension type supporting device comprises a base, a vertical frame and a movable block, wherein the vertical frame is fixed on the base, the movable block is fixed on the vertical frame through a first fastener, a cross beam is arranged on the vertical frame, the upper end of the movable block protrudes out of the vertical frame, the lower end of the movable block abuts against the cross beam, the movable block is connected with the cross beam through a second fastener, the vertical frame is provided with side check blocks on the two sides of the movable block, the side check blocks are connected with the movable block through third fasteners, a cushion block is arranged on the side, away from the vertical frame, of the movable block, an upper suspension of the motor is fixed to the upper end of the movable block through a fourth fastener, and a lower suspension of the motor is fixed to the cushion block through a fifth fastener. On the basis that the movable block is fixed to the vertical frame, secondary reinforcement is carried out through the side check blocks and the cross beam movable block, the effect of preventing the movable block from tipping forwards and backwards or left and right is achieved, the whole supporting device is safer and more reliable, the movable block is an independent component, and the side suspension type supporting device can be suitable for motors of different series just by configuring the movable blocks of different specifications.

The invention discloses a learning processing method of 3D (three-dimensional) spectacles. Synchronous infrared signals of 3D play devices of existing brands are received by a learner, switching signals original 3D spectacles of are received by an optical signal channel, the synchronous infrared signals and the switching signals are simultaneously transmitted to a microprocessor, the microprocessor compares the wave form of the synchronous infrared signals with that of the switching signals, the corresponding positions of the on / off time points and periods of the left lens and the right lens of the original 3D spectacles in the infrared signals are recorded, and corresponding relational data information is generated and stored, sent through the learner and received and stored by to-be-learnt 3D spectacles. Through the learning process of the original 3D spectacles for a 3D television, a user can watch the present 3D television by wearing the to-be-learnt 3D spectacles, so that the user needs not to wear the original 3D spectacles while watching 3D televisions of different brands, and the general function of 3D spectacles is realized.