45results about How to "Guaranteed inspection accuracy" patented technology

The invention provides a substrate appearance inspection device capable of differentiating solder steep surface and plane surface, which are hard to detect out with colorful high-brightness illumination, and capable of picking-up position out of the solder in white illumination. A colorful camera and infrared camera are arranged above a substrate to make each light receiving faces opposite to the substrate face. A first illumination section respectively irradiating visible lights such as red, green, blue from different directions and a second illumination section irradiating infrared light along light axis of the camera are arranged between the camera and substrate. Color image is formed by reflected light reflected by the incidence substrate of the camera from the first illumination section, shade image is formed by reflected light of camera incidence infrared light. Image of position corresponding to the color image is processed when detecting position out of the welded corner, position corresponding tilt grade of five-grade is determined by using color image and shade image when detecting the welded corner.

The invention discloses a network traffic checking method and a network traffic checking device, wherein the network traffic checking method comprises the steps of acquiring actual data of the network traffic in a to-be-checked time period and actual data of the network traffic in a reference time period, wherein the reference time period is before the to-be-checked time period and is adjacent with the to-be-checked time period; based on the actual data of the network traffic in the to-be-checked time period and the actual data of the network traffic in the reference time period, calculating predicated data of the network traffic in the to-be-checked time period; calculating an error between the actual data and the predicated data of the network traffic in the to-be-checked time period; determining a predication range of the network traffic in the to-be-checked time period according to the predicated data and the error; and if a fact that the actual data of the network traffic in the to-be-checked time period exceed a preset range is checked, determining a network traffic abnormity in the to-be-checked time period. The network traffic checking method and the network traffic checking device settle a technical problem of relatively low network traffic checking efficiency in prior art.

The invention provides an appearance check device and an appearance check method, and check precision and quality can be ensured always by the invention. A shooting apparatus is used to shoot a clamp for correction; based on a measurement value for correction drawn from shot image information, in a correction structure in which a correction handling executor executes data for correction for storing, before displaying production start screen, check screen before production is displayed according to the correction message for correction order. Therefore, execution miss of correction caused by human fault like storage error made by the operators can be reliably prevented, and check precision of the appearance check device can be ensured, and check quality can be ensured.

The invention discloses a verifying device for gears of a textile machine. The device comprises a verifying platform. The verifying platform is provided with a tooth calibrating assembly and a hole calibrating assembly. The verifying platform is also provided with a strip-type hole. The tooth calibrating assembly comprises a support and a V-type platform. One end of the support is connected with a dial indicator, and the other end is fixedly arranged on the verifying platform. The V-type platform is provided with a spindle. A positioning sleeve is arranged out of the spindle. The tooth calibrating assembly is also provided with a vernier caliper. The hole calibrating assembly comprises a hole calibrating shaft and a plug gauge. The device is characterized by simple structure, convenient operation, stable and reliable use, and can obviously improve precision of gears of a textile machine.

The invention discloses full-automatic pressing equipment for a detachable plate heat exchanger and a control method. The equipment comprises a PLC control system and an electric control cabinet controlled by the PLC control system, a plurality of electromagnetic valves are arranged in the electric control cabinet, the electromagnetic valves control first to seventh pipelines respectively to carryout full-automatic pouring, pressurizing, pressure maintaining, pressure releasing, back pumping and drying processes of plate pressure testing, and therefore full-automatic pressurizing testing of the detachable plate heat exchanger is completed. The electric control system is adopted to control opening and closing of the electromagnetic valve and starting and stopping operation of the electricequipment, errors caused by manual operation are greatly reduced, the full-automatic mechanical pressing process is achieved, the productivity is liberated, the production period is shortened, the operation precision is improved, and the detachable plate heat exchanger plate pressure test method is a great leap in the detachable plate heat exchanger plate pressure test technology.

The invention belongs to the field of composite material die pressing forming, and particularly relates to a forming tool and method for an annular composite part with the section in a pi shape. According to traditional vacuum bag hot pressing forming, gum deposition will be caused, pressure in sufficient, die assembly is not in place, and therefore part precision is excessively poor. When vacuumbag hot pressing forming is adopted, the heating speed is low, and part deformation is caused. The forming tool comprises a base and a cover plate which are arranged outside and further comprises a lower module, a middle module, an upper module and an outer module which are arranged inside. The outer module is of a sectional annular structure, the other parts are of an integrated annular structure, and an annular pi shaped cavity is formed after the internal modules are combined. A preformed body is formed in advance, the modules are combined with the preformed body, the size precision and surface roughness degree of each end face of products can be effectively ensured, it can be ensured that gum liquid soaks materials at each place through vacuum pumping and pressurized gum infusion ways,and part quality is effectively ensured.

The invention provides a yarn coiler, an automatic winder and a splicing portion detection method; the winding unit (10) comprises the following elements: a yarn tube support (11) supporting a yarn feeding tube (B), a coiling portion coiling on the yarn (Y) of the yarn feeding tube supported by the yarn tube support, a splicing device (31) arranged between the yarn tube support and the coiling portion so as to splice the yarn on the yarn tube support side and the yarn on the coiling portion, a size obtaining portion (110) obtaining the size of the yarn splicing portion using a splicing unit to splice the yarn, a force obtaining portion (120) obtaining the force of the yarn splicing portion, and a detection control portion having a normal mode and a detection mode, wherein the detection control portion can switch the yarn coiling on the yarn feeding tube so as to form a coil work in the normal mode, and the detection control portion can use the size obtaining portion and the force obtaining portion to obtain the yarn splicing portion size and force, thus outputting a detection value in the detection mode.

The invention discloses a particle sorting machine. The particle sorting machine comprises a stander, a stock bin, a flattening mechanism and a conveying mechanism, wherein the stock bin, the flattening mechanism and the conveying mechanism are respectively installed on the stander, the stock bin and the flattening mechanism are sequentially arranged along the conveying direction of the conveying mechanism, a feeding opening and a discharging opening are formed in the stock bin, the discharging opening is formed in the bottom of the stock bin, the stock bin is connected with a vibrating mechanism, the flattening mechanism is provided with a horizontal flattening surface, the conveying mechanism is provided with a horizontal working surface, the discharging opening and the flattening surface are respectively arranged above the working surface, and a passage which is used for particles to pass through is formed between the flattening surface and the working surface. By adopting the particle sorting machine, not only can the quantity of the particles be adjusted, but also the scattering state of the particles can be adjusted, the inspection by an inspector can be facilitated, the inspection efficiency can be improved, and the inspection precision also can be guaranteed.

The invention discloses a method for manufacturing a check block of an insoluble liquid particle detection device and an optical sample reservoir, aiming at solving the technical problem in the prior art that a stainless steel plate sealed in the manner of thread splicing and sealant is difficult to reach the pressure-bearing value for ultrahigh pressure detection is solved. According to the technical scheme, the check block in the optical sample reservoir is integrally welded in a special processing form and is wholly embedded into a connecting block, and then is welded again to form the optical sample reservoir for an insoluble liquid particle detector applied to an optical resisting method. The optical sample reservoir with the check block in such arrangement has the highest loading capacity reaching above 400kg and can fully meet the requirement for ultrahigh pressure detection.

The invention discloses an optical system for checking an ultra large diameter convex parabolic mirror. The detection optical system is composed of a laser interferometer, a compensation lens group, ato-be-detected convex parabolic mirror and a spherical mirror. A sphere centre of the spherical mirror is located on a rear focus of the detected convex parabolic mirror. Divergent light emitted by the laser interferometer is incident from a central hole of the detected convex parabolic mirror and is incident on the spherical mirror through refraction of the compensation lens group. Light reflected by the spherical mirror is incident on the spherical mirror again along a normal direction through reflection of the detected convex parabolic mirror and returns to the laser interferometer according to an original path through self-collimating reflection. The system has the advantages that high precision detection of the ultra large diameter convex parabolic mirrors with diameters of 600mm orabove can be realized, detection precision is ensured, and the diameter of an auxiliary spherical surface and length of the system can be reduced.

The invention discloses an optical system for inspecting a super-large-aperture concave aspheric reflector. The inspection optical system is composed of a laser interferometer and an auto-collimationcorrection lens group. The auto-collimation correction lens group is located in front of the conjugate rear point of the concave aspheric reflector to be detected. Light emitted by the laser interferometer is refracted and imaged at a conjugate rear point of the concave aspheric reflector to be detected through the auto-collimation correction lens. And the light reflected by the reflector to be detected is imaged at the conjugate front point of the concave aspheric surface to be detected. Reflected light is refracted by the auto-collimation correction lens group, is auto-collimated and reflected on the surface far away from the concave aspheric reflector to be detected, and returns to the interferometer according to the original path. The optical system has the advantages that the opticalsystem can achieve high-precision inspection of the concave aspheric reflector with the ultra-large aperture and the ultra-large relative aperture. Meanwhile, the optical path length of the optical system is short, the caliber of the auto-collimation correction lens group is small, and machining, assembling and adjusting are convenient.

The invention discloses a particle sorting device. The particle sorting device comprises a stander, a stock bin and a conveying mechanism, wherein the stock bin and the conveying mechanism are respectively installed on the stander, the stock bin is provided with a feeding opening and a discharging opening, the discharging opening is formed in the bottom of the stock bin, the stock bin is connected with a vibrating mechanism, the conveying mechanism is provided with a horizontal working surface, and the working surface is arranged below the discharging opening. Particles are stacked in the stock bin from the feeding opening and fall on the working surface of the conveying mechanism by virtue of the discharging opening, the particles are conveyed by the conveying mechanism to the position of an inspector to be inspected, by controlling the size of the discharging opening, after a given amount of particles drop, the particles can be stuck in the discharging opening, after the dropped particles are inspected, the stock bin is vibrated by virtue of the vibrating mechanism, the particles can drop again, the particles can be quantitatively conveyed to the position of the inspector, the working surface moves relative to the discharging opening, the particles are kept a scattering state on the working surface and are flatly scattered, so that the particles are convenient to inspect by the inspector; moreover, the particles can automatically fall and be dispersed, and the manual stacking and spreading is not needed, so that the inspection efficiency can be improved, and the inspection precision also can be guaranteed.

The invention provides a 3D curved glass cover plate profile tolerance inspection jig applied to the technical field of 3D curved glass, and further relates to a 3D curved glass cover plate profile tolerance inspection method, and according to the 3D curved glass cover plate profile tolerance inspection jig, a left-right movable supporting rod (2) is installed between every two adjacent jig supporting columns (1) in the transverse direction; and a middle supporting rod (3) is installed between every two adjacent jig supporting columns (1) in the longitudinal direction, a plurality of side edge sliding blocks (4) are movably sleeved on each left-right movable supporting rod (2) according to gaps, a middle sliding block (6) is sleeved on each middle sliding rod (5), a clamp (7) is installed on each middle sliding block (6), a measuring meter is installed on each clamp (7). According to the 3D curved glass cover plate profile tolerance inspection jig and the inspection method, the profile tolerance value can be quickly identified, the inspection precision and efficiency of the profile tolerance of the 3D curved glass cover plate are ensured, and unqualified products are prevented from being put into the market.

The invention relates to a crop grain static friction coefficient automatic detection test device and method, and the device comprises a test bench which comprises a pedestal and a test platform, and a tested material and tested crop grains are disposed on the test platform; the driving mechanism comprises a direct-current brushless motor and a speed reducer, the direct-current brushless motor is installed at the rear end of the base, and the speed reducer is connected with the direct-current brushless motor; the transmission mechanism comprises a synchronous belt transmission mechanism and an optical axis, the optical axis is installed at the front end of the base and connected with the speed reducer through the synchronous belt transmission mechanism, and the test platform is connected with the optical axis through a half-split type fixing shaft ring; the control device comprises a controller, a single-ring absolute value encoder, a correlation type laser sensor, a motor driver and a limiting mechanism, the single-ring absolute value encoder is installed at one end of the optical axis, the correlation type laser sensor is installed on the test platform, the motor driver is connected with the direct-current brushless motor, and the limiting mechanism is installed on the base and connected with the optical axis. The invention also provides an automatic detection test method of the device.

The invention relates to an intelligent finger blood examination device for laboratory medicine. Finger blood is drawn by adopting computer control, and the minimum amount of blood drawing can be automatically determined according to different examination items, so that excess blood drawing is avoided; the invention provides a new finger blood puncture method and a blood drawing method, and uses negative pressure to extract the finger blood, thereby avoiding the problem that patients are inconvenient to draw the finger blood on their own; when the intelligent finger blood examination device isin use, optical examination and test paper examination are sequentially performed after blood drawing, so that the amount of the used blood is reduced, and the examination accuracy can be guaranteed;the invention adopts an air pump to automatically control the puncture of fingers and blood drawing, thereby saving the cost; the device adopted by the invention is connected with a computer, and aninterface is a commonly used USB interface, so that the device is easy to switch over, wide in application, and can be used at home.