59 results about "Peephole" patented technology

The quantitative fish feed feeder is characterized in that a feed distributing assembly is arranged on a bottle opening of a storage tank and comprises a feed distributor and a protective shell, a circle of annular groove is formed in the middle of the feed distributor, a feed inlet is formed in a top plate of the annular groove, and a discharge outlet is formed in a bottom plate of the annular groove; a rotatable gram number ring is arranged on the distributor; the protective shell is rotatably arranged on the distributor in a sleeving mode, a plurality of partition bins are arranged on the inner side of the protective shell, the partition bins are equal in capacity, can rotate in the annular groove and respectively rotate to be independently opposite to the feeding port or the discharging port, and a peeping port is formed in the surface of the protective shell and used for displaying the reading number of the gram number ring. When the device is used, the protective shell is rotated to drive the partition bin to move between the feeding port and the discharging port, and feed is quantitatively subpackaged in the partition bin through the feeding port and then is rotated to the discharging port to be put; in the process, the reading is changed along with the rotation of the protective shell through the peephole, so that the statistical function is realized.

The invention provides a surrounding rock fracture monitoring method and device based on borehole peeping. The method comprises the following steps: acquiring depth image data of a rock stratum in a peephole at a loose circle distribution position in a roadway surrounding rock through a borehole peeping instrument; the drilling peeping instrument is integrated by a depth camera; according to the depth image data, obtaining visual point cloud data of a rock stratum in the peephole; based on the visual point cloud data, a trained target recognition model is adopted to recognize fractures of the rock stratum in the peephole, so that fracture point cloud information of the fractures in the rock stratum in the peephole is obtained; and analyzing the fracture point cloud information of the fracture to obtain target monitoring information of the fracture in the rock stratum in the peephole. According to the method, the drilling observation instrument is combined with the depth camera and the target identification model, automatic and rapid identification and analysis of the rock stratum fractures at the distribution positions of the loose circles in the surrounding rock of the roadway are achieved, monitoring of the rock stratum fractures is achieved, limitation of traditional human eye observation is eliminated, and powerful technical support is provided for safe production and efficient mining of a coal mine.

1. Name of the product in this design: Desktop Charger (BP-4). 2. Purpose of this design: To charge a video peephole. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses a portable filter pressure relief observer which comprises a sight glass, and a one-way valve is arranged at an outlet of the sight glass to prevent oil from flowing backwards. A portable emptying valve is arranged at the bottom of the sight glass, so that timely emptying after pressure relief of the filter is facilitated, and next observation is not affected. The problems that an existing sight glass is not tight in sealing, glass is fragile, oil flows backwards and maintenance is difficult are solved, and the process safety and the convenience of equipment maintenance are improved.

The invention provides a coal face roof caving disaster prevention and control method and system, and the method comprises the steps: obtaining the geological information of each rock stratum corresponding to a stope face open-off cut through the punching of a peephole; based on the geological information, a plurality of pressure relief drill holes are formed in the corresponding coal pillar side close to the open-off cut, and the hard rock stratum of the top plate is presplit through pressure relief treatment, so that the top plate at the open-off cut is converted into a cantilever structure from a beam-shaped structure; monitoring equipment is arranged, and a plurality of buffer cushion layers are arranged on a bottom plate of the goaf; and judging whether to adjust the buffer cushion layer or not by combining the impact data, collected by the monitoring equipment, of the roof during collapse, the first collapse step pitch of the roof under the cantilever structure and the related parameters of the open-off cut. According to the method, the initial caving step pitch of the roof can be reduced, huge dynamic pressure generated during roof caving can be relieved, roof caving disasters are comprehensively prevented and controlled from multiple angles, and the prevention and control effect on the roof caving disasters is improved.

The utility model discloses an unattended monitoring device for mixed bed resin, which comprises a visual sensor, a micro sensor, a wireless signal transceiving processing module and a monitoring center, and the mixed bed comprises a first high-speed mixed bed and a second high-speed mixed bed, visual sensors are arranged on observation windows of the first high-speed mixed bed and the second high-speed mixed bed, wireless signal transceiving processing modules are arranged on the side walls, micro sensors are arranged on the bottom walls, and the visual sensors and the micro sensors are connected to the wireless signal transceiving processing modules through connecting wires. The wireless signal transceiving processing module comprises a wireless module and a signal processing module, and data collected by the visual sensor and the micro sensor are processed by the signal processing module and then transmitted to the monitoring center server through the wireless module. According to the utility model, a manual monitoring peephole is optimized into a visual and intelligent monitoring system, manual judgment on whether the resin bed fails and is put into operation is optimized into full-automatic intelligent identification judgment, and manual regeneration of failed resin is optimized into full-automatic intelligent regeneration.

The invention discloses a flash furnace nozzle high-temperature monitoring device, and relates to the field of flash furnace nozzle high-temperature monitoring, the flash furnace nozzle high-temperature monitoring device comprises a monitoring assembly, the monitoring assembly comprises a shell, a camera is installed in the shell, the tail end of the camera is fixedly connected through a connecting piece, the connecting piece is a pipe fitting, and the connecting piece is connected with the shell. A wire used for guiding connection of the camera is electrically connected with a circuit board installed at the tail end of the shell. The special high-temperature-resistant alloy material is adopted as the camera probe protection cylinder, so that the camera probe protection cylinder has good corrosion resistance and high-temperature resistance, and can resist the high temperature of 1600 DEG C under the condition that a cooling medium meets operation conditions. As the camera probe protection cylinder adopts a pinhole imaging technology, and a peep hole at the front end of the camera probe protection cylinder is designed to be 6mm, dust is difficult to enter the camera probe protection cylinder, and the camera probe protection cylinder has good positive pressure resistance and thermal radiation resistance. Therefore, the maintenance workload of the system is greatly reduced. In addition, a water-cooling type or air-cooling type camera probe protection cylinder can be selected according to the condition of a cooling medium of a user.

The present invention discloses a smart lock peephole lever structure and a smart lock. The smart lock includes a face shell, a face cover disposed on the face shell, and a rotating shaft disposed within the face shell. The smart lock peephole lever structure includes a peephole block, a peephole cam, and a return spring. The peephole block is rotatably disposed on the face cover. The upper end of the peephole cam is clamped within the face shell and can move up and down relative to the face shell under the drive of the peephole block. The return spring is sleeved on the peephole cam. The rotating shaft is provided with a groove corresponding to the peephole cam. The bottom of the peephole block contacts the top of the peephole cam. Compared with the prior art, the present invention is simpler and more convenient to assemble. When the peephole block is rotated, the force is balanced, the sliding is smooth, and the hand feel is good.

The invention belongs to the technical field of gas compressors, and provides a surge early warning system, a surge early warning method and an engine, the surge early warning system comprises a gas compressor, a blanking cap, a probe, a processing module and an alarm module; wherein a plurality of peepholes are formed in the surface of the gas compressor, and the plurality of blanking caps are mounted in the corresponding peepholes; part of the blanking cap is connected with the probe, and one end, far away from the blanking cap, of the probe is connected with the processing module; and the alarm module is connected with the processing module. A traditional engine blanking cap is improved, so that part of the blanking cap can be directly connected with a probe, the blanking cap becomes a switching structure for installing the probe, and early warning signal detection can be completed through simple blanking cap modification for a shaped engine model; the first blanking cap can be installed on the surface of a circumferential casing of a stator blade of a multi-stage gas compressor, when the gas compressor works, the probe connected with the first blanking cap can monitor all stages of enhanced gas flow in the gas compressor in real time, and therefore data support is provided for surge early warning.

The utility model discloses a reduction furnace sight glass flow guide ring, which relates to the technical field of sight glass flow guide rings, and comprises a reduction furnace sight glass flow guide ring body and a reduction furnace sight hole body, the reduction furnace sight glass flow guide ring body is divided into a flow guide ring outer ring and a flow guide ring inner ring, the flow guide ring outer ring is arranged on the outer side of the flow guide ring inner ring, and the flow guide ring outer ring is arranged on the outer side of the flow guide ring inner ring. According to the flow guide ring for the sight glass of the reduction furnace, purging hydrogen and a mixer in the reduction furnace are subjected to collision reverse blowing isolation at the necking-down position of the inner ring of the flow guide ring, and mixed gas (such as chlorosilane, hydrogen and hydrogen chloride in the CVD reduction furnace) on the outer side of the inner ring of the flow guide ring is purged; then the sight glass is used for purging hydrogen to reversely blow the mixed gas into the reduction furnace, and finally, as the mixed gas cannot be in direct contact with the sight glass, silicone oil can be prevented from being generated on a quartz lens of the sight glass, and the quartz lens of the sight glass is ensured to be clean and clear.

The present application provides a method and system for preventing and controlling roof caving disasters in coal mining faces. The method includes: obtaining geological information of each rock stratum corresponding to the cut-through of the coal mining face by drilling peepholes; based on the geological information, drilling a plurality of pressure relief holes on the side of the coal pillar corresponding to the cut-through, and pre-cracking the hard roof rock stratum through pressure relief treatment to convert the roof at the cut-through from a beam structure to a cantilever structure; setting monitoring equipment and arranging multiple groups of buffer cushions on the floor of the goaf; combining the impact data collected by the monitoring equipment during roof caving, the initial caving step distance of the roof under the cantilever structure and the relevant parameters of the cut-through to determine whether to adjust the buffer cushions. This method can reduce the initial caving step distance of the roof and relieve the huge dynamic pressure generated during roof caving, comprehensively prevent and control roof caving disasters from multiple angles, and improve the prevention and control effect of roof caving disasters.

The invention discloses a mechanical drilling speed prediction method based on CPLNet. The method comprises the steps that drilling parameters are collected and preprocessed; the drilling parameters comprise bit pressure, rotating speed, torque, well depth, natural gamma, resistivity, pumping pressure, displacement, rock density and drilling fluid density; extracting spatial features and time features of the preprocessed drilling parameters; performing channel dimension splicing on the spatial features and the time features to obtain combined features; performing fusion weighting on the combined features to obtain fusion features; and the mechanical drilling speed is predicted through a full-connection network based on the fusion features, and a drilling speed prediction value is obtained. According to the method, Peephole-LSTM and CBAM attention mechanisms are combined, feature association and long memory are captured, long-term dependence is overcome, and the drilling speed is accurately predicted.

The utility model discloses a monitoring device and a door, and relates to the technical field of monitoring. The monitoring device comprises a monitor, a cover plate A and a cover plate B. The cover plate A and the cover plate B are parallel to each other and are coaxially arranged, and the monitor is installed on the side wall, away from the cover plate A, of the cover plate B; the inner threaded sleeve column is integrally arranged at the center of the side wall, close to the cover plate A, of the cover plate B and extends towards the cover plate A. According to the monitoring device and the door, through the matched design of the cover plate A, the cover plate B, the internal thread sleeve column, the external thread rod and the rotary knob, the monitor can be installed in the positioning installation groove and the cat eye hole in the door body, installation can be completed through the cat eye hole in a traditional door, installation is simple and efficient, disassembly and assembly need to be completed on the indoor door side, and safety and reliability are achieved; compared with a monitoring device integrated in the intelligent door lock, the intelligent door lock monitoring device has the advantages that the size of the intelligent door lock monitoring device allows longer endurance and use of a higher-definition camera assembly.

The present invention relates to a method, system, electronic device, and storage medium for predicting the remaining life of a generator, comprising: obtaining historical data of a generator device; identifying the operating condition of the generator device at each moment using a preset operating condition identification method based on the historical data; preprocessing the operating condition at each moment to obtain a data sample set; training the data in the data sample set using an improved CNN module and an improved LSTM module to obtain a hybrid fault prediction model; the improved CNN module is an attention-based CNN module, and the improved LSTM module is an LSTM module with a peephole and an update gate; and predicting the remaining life of the generator based on the hybrid fault preset model. The present invention overcomes the problems of existing prediction methods, such as insensitivity to fault characteristics, multiple parameters, and slow training speed, by effectively extracting multi-parameter features. Furthermore, the multi-feature data can be used to accurately predict equipment faults, reducing long-term downtime costs, optimizing maintenance cycles, and improving early fault detection.

The utility model relates to the technical field of stoving varnish processing, and particularly discloses a furniture board surface treatment device for stoving varnish processing, which comprises an isolation mechanism, and a board surface polishing mechanism, a feeding mechanism and a dust falling mechanism are respectively arranged in the isolation mechanism; the feeding mechanism and the dust falling mechanism are arranged on the two sides of the plate surface grinding mechanism correspondingly. By means of the isolation room structure, the surrounding environment can be protected when surface treatment is carried out on a plate, a door plate structure of the isolation room can facilitate normal access of workers, the plate can be placed on a feeding table, and a peephole is matched with a glass plate, so that the situation that dust overflows can be avoided while internal plate machining and equipment operation can be observed, and the working efficiency is improved. And a power source of a second motor is switched on, the second motor can drive a threaded rod to rotate through a second rotating shaft, while the threaded rod rotates, a threaded sleeve moves, a limiting rod slides in a limiting hole, the threaded sleeve can drive a material pushing plate to horizontally move, and therefore the plate can be stably pushed.

Assemblies, sensors, methods of attachment, communication networks, and operational processes of a door-mounted camera apparatus with two integrated camera modules, for use with a door's peephole viewer. Some embodiments include a door bracket for attaching the camera apparatus to the door using removable adhesive or embedded magnets. Embodiments may include a movable mirror assembly which may be operated by a hand or by electrically powered mechanical actuator. Some embodiments include a peephole viewer apparatus with integrated sensors. Embodiments can include a digital display for viewing the camera's video output. Some embodiments can include a wired or wireless external sensor module which may detect whether a person is present in front of the door.

The utility model relates to the field of fingerprint locks, in particular to a handle type fingerprint lock which comprises an intelligent lock body, a visual cat eye, a handle, a fingerprint unlocking touch area, an external charging port, a pressing plate, a large-capacity battery and a detachable fixing plate. The handle is installed in the middle of the front side of the intelligent lock body, the fingerprint unlocking touch area is arranged on the front side of the handle, the external charging port is formed in the lower right end of the front side of the intelligent lock body, and the problem that the intelligent lock cannot be unlocked when losing power can be solved by installing the external charging port; and the pressing plate is installed at the lower end of the front side of the intelligent lock body, the large-capacity battery is installed on the inner side of the intelligent lock body, the cruising ability of the intelligent lock can be guaranteed by installing the large-capacity battery, and the detachable fixing plate is installed on the rear side of the large-capacity battery.

The utility model discloses an anti-theft wooden door with an alarm function, which comprises a door frame, and a wooden door body is movably mounted in the door frame through hinges. A door lock is mounted on one side of the wooden door body; an observation hole is formed in the wooden door body; a cat eye is detachably mounted in the observation hole; an anti-peeping alarm device is arranged on one side of the cat eye in the observation hole; the anti-peeping cat eye effectively prevents lawbreakers from peeping indoor conditions through the cat eye, once someone tries to peep, the alarm immediately rings, the lawbreakers can be frightened, indoor people can be reminded in time, and the safety of families or places is improved; the wooden door body is of a multi-layer structural design, materials of all layers are matched with one another, the sound insulation performance, the heat preservation performance and the like of the door are enhanced, the overall strength and stability of the door are improved, the door is more durable, the service life of the door is prolonged, and the frequency and cost for replacing the door are reduced; the device is simple in structure, convenient to operate and worthy of popularization.

The invention relates to the technical field of vacuum furnace design, in particular to a vacuum furnace observation hole lens online replacement device and a vacuum furnace. The invention provides a vacuum furnace observation hole lens on-line replacing device which comprises a lens mounting part, a vacuum cutting-off part and a peephole connecting part, one side of the peephole connecting part is connected with a peephole of a vacuum furnace, and the other opposite side of the peephole connecting part is connected with the lens mounting part through the vacuum cutting-off part. The lens mounting part is provided with a first closed space, the peephole connecting part is provided with a second closed space, the second closed space is communicated with the interior of the vacuum furnace, and the vacuum cut-off part is used for isolating or communicating the first closed space and the second closed space. According to the technical scheme, the observation hole lens can be replaced in the vacuum smelting state, unnecessary shutdown is avoided, continuous production of the vacuum induction smelting furnace is guaranteed, and the production efficiency and the equipment utilization rate are remarkably improved.

To achieve downsizing.SOLUTION: In a door mirror device, a first light guide 48 and a second light guide 50 are arranged in a vertical direction. Therefore, it is possible to reduce arrangement dimensions of the first light guide 48 and the second light guide 50 in a vehicle front-rear direction. In addition, a first LED and a second LED are respectively disposed at inner sides in a vehicle width direction of the first light guide 48 and the second light guide 50. Therefore, it is possible to shorten wiring distances to the first LED and the second LED from the inner sides in the vehicle width direction. Thus, the size of the door mirror device can be reduced.SELECTED DRAWING: Figure 5

The utility model belongs to the technical field of tuyere peepholes, and particularly discloses a mechanism for inhibiting carbon deposition of a tuyere peephole of a hydrogen-carbon-rich blast furnace, which comprises a connecting pipe, a valve seat arranged on the connecting pipe, threads arranged at one end of the connecting pipe, a nut in threaded connection with the connecting pipe, and a lantern ring arranged on the inner side of the nut. A glass peeping sheet is placed between the connecting pipe and the lantern ring, a vertical pipe is communicated with the connecting pipe between the nut and the valve seat, a nitrogen pipe is communicated with the vertical pipe, and a valve is arranged on the nitrogen pipe. The problem that the labor intensity of a water watching worker is increased due to the fact that carbon powder blocks a tuyere peephole is solved. According to the utility model, generated carbon deposits are blown into the blast furnace through nitrogen purging, and the carbon deposits are prevented from blocking the peephole, so that the phenomenon that the peephole of the tuyere is frequently blocked by the carbon deposits of the peephole of the tuyere is avoided, and the labor intensity of the peephole of the tuyere is greatly reduced; meanwhile, gas leakage is reduced, so that the risk of gas poisoning caused by inspecting the hydraulic tuyere is reduced.

The invention provides an amblyopia side center watching visual side correcting device, and belongs to the field of medical instrument manufacturing. The device comprises a base, an ophthalmoscope, a camera, a display screen, a forehead support bracket and an adjusting mechanism, the camera is electrically connected with the display screen; the forehead support bracket and the display screen are both mounted on the base; the ophthalmoscope is installed on the base through the adjusting mechanism and located between the forehead support and the display screen. The ophthalmoscope is provided with a peephole, and the camera is fixed on the peephole; the adjusting mechanism comprises a front-back adjusting device, an up-down adjusting device, a left-right adjusting device and a rotating device which are connected in sequence; the ophthalmoscope is fixed to the rotating device, and the front-back adjusting device is installed on the base. The eyes of the human body are relatively fixed through the forehead support bracket, and meanwhile, the position of the ophthalmoscope is moved through the adjusting mechanism, so that the eye ground condition can be accurately and stably shot through the camera, the shot image is presented on the display screen, and observation and inspection by an operator are greatly facilitated.

The invention discloses a peephole plug, an air cylinder plugging structure and a using method thereof, and belongs to the technical field of structural design of gas turbines. The structure comprises a cylinder, a blade ring, a guide pipe, an outer plug, an inner plug, an upper magnet and a lower magnet, the guide pipe is arranged outside a peephole in the outer wall of the cylinder, and the height of the guide pipe is larger than the thickness of a thermal insulation layer. The blade ring is provided with a taper hole and a through hole, the spherical surface of the inner plug makes contact with the taper hole, the cylindrical boss is matched with the through hole, an upper magnet and a lower magnet are embedded in the outer plug and the inner plug respectively, the magnetic poles of the upper magnet and the lower magnet are the same, and homopolar repulsive force is utilized to enable the inner plug to press the blade ring to achieve sealing. During maintenance, the heat preservation layer does not need to be dismantled, the outer plug is lifted through threads, the inner plug is taken out through magnetic adsorption, and convenience is remarkably improved. The problems of thermal stress seizure, tedious disassembly and assembly of a heat preservation layer and the like of traditional rigid plugging are solved, reliable sealing and convenient overhauling under high temperature and high pressure are achieved, the overhauling efficiency is greatly improved, the maintenance cost is reduced, and the sealing device is suitable for sealing the peephole of the double-layer cylinder structure of the gas turbine.

1. The name of this design product: Compound Bow Peephole (WTS‑KK‑01). 2. Purpose of the product with this design: The product with this design is used for a compound bow. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

To provide a door scope equipped with a blade opening / closing device.SOLUTION: A blade opening / closing device 50 is fitted in a door scope having a housing, a first hole provided in a first surface of the housing, and a second hole provided in a second surface of the housing opposite the first surface. The blade opening / closing device 50 includes blades 52 and an actuator 51 that positions the blades at a first position where the blades block a gap between the first hole and the second hole, or at a second position where the blades do not block the gap between the first hole and the second hole.SELECTED DRAWING: Figure 6

The invention discloses a water-rich soft overlying strata ultrasonic cracking pressure relief method based on in-hole argillization degrees, which mainly comprises the following steps of: before cracking, drilling a peephole with the depth equal to that of a cracking hole at an implementation site, then cleaning and peeping the peephole in sections, calculating the in-hole argillization degrees of each section of the peephole, and calculating the in-hole argillization degree of each section of the peephole according to the in-hole argillization degree of each section of the peephole; taking the result as the in-hole argillization degree of each section of all the cracking holes in the implementation site, designing ultrasonic parameters of each section of the cracking holes according to the in-hole argillization degree of each section of the cracking holes, and then performing ultrasonic cracking on the water-rich soft overlying strata by utilizing ultrasonic waves with periodic cycle characteristics; and an evaluation index for the ultrasonic cracking effect of the water-rich soft overlying strata is established, so that effective guidance is provided for field application of a subsequent ultrasonic cracking pressure relief technology. According to the method, the influence of the argillization effect in the drill hole on the ultrasonic cracking pressure relief effect under the actual engineering condition is considered, and a basis is provided for safe cracking in the hole under the water-rich soft overlying strata condition.

The utility model relates to smelting equipment technical field, the utility model provides a kind of visual oxygen lance for blast furnace blow-in, it includes: oxygen lance shell, the middle part of oxygen lance shell is equipped with flow channel, the bottom end of oxygen lance shell is fixedly connected with the oxygen transmission pipe and compressed air transmission pipe communicated with flow channel;Feedback board, the middle part of feedback board is embedded with feedback lens, the edge of the side of feedback board close to oxygen lance shell is fixedly connected with multiple lock rods, the end of oxygen lance shell close to feedback board is equipped with quick-mounting assembly, quick-mounting assembly is used for cooperating lock rod positioning feedback board;Protective assembly, protective assembly is assembled in the side of feedback board away from lock rod. Through the above technical scheme, the technical problem that the peephole mirror is lacking in effective protective measures in the unused state in the prior art, when contacting with the peephole mirror outside, the peephole mirror is easily scratched, and is easily attached by dust, affects the clarity of peephole mirror is solved.

The present invention discloses a visual inspection device with a defect position calibration function, which relates to the field of visual inspection technology and includes: a machine body, a storage cavity, a detection device, a supporting device and a calibration device, wherein the detection device is used for visual inspection, the supporting device is used to support the machine body in a pipeline, the calibration device is arranged on the outer wall of the pipeline, and the calibration device is used to calibrate the defect position; the detection device performs defect detection on the inner wall of the pipeline, thereby avoiding the staff from manually detecting the inner wall of the pipeline through a peephole, thereby improving the detection efficiency; the movement of the calibration device drives the detection device to move along the central axis of the pipeline, thereby realizing the detection of the inner wall of the pipeline during the movement, thereby improving the efficiency of pipeline detection; when the inner wall of the pipeline is defective, the calibration device performs calibration on the outer wall of the pipeline corresponding to the defective position inside the pipeline, thereby facilitating the staff to quickly locate the defective position, thereby saving maintenance time.

A dugout is provided in the form of a rapid-deployment earth shelter 1 having a protective roof 2 against plunging fire. The protective roof 2 is formed using a tree root system 16. Clay soil is cut out from beneath the tree root system 16 such as to form an individual casemate 3 for providing temporary shelter to a soldier. The casemate 3 has a vertical manhole 4. The chamber of the manhole 4 connects to the chamber of the casemate 3 in such a way that a seat / step 9 is formed in the bottom part of the manhole 4 at the entrance to the chamber of the casemate 3. The upper edge of the manhole 4 is level with the ground and is provided with a camouflage cover 5. The camouflage cover 5 is designed so that detachable parts thereof can be used to form a slidable peephole / vent 8 through which air can enter and portable observation and warning equipment 17 can be extended. The dugout provides more reliable protection against detection and plunging fire.