553results about How to "Guaranteed collection" patented technology

The invention disclosed herein provides an apparatus and method for securely collecting, storing, and disposing of documents by attaching a reusable, secure, lockable closure to a cardboard receptacle box. The lockable closure has a slot in the top to allow documents to be deposited in the box. Two opposing side surfaces of the lockable closure have an interior lip that engages the box flap in such a way as to prevent the unwanted removal of the closure. The closure can be secured to the box with a locking seal such as a cable tie through locking holes located on the top surface and two opposing sides of the lockable closure as well as the box flaps and box sides. A hole allows removal of the lockable closure by exerting pressure on the flap. The disclosed method provides the steps of providing a single lockable closure, a plurality of receptacle boxes, and a number of locking seals capable of fitting through the holes. The single, reusable, locking closure is placed on a receptacle box, which is sealed, documents are placed into the box through the slot. When the box is full, the locking seals are removed and the box is closed secured with its internal flaps and shipped for destruction or recycling. The same lockable closure is then placed on a different box bottom to repeat the process.

The invention disclosed herein provides an apparatus and method for securely collecting, storing, and disposing of documents by attaching a reusable, secure, lockable closure to a cardboard receptacle box. The lockable closure has a slot in the top to allow documents to be deposited in the box. Two opposing side surfaces of the lockable closure have an interior lip that engages the box flap in such a way as to prevent the unwanted removal of the closure. The closure can be secured to the box with a locking seal such as a cable tie through locking holes located on the top surface and two opposing sides of the lockable closure as well as the box flaps and box sides. A hole allows removal of the lockable closure by exerting pressure on the flap. The disclosed method provides the steps of providing a single lockable closure, a plurality of receptacle boxes, and a number of locking seals capable of fitting through the holes. The single, reusable, locking closure is placed on a receptacle box, which is sealed, documents are placed into the box through the slot. When the box is full, the locking seals are removed and the box is closed secured with its internal flaps and shipped for destruction or recycling. The same lockable closure is then placed on a different box bottom to repeat the process.

The invention provides an automobile crossbeam assembly hole visual on-line measurement system and a method thereof. The system comprises a main control platform, a servo motor, a servo motor encoder, a slide platform, a slide block, a horizontal slide rail, a fixed high and low frame, a camera and a measured crossbeam. A host is arranged on the main control platform. A motion control card and an image acquisition card are respectively inserted in PCI insertion slots of the host. The host is connected with the servo motor through the motion control card. The servo motor encoder is coaxially connected with the servo motor. The servo motor is fixed on the slide platform. The slide platform is matched and connected with the horizontal slide rail through the slide block. The horizontal slide rail is arranged on the high side of the fixed high and low frame. The host is connected with the camera through the image acquisition card. The camera is arranged on the slide platform through a Z type height adjustable bracket. The measured crossbeam is arranged on the low side of the fixed high and low frame. According to the invention, non-contact and full-automatic high speed on-line measurement is carried out on the hole diameter and the hole site size of an automobile crossbeam assembly hole; and the system and the method are especially suitable for the measurement of the crossbeam with nonuniform assembly hole distribution and without assembly holes in certain areas.

The embodiment of the invention provides a display panel and a display device, relates to the technical field of display, and can solve the problem that an optical sensor cannot perform sensing due tolow light transmittance at the position, corresponding to the optical sensor, in the display panel. In the display panel, a pixel region comprises a first pixel group and a second pixel group which are continuous in the row direction and the column direction and are periodically arranged; each of the first pixel group and the second pixel group comprises at least two sub-pixels which are continuously arranged in the row direction and have different colors; a light-transmitting area comprises third pixel groups which are arranged at intervals in the row direction and the column direction; eachof the third pixel groups comprises at least three sub-pixels which are arranged in the row direction and have different colors; the difference value between the row number of any sub-pixel in the third pixel group and the row number of any sub-pixel in the pixel region, which is located in the same column as the sub-pixel and has the same color as the sub-pixel, is an integral multiple of M, wherein M is the difference value of the row numbers of every two adjacent sub-pixels of the color in the pixel area in the column direction.

The invention discloses a multi-station top-suction type exhaust and dust processing device with a function of automatic station conversion, which comprises a rail arranged on a support of a workshop, and a traveling crane driven by a power mechanism to travel on the rail. A plurality of top-suction type dust hoods corresponding to pollution sources are arranged on the traveling crane, the upper end of each dust hood is communicated with a venting pipe and a controlling valve, the lower end of each dust hood is provided with an exhaust inlet hole, the venting pipe of each dust hood is parallelly connected onto a main air pipe, the main air pipe is communicated with a bag filter system arranged outside the workshop, a photoelectric switch is arranged on the edge of an opening at the lower end of each dust hood, a limit switch which determines the stopping position of the traveling crane is arranged on the rail, and the limit switch, the photoelectric switches, a power mechanism, the controlling valve and a bag filter are all connected with a PLC (programmable logic controller) via cables. The multi-station top-suction type exhaust and dust processing device with the function of automatic station conversion solves the problem that amorphous dust in the workshop with serious dust pollution is difficult to gather and the like, is capable of running stably over a long period of time with enhanced processing effect.

The invention belongs to the field of laboratory instrument equipment, and discloses a device for collecting greenhouse gases released by lake and reservoir water bodies and an analysis method of release rate. The device comprises an overwater gas collecting system and a gas sample collecting system, wherein the overwater gas collecting system is composed of a PVC (Polyvinyl Chloride) and a buoy; the PVC barrel is inverted in the buoy, and the barrel port of the PVC barrel is coincided with the lower edge of the buoy; the gas collecting system comprises a gas collecting pipe, a tee valve, a gas sucking plastic needle cylinder and an aluminum foil vacuum bag; one end of the gas collecting pipe is communicated with the top of the PVC barrel; and the other end of the gas collecting pipe, the gas sucking plastic needle cylinder and the aluminum foil vacuum bag are respectively communicated with a valve I, a valve II and a valve III of the tee valve. By adopting the device disclosed by the invention, the problem that the greenhouse gases in the lake and reservoir are difficultly collected is solved; and the device is simple and convenient in structure, easy to operate and is high in experiment precision.

The invention discloses remote monitoring equipment for a signal acquisition instrument based on the Internet-of-things. The device comprises an adjusting device for a camera, the adjusting device comprises a biological accommodating groove; a first cross beam and a second cross beam are transversely arranged above the biological accommodating tank; two movable cross rods are arranged on the firstcross beam and the second cross beam; a connecting base is further arranged between the two movable transverse rods, a lifting assembly is connected to one side of the connecting base, a lifting aircylinder is installed on the connecting base, the bottom end of an output rod of the lifting air cylinder is connected with the lifting assembly, an adjusting arm is installed at the bottom of the lifting assembly, a third motor is installed at the bottom of the adjusting arm, and a camera is installed at the output shaft end of the third motor; according to the remote monitoring equipment, the overall height of the lifting assembly and the height of the second longitudinal rod can be adjusted, the angle of the camera can be flexibly adjusted, monitoring can be conducted at different angles from all positions, and therefore it is guaranteed that no dead angle exists in the monitoring range.

An embodiment of the invention discloses a banknote processing device and processing method. The device comprises a banknote box internally provided with a banknote storage chamber; a banknote transport channel arranged in the top portion of the inner side of the banknote box and communicated with the banknote storage chamber and the outer side of the banknote box, wherein the banknote transport channel comprises a first channel port arranged in the top portion of the banknote box and opened towards the outer side of the banknote box, and a second channel port opened towards the banknote storage chamber; and a separation rotation shaft arranged at the second channel port, wherein the separation rotation shaft is fixedly provided with a first flexible claw wheel assembly used for flapping banknotes falling into the banknote storage chamber, and is rotatably and fixedly provided with a second flexible claw wheel assembly which is connected to the first flexible claw wheel assembly through a torsion spring sleeved on the separation rotation shaft and rotates for a predetermined angle lagging behind the first flexible claw wheel assembly so as to lead out the banknotes in the second channel port. The banknote processing device guarantees that the banknote transport channel has no residual banknote, the banknote collection can be carried out normally all the time, one-side dog ear or untidy stacking of the banknotes can be prevented, and furthermore, normal collection of the banknote is guaranteed.

The invention discloses a home service robot which comprises a body, a head, upper limbs and a bottom disc. The head is rotationally arranged on the body and comprises a visual sensor used for acquiring external environment information. The upper limbs comprise two upper limb frameworks which are located on the two sides of the body and can be bent. The bottom disc can move horizontally and rotate. The body can be bent. The visual sensor transmits the information to a control system. The control system controls the body, the head, the upper limbs and the bottom disc to move. The home service robot acquires the external environment information through the visual sensor, through processing of the control system, the bottom disc is driven to move forwards, backwards, leftwards and rightwards and rotate, the body can be driven to be bent, the upper limbs can be driven to move, and various human-imitating actions of the robot can be achieved; and in the target tracking processing process, the robot can track a target, the robot is suitable for home services and other service occasions, and the robot can particularly conduct human-imitating accompanying and care work for an old person living alone or a patient.

The invention relates to a greenhouse gas collection system and a greenhouse gas emission analysis method. A collection device comprises an overwater gas collection device and a gas storage device connected with the overwater gas collection device. The overwater gas collection device comprises a gas collection tank, a gas collection fan, a gas collection pipe, a battery box, a handle and a foaming plate. The gas storage device comprises a gas collection bag and a three-way valve. By utilizing the greenhouse gas device, gas samples are collected at the nearshore positions of the two shore sides of a river and water-gas interfaces of a channel, a fish pond, a reservoir and the like, the collected samples are taken back to a laboratory, and the concentration of greenhouse gases of CO2, CH4 and N2O3 in the gas samples is measured. The collection device is simple and reasonable in structural design, low in cost and easy and convenient to operate and use, has the good stability and sealing performance. The analysis method is simple in operation steps, convenient to implement, small in experiment error, high in accuracy, and capable of effectively solving the problem that river greenhouse gases are difficult to collect.

Belonging to the technical field of sampling equipment, the invention specifically discloses an automatic soil sampler, which includes a running frame and a traction connection piece at the front end of the running frame. The running frame is provided with a soil sampler and a soil sampling funnel matching with the soil sampler. The soil sampling funnel is provided with a crank link mechanism, a conveying chain wheel equipped conveying chain is disposed below the soil sampling funnel, and the conveying chain is provided with soil collecting barrels. A soil sampling shovel is arranged below the soil sampler, and is equipped with a soil push rod. The automatic soil sampler provided by the invention has the advantages of reasonable structure, accurate sampling and high degree of automation.

The invention provides a solar cell sheet and a solar cell. A grid line electrode is arranged on the solar cell sheet, and the grid line electrode comprises a plurality of auxiliary lines and a plurality of electrode contact points, wherein the tail ends of the auxiliary lines on the same side are connected with communicating grid lines in a two-two phase way; and the electrode contact points and the auxiliary grid lines are connected. In the solar cell sheet, because a plurality of electrode contact points are used to replace the traditional main grid line, the consumption of silver paste is greatly reduced, and the production cost is economized. Meanwhile, electrons are ensured to be still conducted and collected when a certain part of auxiliary grid lines are broken, the authenticity and the repeatability of test data are also ensured when an electric performance test is performed by using a probe rank, the electric connection between the grid line electrode and a connecting solder strip can be realized at low temperature by using the conducting adhesive tape bonding way, and the technological adaptability and the stability of the grid line electrode are improved.

The invention provides an efficient blue algae salvaging ship for improving salvaging and treatment efficiency of the blue algae salvaging ship. The efficient blue algae salvaging ship mainly comprises a ship body, a water decanter, a water pump, a filtration pipeline, a chemical feeding tank, an algae-mud dehydrating machine, a rear drainage pipe and a side drainage pipe. Algae-laden water on thesurface layer in a nose direction is collected into an algae water bin by the water decanter, is pressurized by virtue of the water pump, the pressurized algae-laden water enters the filtration pipeline to be dehydrated and then is conveyed into the chemical feeding tank and the algae-mud dehydrating machine, produced algae cake is loaded into an algae cake bin, tail water discharged by the filtration pipeline and the algae-mud dehydrating machine is discharged out from the stern direction by virtue of the rear drainage pipe and the side drainage pipe. The filtration pipeline is regularly back-washed by lifting the water decanter, switching a valve and utilizing the tail water of the algae-mud dehydrating machine. After blue algae salvaging is finished, water in the algae water bin, a pipeline bin and the chemical feeding tank is discharged outside the ship body by virtue of the water pump and a backwashing pipe, and the algae cake is transported to a shore to be treated. By implementing the efficient blue algae salvaging ship provided by the invention, a significant role is played for controlling blue algal bloom, water bloom and red tide, improving lake water quality, removing phosphorus and nitrogen in water and alleviating water eutrophication.

The invention discloses a gas and liquid multiphase quantitative measuring device and a method thereof, wherein the gas and liquid multiphase quantitative measuring device comprises a gas and liquid cyclone separating tank, a quantitative measuring gear pump, a steady flow settling tank, a liquid level transducer, a pressure transducer, a temperature transducer and the like. The method mainly utilizes the cyclone separating tank to perform the primary gas and liquid separation to well mouth oil firstly, and then the oil enters the steady flow setting tank for performing the secondary gas and liquid separation and steady flow setting. The upper liquid level and the lower liquid level are controlled by utilizing the liquid level transducer while oil and water mixture is stabilized, the external-conveying measurement starts to work and reaches the set liquid level when the liquid level reaches the set high liquid level, and the measurement is finished. The purpose of measurement is achieved by repeating the operations. Because the liquid transducer, the pressure transducer, the temperature transducer and the quantitative measuring gear pump are controlled by a touch screen control system, the invention can realize the on-line monitoring for the working time of the quantitative measuring gear pump, can obtain the liquid yield according to the rated liquid discharge calculation, and has high measurement accuracy, strong operability and low cost.

The invention relates to a method and a device for detecting defect in a matrix. The detection method for defect in the matrix comprises the following steps: providing a detection light beam and a reference light beam; performing incidence of an incidence point of the detection light beam from a first surface of the matrix to reflection points corresponded to the incidence points one by one on a second surface along an optical detection path, taking collection of back scattering light generated by the detection light beam through each point of the optical detection path as a sample light beam corresponded to the point; respectively collecting the interference signals formed by mutually interfering each sample light beam and with the reference light beam to obtain light intensity information of the back scattering light of each point on the optical detection path, as well as the optical length information between points on the optical detection path; and then determining that whether the optical detection path exists the defects or not according to the light intensity information of the back scattering light of each point on the optical detection path. The detection method can correctly distinguish the defect types in the matrix, so that the correct rate for detecting the defect can be enhanced.

The invention provides a webpage data crawling method, and relates to the field of data crawling. The method is applied to a webpage data crawling system, the system comprises a control server and a plurality of crawler servers connected with the control server. The method comprises: when the control server receives first webpage data sent by the crawler servers, carrying out feature extraction onthe first webpage data, and obtaining a first text feature vector; inputting the first text feature vector into a pre-trained fingerprint generation model to obtain a first webpage fingerprint; calculating similarity values between the first webpage fingerprint and a stored webpage fingerprint in a preset storage database, and judging whether a similarity value greater than a preset threshold exists in the similarity values or not; and if not, storing the first webpage data into the preset storage database. The invention further provides a webpage data crawling device and system and a computer readable storage medium. According to the method, device and system and the computer readable storage medium, the repetition rate of the webpage data obtained on the basis of web crawler crawling can be reduced.

The invention discloses a closed-loop hot galvanizing production line and a control method. The closed-loop hot galvanizing production line comprises a preplating device (1), a galvanizing device (2),a postplating device (3), a travelling rail unit and an electronic control unit. The device (1) used before galvanizing comprises a degreasing pool (12), a water washing pool I (13), a zinc removal pool (14), an acid cleaning pool (15), a reduction pool (16), a water washing pool II (17), a spraying pool (18), an addition agent pool (19) and a drying chamber (110), wherein the degreasing pool (12), the water washing pool I (13), the zinc removal pool (14), the acid cleaning pool (15), the reduction pool (16), the water washing pool II (17), the spraying pool (18), the addition agent pool (19)and the drying chamber (110) are connected with the interior of a chamber (11) used before galvanizing in sequence. The postplating device (3) and the galvanizing device (2) are perpendicularly arranged. The travelling rail unit comprises a travelling rail device (4) and a travelling rail electronic control circuit, wherein the travelling rail device (4) is located above the preplating device (1), the galvanizing device (2) and the postplating device (3). By the adoption of the closed-loop hot galvanizing production line and the control method, the content of iron entering the hot galvanizingworking procedure can be effectively reduced, the waste of liquid zinc is reduced, the frequency of treatment of dangerous waste iron mud is reduced, the purpose that the surface quality of a galvanized part is better is achieved, and the production efficiency is improved.

In-situ continuous sampling device for water sample in wetland. The invention relates to a tool for acquiring a water sample, which aims to solve the problems that the conventional water sampler has large volume, easily disturbs a water body, cannot be suitable for a wetland water body growing intensive plants or a marsh wetland with surface shallow water, and the like. In the tool, a convex part at the lower end of a water pipe is inserted into an inner ring of a piston; the upper end of a piston carrier is inserted into the inner ring of the piston and is connected with the lower end of the water pipe; an opening is formed in the piston carrier; a piston assembly and a power adjustment spring are arranged in a hollow barrel water storage device; the outer ring of the piston of the piston assembly is attached to an inner wall at the upper end of the hollow barrel water storage device; the lower end of the hollow barrel water storage device is connected with a water inlet pipe; the upper end of the water pipe is connected with a water outlet pressing handle; a first sealing ring is arranged on an inner wall at the upper end of the water pipe; a water outlet sealing ball is arranged on the first sealing ring; a second sealing ring is arranged on an inner wall at the lower end of the hollow barrel water storage device; and a water inlet sealing ball is arranged on the second sealing ring. The tool is used for acquiring the water sample in the wetland.

The invention belongs to a curved surface paper flattening device for chain wheel motion of a printing machine. The curved surface paper flattening device consists of a vacuum pump, a fast-inserting joint, an air pipe, a pressure-equalizing box and an adjusting valve. A paper flattening device comprises an air suction flattening plate assembly, an air path device and an air blowing flattening device, wherein the air suction flattening plate assembly consists of an upper curved surface plate and a lower curved surface plane; the air path device is used for generating negative pressure to a negative pressure air suction field and consists of the vacuum pipe, the fast-inserting joint, the air pipe, the pressure-equalizing box, a steel wire glue pipe and the adjusting valve; and the air blowing flattening device consists of an air blowing pipe, an upper guide bar and a lower guide bar. With the adoption of the curved surface paper flattening device, the paper curved surface flattening is performed by virtue of chain wheel motion in a large-format mode, so that a charged coupled device (CCD) camera acquires stable and high-definition images; and in addition, the curved surface paper flattening device also has the advantages of reasonable structure design, simplicity in operation, convenience in mounting and debugging and good detection quality.

The invention provides a Modbus serial-port data processing method. A main thread parses a serial-port configuration file. A serial-port thread is used to be started according to commands of the mainthread, and enters event message cycles. A protocol thread is started, determines serial-port numbers according to serial-port configuration information, and stores Modbus commands, which are stored in a Modbus list of the serial-port thread, into a QModbusComList list of the protocol thread. A data thread is started, parses response information, detects, in real time, whether the QComDataList list stores data, and carries out processing when it is detected that the data exist. According to the method, multiple parallel serial ports are adopted on the basis of a Qt application program framework, a utilization rate on hardware is higher, resources consumed by a system are lesser, long-time collection, analysis and storage of an application program on Modbus data of the multiple serial portscan be guaranteed, and timely, highly efficient and accurate presentation of substation main-equipment status information to a user can be ensured.

The invention belongs to the field of machine manufacturing, and particularly relates to a coating device and a method for an evaporative pattern sample of a thin-wall shell piece. The coating device for the evaporative pattern sample of the thin-wall shell workpiece comprises a stirring mechanism (1), a spraying mechanism (2), a coating tank mechanism (3), an auxiliary mechanism (4) and a power controlling cabinet (5), wherein the stirring mechanism (1) is fixedly connected with the spraying mechanism (2); the spraying mechanism (2) is fixedly connected to the coating tank mechanism (3); the coating tank mechanism (3) is fixedly connected with the stirring mechanism (1); a foot table in the auxiliary mechanism (4) is placed beside the coating tank mechanism (3); and the dynamical power of each mechanism is independent. According to the invention, the method integrates spraying and curtain coating, the stirring mechanism, the spraying mechanism, the coating tank mechanism and the auxiliary mechanism are utilized for coating of a large-sized and complex-structured evaporative pattern sample of the thin-wall shell workpiece, so that the deformation or fracture of the sample is avoided during the coating process, the work intensity is reduced, and the normal operation is guaranteed.

The invention discloses an insulating lifting device which relates to an insulating lifting device applied to high-voltage (not larger than 750kV) electric checking detection. The insulating lifting device comprises a base, a truss structure and an insulation operating rod, wherein the periphery of the base is provided with a guardrail, and the bottom of the base is provided with a caster wheel; three base sleeves are welded on the surface of the base; three groups of telescopic rods of the truss structure are inserted into the base sleeves and fixed by utilizing locking screws; the insulation operating rod is fixed to the center of the truss structure by a shaft sleeve and a shaft sleeve nut; and the telescopic rods of the truss structure have a sleeve telescopic structure, and the upper sections and the lower sections of the telescopic rods are positioned and connected by spring pins. The invention is simple and convenient for construction and can move, stretch and contract, lighten the working intensity of an operator to a greater extent and prevent the accident of flashover of the insulating lifting device near high-voltage electric equipment due to unstable electroscope handholding and deflection of an insulating rod.

The invention discloses a high-flux collection system for phenotypic data of field crops. The system comprises a main structure member, a driving motor, a driving chain, wheels, a control box, a battery, a remote control receiver, a turning motor and a sensor module; the wheels include a width adjusting wheel, a fixed wheel and a directive wheel; the sensor module comprises a 3D laser scanner, a high-spectral camera, a high-resolution CCD camera and a thermal infrared camera; the width adjusting wheel, the fixed wheel and the directive wheel are mounted in the lower ends of three end points of the main structure member respectively; the driving motor is connected with the directive wheel via the driving chain; and the turning motor is mounted in the upper end of the directive wheel. The 3D laser scanner, the high-spectral camera, the high-resolution CCD camera and the thermal infrared camera are integrated, data of multiple sources can be obtained simultaneously, multi-source phenotypic, physiological and biochemical data of the crops can be obtained, the workload of workers is reduced greatly, high-precision high-efficiency phenotypic data collection of the crops is ensured, and the using effect is good.

The invention discloses an Internet of Things data tracing method based on a block chain, and the method comprises the steps: dividing roles of users in an Internet of Things data service system in tracing data collection, so as to facilitate the collection of tracing data through a PROV tracing model standard. A seller and a processor can carry out secondary processing on data obtained from a provider, operation information carried out for a data entity needs to be submitted when the data is published, and whether the data operation information is submitted or not is listed as an important component of data evaluation; in the traceability data storage, a data entity ID number is taken as a key, a traceability record is value, and different key value pairs are subjected to uplink storage through an intelligent contract; and the traceability data query queries the traceability record of the data through the unique ID number of the data entity. According to the method, the capability ofchecking the data transfer process before the data is used is provided for the user, and due to the characteristics of decentralization, tamper resistance, trusted storage and the like of the block chain, the standard automatic execution of the Internet of Things data traceability service entity is realized.

An experimental facility for collecting leachate during mining wasteland remediation relates to ecological remediation experiment facilities. A percolation device 1 adopts the structure that a percolation plate 2 on the upper surface of the percolation device 1 is connected with an impermeable plate 4 on the lower surface of the percolation device 1 through support pillars 3; a baffler 16 is connected to the front end of the percolation device 1; a leachate outlet 5 is formed in the baffler 16; percolation guiding holes 15 are uniformly distributed on the percolation plate 2; the leachate outlet 5 is connected with the end of a flow guide device 7, of which the caliber is thinner, through a hose 6; a porous filter screen 8 is arranged in the inner cavity at the end, with a thicker caliber, of the flow guide device 7; the end of the flow guide device 7, of which the caliber is thicker, is connected with one lateral port of a filtering device through a plastic hose; a top cap is mounted at the top of the filtering device; a detachable filter screen is placed at the lower part of the inner cavity of the filtering device; and a spherical valve is mounted at the lower end of the filtering device. Through the adoption of the experimental facility, leachate of natural rainfall or manually simulated rainfall can be collected in a controllable manner in an in-situ experiment of mining wasteland ecological remediation, so as to solve the problem that laboratory simulation study cannot reflect field environmental conditions completely.

A transformer substation camera cleaning device is used for solving the problem that a transformer substation camera is not convenient to clean and comprises an installing frame, a cleaning device, a first motor, a driving rod and a rotary driving assembly. The installing frame is rotationally arranged in an inner cavity of a support. The rotary driving assembly driving the installing frame to rotate is arranged in the inner cavity of the support. An installing rod is hinged to the front side wall of the installing frame. The cleaning device is fixed to the free end of the installing rod. A cleaning brush is arranged on the inner wall of the cleaning device. The first motor is arranged on the rear side wall of the installing frame. The driving rod is fixed to an output shaft of the first motor. The free end of the driving rod is connected with the installing rod in a hinged manner. A first long-strip hole avoiding the installing rod is formed in the left side wall of the installing frame. A second long-strip hole avoiding the driving rod is formed in the right side wall of the installing frame. The transformer substation camera cleaning device can perform real-time cleaning work on a camera, and therefore it can be guaranteed that the camera collects clear video information, and electric power security is guaranteed.

The invention relates to an optical fiber detection device for biological detection. The optical fiber detection device comprises an optical fiber probe, an optical fiber bundle assembly, a laser device and a fluorescence collection photoelectric receiver, wherein the optical fiber probe and the optical fiber bundle assembly are connected with each other, and the laser device and the fluorescence collection photoelectric receiver are connected with the optical fiber bundle assembly. The optical fiber bundle assembly is a Y-type optical fiber bundle assembly which comprises an overall optical fiber bundle end, a single-mode optical fiber and branch optical fibers, wherein the single-mode optical fiber and the branch optical fibers are connected with the overall optical fiber bundle end. The optical fiber detection device has the advantages that by the adoption of the optical fiber probe and the Y-type optical fiber bundle assembly, transmission of laser beams and collection and transmission of optical signals are completed; by connecting the single-mode optical fiber to the LD laser device, it is guaranteed that the mode of laser beams collected by the single-mode optical fiber is singular; through the conical optical fiber probe, the collection quantity of fluorescence signals is guaranteed; through the branch optical fibers of the Y-type optical fiber bundle assembly and the fluorescence collection photoelectric receiver, the coupling efficiency of optical signals is improved, the signal-to-noise ratio of the equipment is reduced, the structure of the equipment is simplified, and the cost is lowered.

The invention belongs to the technical field of geophysical exploration and relates to a mining intrinsic safety type transient electromagnetic instrument receiving antenna. The receiving antenna has certain interference resistance, can meet the requirements of coal mine safety production, brings convenience to measurement and is convenient to carry and high in detection accuracy. The technical scheme is that the receiving antenna comprises a casing, a coil framework is arranged in the casing, an induction coil is wound on the coil framework, a shielding layer is arranged on the induction coil, a horizontal bubble instrument is arranged on the outer surface of the casing, a signal amplifying circuit, a battery pack and a power supply circuit are arranged at the bottom of the casing, the battery pack is connected with the power supply circuit, a magnetic rod is positioned in the coil framework, the signal amplifying circuit comprises a signal input module, the signal input module is sequentially connected with a time-sharing control module, the signal amplifying circuit, an analog switch and a signal output module, and the signal amplifying circuit comprises a small signal amplifying circuit and a large signal amplifying circuit.