56results about How to "Easy to observe clearly" patented technology

The invention relates to a supersonic flame spraying system. The supersonic flame spraying system comprises a control cabinet, an execution system, a control circuit, a group of tanks, a cooling water machine, a powder feeder and a spraying gun, wherein a display interface is arranged at the upper side of the front end of the control cabinet, and a control interface is arranged at the lower side of the front end of the control cabinet; the execution system is arranged at the upper part inside the control cabinet, and the control circuit is arranged at the lower part inside the control cabinet; the group of tanks is connected with the execution system by virtue of pipelines, the cooling water machine is connected with the spraying gun by virtue of a pipeline, one side of the powder feeder is connected with the execution system by virtue of a pipeline, the other side of the powder feeder is connected with the spraying gun by virtue of a pipeline, and the spraying gun is connected with the execution system by virtue of a pipeline. The supersonic flame spraying system has the advantages of reasonable structural design, easiness in operation and control and high safety performance, automation degree is high, manpower is saved, hydrogen is effectively prevented from refluxing, and personal safety of an operator is guaranteed.

Disclosed is an intelligent street lamp. The intelligent street lamp comprises a vertical lamp pole, a transverse lamp holder, an LED lamp body, a solar panel, a storage battery, an infrared sensor, alight regulator and a street lamp controller; the top of the vertical lamp pole is integrally connected with the transverse lamp holder, the LED lamp is installed at the end, extending to the road surface, of the transverse lamp holder, the solar panel is installed at the end, extending to the road side, of the transverse lamp holder, the storage battery is electrically connected with the solar panel and provides a power supply for the LED lamp, the light regulator and the street lamp controller separately, the infrared sensor is arranged on the vertical lamp pole and used for detecting approaching / leaving of pedestrians / vehicles, the infrared sensor, the LED lamp and the light regulator are all connected with the street lamp controller, and the light regulator is electrically connected with the LED lamp. The intelligent street lamp has the advantages that the design is scientific, the structure is simple, intelligent power control is achieved, the energy is saved, the environment isprotected, the functions are diversified, the traffic safety of urban roads can be ensured, and the life harmony and stability of residents can be promoted.

The invention discloses an experimental facility for researching emission and diffusion of vehicle pollutants of urban street canyon roads. The experimental facility comprises an air stopping part, a street canyon building model and pollutant emission motor vehicle model part and a matching measurement and control part, wherein a wind field is provided by the air stopping part, and two building models on the upwind side and the downwind side constitute a street canyon road model; a motor vehicle model is arranged in the middle of a street canyon and is controlled to move by a wireless controller, and an engine and a tracer particle adding mechanism are connected through a hose on a vehicle; the motor vehicle model emits exhaust during moving in the street canyon and entrained with tracer particles; a digital camera is used for shooting moving images of the tracer particles illuminated by laser sheets; the concentration of the exhaust is measured through exhaust concentration measurement points arranged in the street canyon. The experimental facility greatly improves a previous experiment model, can more truly simulate the diffusion process of the pollutants emitted by the vehicles in the street canyon road environment, and has great significance on formulation of control and reduction methods of vehicle exhaust pollution.

The invention discloses an electrochemical test method and device based on automatic coating and a micro-liquid pool, and relates to the technical fields of metal corrosion, automatic coating technology, micro-area electrochemistry and systematic data accumulation and application. The electrochemical test device comprises an automatic coating system, a micro-liquid pool test system, a test liquidupdating system, a high-precision XYZ three-dimensional mobile platform, a microscopic monitoring system, an electrochemical test system, a storage and control system and a connecting system for controlling effective transmission of control commands and test data among the systems. The device adopts a modular design, has high expandability, combines an automatic coating technology with a micro-liquid pool test system, carries out instant electrochemical sample sealing and measurement on a target research area of a sample under a microscope, accurately controls the reaction area of a working electrode, has a high solution amount / reaction area ratio of the working electrode, can reduce the influence of reaction products, eliminate crevice corrosion, and reduce the risks of liquid leakage, blockage and oxygen diffusion, has lower solution resistance in a test process, and realizes automatic sample sealing and measurement of micro-area electrochemistry.

The invention relates to a convenient-for-observation intelligent traffic signal lamp with a warning function. The lamp comprises a base seat, a support column, a lamp arm, a signal board, a shieldingmechanism and a plurality of warning mechanisms. The shielding mechanism comprises a shielding board, a vertical rod, a cross rod, a support rod, a sliding block and a translating component; the warning mechanism comprises a warning component and a cleaning box; the warning component comprises fluorescent paper, a glass shell and two sealing plates; a cleaning ring, a plurality of telescopic components and a plurality of cleaning components are arranged in the cleaning box; in the convenient-for-observation intelligent traffic signal lamp with the warning function, sunlight is prevented fromshining on a back side of the signal board via the shielding board through the shielding mechanism, and people can be prevented from dazzling feeling when observing the signal lamp. Moreover, the fluorescent paper on the warning mechanism emits light at night, sending warnings to people on a road; the cleaning components are used to keep the surface of the glass shell clean, so that people can observe the light emitted by the fluorescent paper, the support rod can be prevented from being damaged via collision, and therefore equipment can be protected.

The invention discloses biodegradable liquid special for micro emulsion type wire cutting and a preparation method of the biodegradable liquid. The biodegradable liquid is prepared from a component A, a component B, a component C, a component D, a component E, a component F, a component G, a component H, a component I, a component J and a component K. The biodegradable liquid special for micro emulsion type wire cutting is low in cost and good in processing efficiency and meets the national requirements for energy saving, emission reduction and environment protection.

The invention relates to the technical field of hydraulic engineering, in particular to a water gate water level detection device. The water gate water level detection device comprises an elevated stage, a second electric telescopic rod is fixed to the upper surface of the elevated stage, a second output shaft is in slide connection with the upper end of the second electric telescopic rod, and a motor is fixed to the inner side wall of a motor cover which is welded to one end, away from the second electric telescopic rod, of the second output shaft. The motor is in rotational connection with abase through an output shaft. In water gate water level detection, the second output shaft slides to a highest position, then the motor is connected with an external power source, the motor output shaft drives a first electric telescopic rod, a water gauge and the like to rotate centering on the motor, then the first electric telescopic rod retracts or stretches, a water level value of a specified position can be measured, measuring around a certain position and averaging can be realized, and accordingly accuracy in water level detection can be improved.

The invention discloses an exhibition rack for selling handicrafts, comprising a support rod, wherein a lifting base is welded on the bottom of the support rod, a limited position plate is welded on the support rod, a sleeve is sleeved on the top of the limit plate, and a third gear disk is welded on the outside of the sleeve. In this invention, through the arrangement of the first fixed gear plate and the first gear plate, so that the support plate can rotate automatically while rotating around the support rod, the second gear disk and the second fixed gear disk are arranged so that the placing disk rotates by itself when rotating around the first rotational axis, so that the customers can observe the handicrafts in an all-round and intuitive manner without dead angles, At the same time,when the pallet rotates, the placing disk on the pallet can sequentially pass through the illumination light of the LED projection lamp, on the one hand, it is convenient for the user to clearly observe, on the other hand, the handicraft becomes more eye-catching through the intermittent reflection of the activity, thereby increasing the sales volume.

The invention relates to an electric power meter with convenient assembly and disassembly and clear observation, which comprises a display plate, a meter shell, a protection cover and four mounting mechanisms, wherein the protection cover is internally provided with a cleaning mechanism; the meter shell is provided with a display screen and a plurality of keys; the mounting mechanism comprises a fixing plate, a connection rod and two mounting assemblies; the mounting assembly comprises a fixing pipe, an insertion rod, an insertion ring and a fixing unit; the fixing pipe is internally providedwith a pressing plate and a first spring; the cleaning mechanism comprises a lifting plate, a translation assembly, a translation plate, a cleaning assembly and two lifting assemblies; the cleaning assembly comprises a cleaning block, a second spring and two directional units; and the directional unit comprises a directional rod and a directional pipe. According to the electric power meter with convenient assembly and disassembly and clear observation, the display plate and the meter shell can be connected conveniently through the mounting mechanisms, assembly and disassembly of the meter canbe more convenient and quicker, and besides, a protection frame is cleaned by the cleaning mechanism in wet weather, and the user can thus clearly observe the contents on the display screen, thus improving the practicability of the device.

The invention refers to an anti-peeping intelligent security door suitable for a smart home system. The anti-peeping intelligent security door includes a door plate, a peephole, a keyhole and a handle. The door plate is provided with an anti-peeping mechanism, a lifting mechanism and two observing mechanisms. The lifting mechanism includes a driving assembly, a first pedal and two following assemblies. The following assemblies include bevel gears, screws, bearings and sliding blocks. The observing mechanisms include first vertical tubes, transverse pipes, second vertical pipes and third vertical pipes. Baffle blocks the peephole by the anti-peeping mechanism so that some unlawful people cannot peep into the room. Firstly, the exterior is roughly observed by the observing mechanisms when someone is in the outdoor; the baffle of the anti-peeping mechanism is raised after the basic situation is confirmed, so that the indoor occupants are capable of conveniently observing the external situation clearly; beside, the height of the first pedal is increased by the lifting mechanism, people with short stature are capable of conveniently using the peephole, and the practicability of securitydoor is enhanced.

The invention discloses a preparation method of microscope lens oil capable of transparentizing a microporous filter membrane. According to a refraction coefficient of a microscope lens, membrane transparent liquid with the refraction coefficient which is the same as or similar with the refraction coefficient of the microscope lens is selected as the lens oil; meanwhile, in a process of detecting components intercepted by the microporous filter membrane, the lens oil is added into the microporous filter membrane, so that the microporous filter membrane has a transparent state; a material of the microporous filter membrane has a transparent material property; the prepared microporous filter membrane is at a non-transparent or semi-transparent state; the error between an refraction index of the lens oil and the refraction index of the material of the microporous filter membrane is no more than + / -10 percent. The invention aims at providing the preparation method of the microscope lens oil capable of transparentizing the microporous filter membrane; one type of liquid is prepared and a non-transparent microporous filter membrane is changed into a completely transparent microporous filter membrane; the liquid is also used as the lens oil in an oil lens observation process and an unprecedented convenient and effective novel method is provided for morphological detection.

The invention relates to an economical quantitative non-invasive silicious dust-induced pulmonary fibrosis occupational disease mouse model establishing method and preparation device. The invention relates to processes of intubation needle manufacturing, mouse fixing device manufacturing, mouse tracheal intubation operation and the like in a silicosis fibrosis model. Specifically, each mouse is fixed on a self-made mouse fixing plate after being anesthetized, the glottis is exposed, and an SiO2 suspension is quantitatively dripped into the trachea of the mouse by using a self-made trachea cannula needle. Intubation is conducted once every 5-7 days for one month, and the silicosis fibrosis occupational disease model is successfully established. The lung tissue of the mouse is taken for lung morphology and pathology analysis, and the result proves that the method is simple to operate and low in cost, the success rate of the silicosis fibrosis occupational disease mouse model is high, and the fibrosis degree is progressive. The invention provides a good experimental animal model for further research on the pathogenesis of the silicious dust-induced pulmonary fibrosis and drug screening.

The invention discloses a single-barrel culture system for parent shrimps of penaeus monodon. The single-barrel culture system is implemented by the aid of a maturation promoting barrel, an inflation device, a water temperature regulating device and a water flow device. The inflation device, the water temperature regulating device and the water flow device are arranged in the maturation promoting barrel, a barrel bottom of the maturation promoting barrel is made of transparent materials, protruded convex lens structures are arranged on the outer surface of the barrel bottom, grooves are formed in the edge of the inner surface of the barrel bottom and are perforated through barrel walls of the maturation promoting barrel via at least one drain pipe, and a pipe orifice of a water inlet pipe of the water flow device is close to the inner surface of the barrel bottom. The single-barrel culture system has the advantages that the single-barrel culture system is convenient to implement, the parent shrimps can be conveniently managed, the water temperatures can be constant, disturbance and stimulation on the parent shrimps of the penaeus monodon due to frequent water change can be relieved, accordingly, the sex gland maturation time of the parent shrimps can be shortened, and the sex gland maturation rate of the parent shrimps can be increased; sex glands of each parent shrimp can be absolutely assuredly explored, illuminated and observed, and accordingly the single-barrel culture system is greatly beneficial to saving the labor cost and improving the work efficiency.

The invention relates to a medical instrument and particularly provides an electric coagulation hemostat. The electric coagulation hemostat comprises a shell, a hemostasis probe is arranged on one side of the shell, a sweat-absorbent sleeve sleeves the shell and comprises a sweat-absorbent sticker, a sweat-absorbent tube and a sweat-absorbent chamber, an illuminant is fixed to one side of the sweat-absorbent sleeve and comprises a shell and an LED lamp, the shell is provided with a sliding groove comprising clamping edges on two sides, saw-shaped teeth are formed on the brims of the clamping edges, an elastomer, a supporting piece and the LED lamp are arranged in the sliding groove, a press switch is fixed on the surface of the LED lamp and comprises a first press block, a second press block and a third press block which are connected fixedly sequentially, the first press block is disposed in the sliding groove, the width of the second press block is smaller than the minimum distance between the clamping edges, and the third press block exposes over the sliding groove. The electric coagulation hemostat has the advantages of simple structure, convenience in operation, less proneness to slipping, brightness, high safety and capabilities of absorbing sweat and avoiding surgery misoperation.

The invention discloses an electrochemical high-flux testing method based on a photolithographic mask and a micro liquid tank and a device and relates to the technical field of metal corrosion, microcell electrochemistry and systematic data accumulation application. The device comprises a micro liquid tank testing system, a testing liquid updating system, a high-precision XYZ three-dimensional moving platform, a microscopic monitoring system, an electrochemical testing system, a storage and control system and a connection system, wherein the connection system is used for controlling instructions and testing data to be effectively transmitted among the systems. Due to modular design, the device is high in expandability; with the combination of a photolithographic mask technique and the micro liquid tank testing system, and a high-flux idea, the reaction area of a working electrode is precisely controlled, a high solution amount / working electrode reaction area ratio is achieved, influence of reaction products is reduced, seam corrosion is eliminated, risks of liquid leakage, blocking and oxygen diffusion are reduced, relatively low solution resistance is achieved, mask graphs and micro-tube sizes can be selected according to demands, high-flux and automatic measurement on microcell electrochemistry are achieved, and the measurement and analysis efficiency are improved.

The invention discloses a preparation method of microscope lens oil capable of transparentizing a microporous filter membrane. According to a refraction coefficient of a microscope lens, membrane transparent liquid with the refraction coefficient which is the same as or similar with the refraction coefficient of the microscope lens is selected as the lens oil; meanwhile, in a process of detecting components intercepted by the microporous filter membrane, the lens oil is added into the microporous filter membrane, so that the microporous filter membrane has a transparent state; a material of the microporous filter membrane has a transparent material property; the prepared microporous filter membrane is at a non-transparent or semi-transparent state; the error between an refraction index of the lens oil and the refraction index of the material of the microporous filter membrane is no more than + / -10 percent. The invention aims at providing the preparation method of the microscope lens oil capable of transparentizing the microporous filter membrane; one type of liquid is prepared and a non-transparent microporous filter membrane is changed into a completely transparent microporous filter membrane; the liquid is also used as the lens oil in an oil lens observation process and an unprecedented convenient and effective novel method is provided for morphological detection.

The invention beLongs to the technicaL fieLd of mechanicaL equipment, particuLarLy provides a showing tabLe used for mechanicaL device seLL and convenient to adjust in showing angLe and aims to soLvethe probLem that a showing tabLe cannot show product information in detaiL, cannot provide iLLumination, cannot rotate at muLtipLe angLes and is poor in automatic controL. According to the currentLy proposed scheme, the showing tabLe comprises a device box, wherein the inner waLL of one side of the bottom of the device box is connected with a storage battery through boLts, the inner waLL of the other side of the bottom of the device box is connected with a controL box through boLts, the outer waLL of one side of the top of the device box is weLded with a supporting coLumn, the outer waLL of the top of the supporting coLumn is weLded with a connecting pLate, the outer waLL of the top of the connecting pLate is connected with a top cover through boLts, and the outer waLL of one side of the top cover is provided with fixing hoLes. The showing tabLe provides convenience for customers to observe each part of each mechanicaL device aLL-dimensionaLLy and know other information of each device,provides an iLLumination base for appreciators at night, prevents the devices from being damaged careLessLy and faciLitates observation of device tops, and the cost is reduced.

The invention relates to a boiler device. The boiler device comprises a boiler shell. A burning partition plate is arranged inside the boiler shell, and the boiler shell is divided by the burning partition plate into a burning cavity and an ash collecting cavity. A dust discharging hole is formed in the upper end of the boiler shell, a viewing window and a delivering pump are arranged on the side wall of the boiler shell, and the delivering pump is connected with one end of a delivering pipe. Two powder spraying covers are arranged on the delivering pipe. A plurality of heat collecting pipes are arranged on the upper side of the interior of the boiler shell and connected with a heat collector, and one end of the heat collector is connected with a heat transferring pipe. According to the boiler device, under the effect of the delivering pump, coal powder is loaded through high pressure and then sprayed out through the powder spraying covers, so that the contact area of the coal powder and air can be increased, burning is more sufficient, and the burning using ratio is increased; meanwhile, heat can be timely collected and transferred under the effects of the heat collecting pipes and the heat collector, the heat transmitting efficiency is improved, and heat losses are reduced.

The invention relates to the technical field of polishing and polishing equipment, and discloses a grinding and polishing robot. The grinding and polishing robot comprises a base and a mechanical arm,wherein a supporting cylinder is inserted into the base, and a supporting bearing is fixedly connected to the inside of the supporting cylinder. According to the grinding and polishing robot, througha coarse grinding belt machine, a fine grinding belt machine, a grinding wheel machine and a milling cutter, each process of grinding machining on a workpiece can be completed by the same mechanicalarm, a plurality of working steps do not need to be machined, and the time cost of replacing equipment and clamping again for machining is reduced, so that the grinding machining efficiency is improved; a main motor is electrified to drive a rotating gear to rotate, so that a gear ring drives a rotating cylinder to rotate under the combined action of the rotating gear and the supporting bearing, the flexibility of the mechanical arm can be improved when the workpiece is ground by the mechanical arm, and more parts of workpieces to be machined can be machined, and no machining dead angle exists; and the grinding and polishing robot has the advantages of being simple in structure and convenient to use.

The invention relates to a screw pump metal stator welding whole-set equipment system. A front support frame and a rear support frame are separately arranged at the front and the rear of the surface of a machining tool body; clamping positioning racks are symmetrically arranged on two sides of the machining tool body; a first sleeve and a second sleeve are movably mounted in the middles of the front support frame and the rear support frame separately in the transverse direction through a first bearing and a second bearing; a motor is mounted on the top of the front support frame; an output end of the motor is connected with a driving belt pulley through a speed reducer; a first rotating plate and a second rotating plate are separately mounted on opposite side surfaces of the front support frame and the rear support frame; a first chuck and a second chuck are separately arranged on the first rotating plate and the second rotating plate; a welding rack is arranged at a position which is close to the middle of the machining tool body; and a laser welding machine is further mounted on the top of the welding rack. By the technical scheme, the screw pump metal stator welding whole-set equipment system which is accurate in welding and positioning, high in welding speed, high in depth, small in weld joint thermal stress and small in thermal deformation can be provided.

The invention relates to the technical field of medical apparatuses and instruments and discloses a surgical imaging device based on a polarizing extinction principle. By configuring polarizers in an imaging assembly and an illumination assembly of the surgical imaging device, reflected light on the surfaces of the tissues in orifices and non-orifice organs can be filtered out by utilizing the polarizing extinction principle, accordingly the influence of the reflected light on the imaging quality can be reduced, high-definition images without surface reflected light are obtained, thus tissue information under the surfaces of the tissues is convenient and close to observe, and the accuracy of operations in the internal medicine department is guaranteed. In addition, by orthogonally arranging the polarization directions of two polarizers, the surface reflected light can be eliminated to the most degree, and the clearest tissue surface images of the orifices and the non-orifice organs are obtained. By arranging the polarization directions of the two polarizers in parallel, images with surface reflected light can be obtained without elimination of the surface reflected light, and accordingly flexible section can be performed according to the clinic application demand.

The invention relates to a monitoring circuit of a hypersonic flame spraying control system. The monitoring circuit comprises a programmable logic controller, a digital input and output module, a main circuit, a weak-current terminal group, a heavy-current terminal group, an alarm module, a motor executing module and a switch block. Parallel valve banks are adopted to shunt a gas and independently control, so that the conditions that a common needle valve in the prior art adjusts the flow of each gas and the gas flow greatly floats are avoided. A rotary knob emergency stop switch is arranged, so that a user can observe clearly, and a misoperation is easily avoided; when the emergency stop switch acts, equipment is powered off, and stops running, but the main circuit still supplies power to the programmable logic controller, so as to ensure that the system can be restarted at any time, and ensure the humanized design; an audible and visual double alarm is arranged in the alarm module, so that when a fault appears, a user can timely find out the fault, and when the equipment suddenly stops, an igniter cannot directly ignite, and can be used only when the equipment restarts the igniter, so as to prevent the misoperation.

The invention relates to the technical field of measurement, in particular to a method for accurately measuring the aperture of an air film hole of a hot end component coated with a thermal barrier coating. A mixture of silicone rubber and a silicone rubber curing agent is adopted as a replica agent, a 3D replica sample coated with thermal barrier coating and having complete air film holes can be obtained, and the shape and size of the 3D replica sample are observed and measured under a laser confocal microscope. The method is high in replica precision, the original size of the air film hole and the shape of the hole diameter reduction part of the air film hole caused by coating of the thermal barrier coating can be conveniently and clearly observed, and size measurement is accurate and simple. Meanwhile, the method is simple and convenient in operation process, short in detection period and low in cost, does not need to damage parts, and is particularly suitable for field inspection of large-size hot end parts.

The invention provides a safety door assembled with an image monitoring system, which comprises an image taking device, a main circuit board and a display unit, wherein the image taking device is arraThe invention provides a safety door assembled with an image monitoring system, which comprises an image taking device, a main circuit board and a display unit, wherein the image taking device is arranged on the outer side of the safety door for taking images of scenes outside the door; the main circuit board is embedded in the door and comprises an image processing circuit which is used for procenged on the outer side of the safety door for taking images of scenes outside the door; the main circuit board is embedded in the door and comprises an image processing circuit which is used for processing the original images taken by the image taking device; and the display unit is arranged on the inner side of the safety door and is used for displaying the images which are processed by the imagessing the original images taken by the image taking device; and the display unit is arranged on the inner side of the safety door and is used for displaying the images which are processed by the image processing circuit and contain visitor information. The safety door can make an observer inside the door observe the scenes outside the door conveniently and clearly under the condition of ensuring tprocessing circuit and contain visitor information. The safety door can make an observer inside the door observe the scenes outside the door conveniently and clearly under the condition of ensuring the safety, and has the advantages of complete functions, safety and reliability.he safety, and has the advantages of complete functions, safety and reliability.

The invention discloses a suction device for the abdominal surgery department. The suction device comprises a storing box, a partition plate, a first air exhausting pipe, a second air exhausting pipe,a first spring, a pressing plate, a first wedge block, a second wedge block, a first connecting rod, a first switch, a second connecting rod, a second switch, a vacuum pump, a liquid discharging pipeand a connecting cover. The suction device for the abdominal surgery department is ingenious in structure, powerful in functions and simple in operations, by using the device, medical workers can conduct suction treatment on hydrops at the operative part of a patient without using sterile cloth or a sterile medical sponge so that the medical workers can clearly observe the conditions of the operative part of the patient, and not only is the work intensity of the medical workers reduced, but also the operation process of the patientis ensured.

The purpose of the present invention is to solve the problem of data sorting for accountants, and discloses a data sorting rack for accountants, including a hood, a support rod is fixedly installed on the upper side of the hood, and a mounting rod is fixedly installed on the top of the support rod. block, the upper side of the installation block is fixedly installed with a crossbar, the upper surface of the crossbar is evenly installed with a connecting strip, the front side of the hood surface is installed with a mounting strip, and the installation strip and the hood are fixedly installed with Connecting frame, lighting lamps are evenly installed on the mounting bar, an elastic band is connected to the underside of the hood, a collar is arranged under the hood, a connecting plate is fixedly installed in front of the collar, and the surface of the connecting plate is Jack holes are uniformly arranged, and the lower surface of the connecting plate is symmetrically installed with a stop bar. The present invention realizes the wearing and supporting of the device through the hood, the loop and the collar, and then uses the setting of the connecting strips to facilitate the construction of a plane, so as to arrange the data in advance and improve the work efficiency of tax officials.

The invention discloses a jewel processing anti-fogging observation device based on a heating member. The device comprises a processing box, a first transparent part, a second transparent part, a heating device, a temperature detecting device and a controller. One side surface of the processing box is provided with an observation window; the first transparent part is sealingly arranged at the front side of the observation window; the second transparent part is sealingly arranged at the back of the observation window; the heating device is arranged inside an enclosed space between the first transparent part and the second transparent part; the temperature detecting device is arranged inside an enclosed space between the first transparent part and the second transparent part; and the controller is respectively connected to the heating device and the temperature detecting device. According to the technical scheme of the embodiment, temperature of the first transparent part and the secondtransparent part can be controlled to a value which is higher than the environment temperature through the heating device, the temperature detecting device and the controller, thereby effectively avoiding fogging of water mist on the first transparent part and the second transparent part and being convenient for users to clearly observe the inside situation of the jewel processing box.