31results about How to "Avoid observation" patented technology

The invention discloses a power supply system, electronic equipment and a power supply control method, and belongs to the technical field of display. The power supply system comprises a power supply management chip, a first switch unit and a load pumping module. The power management chip is connected with the first switch unit, the first switch unit is connected with the pumping module, and the power management chip is further connected with the display screen; wherein the power management chip is used for switching on the first switch unit to switch on the path between the power management chip and the pumping module under the condition that the path between the power management chip and the display screen is switched on and a first duration of skipping a skip mode of the power management chip is detected to be greater than or equal to a preset duration, so that the power management chip exits from the skip mode.

The invention belongs to the technical field of medical instruments, and particularly relates to an arthroscope device which comprises a handle, a mounting rod and a mirror rod are sequentially mounted on the handle, and a detection lens is mounted in the mirror rod; a fixing plate is mounted in the mirror rod, and an adjusting plate and a detection lens are mounted on the fixing plate through elastic rods; a top seat is installed on the sliding groove in the fixing plate, an elastic layer is installed on the top seat, and the elastic layer makes contact with the adjusting plate; a first knob is mounted on the mounting rod and drives the top seat to move through a traction rope; a second knob is mounted on the mounting rod and drives the piston to move in the closed cylinder; according to the invention, the structure is simple, the inclination angle and the inclination direction of the adjusting plate are adjusted, and the transparent isolation tube is matched, so that the detection lens can have an approximately spherical visual angle range besides the axial direction of the lens rod, and a doctor can fully observe an articular cavity from different observation angles and different observation visual angles.

The utility model relates to an automobile pin insertion detection system. Comprising a lifting appliance mechanism, a control module, a distance measuring module and a lifting module, the control module is in communication connection with the lifting appliance mechanism, the distance measuring module and the lifting module, and the distance measuring module is installed at the top end of the lifting module and faces the bottom of an automobile; an automobile is loaded and transferred to the lifting appliance mechanism and is positioned through a positioning pin; the lifting module can drive the distance measuring module to ascend and descend, the distance measuring module is used for detecting the distance between the automobile and the distance measuring module and generating a detection signal, the control module can control the lifting module to ascend and descend and control the sling mechanism to operate, and the control module can compare the detection signal with a preset distance range to judge whether the automobile is clamped into the mounting pin or not. The device can accurately detect whether the positioning pin is inserted into the positioning hole of the automobile or not, so that various risks such as automobile slipping and the like are completely eradicated.

The utility model discloses a windowed service platform for handling work tickets in the technical field of work ticket handling, which comprises a platform body, a transaction groove is arranged in an inner cavity of the platform body, support frames are fixedly mounted at the left end and the right end of the top of the platform body, gears are rotatably connected to the rear sides of inner cavities of the two support frames, and the gears are connected with the transaction groove. A safety plate is arranged between the two supporting frames, by arranging the safety plate, a worker drives the safety plate to move downwards by pulling a handle, the safety plate can rotate on a gear through racks on the left side and the right side so that the safety plate can stably move up and down, and when the safety plate moves downwards, a transaction groove in the bottom can be covered; the baffle can be used for blocking sight during transaction and preventing observation of other personnel, the alarm device can be started by pressing down the alarm button, the safety plate can be freely pulled up or pulled down during transaction of a work ticket, the safety during window transaction is improved, safety protection of transaction articles is achieved, and practicability is high.

The utility model provides a kind of atomization aromatherapy device.The atomization aromatherapy device includes: shell, main control circuit board, atomization component, fan assembly and the frame support, shaping structure and base sequentially arranged along the height direction of atomization aromatherapy device;The shell is transparent, and the shell is annularly arranged on the circumferential side of the shaping structure, and forms a smoke cavity;The shaping structure includes a shaping cover and a flow guide, the shaping cover is protruded on the bottom of the frame support, the flow guide is connected with the base, and the shaping cover is covered on the top of the flow guide;A containing space is formed between the flow guide and the base, and the fan assembly is arranged in the containing space;The atomization component is arranged on the frame support;A passage piece is arranged between the frame support and the flow guide, and the line electrically connected between the atomization component or the fan assembly and the main control circuit board is arranged in the passage piece, and the passage piece is located in the shaping cover.Through the above arrangement, the ornamental value of the atomization aromatherapy device is improved.

The invention relates to the technical field of disinfection of incubators, and discloses an automatic disinfection device for a ginger detoxification breeding incubator, which comprises an incubator, a plurality of culture mediums for planting ginger are placed in the incubator, a plurality of groups of ultraviolet laser lamps for disinfection are arranged in the incubator, and a blocking plate is arranged on one side of the incubator. A transparent observation plate is fixedly installed in the middle of the plugging plate, a shielding assembly is arranged on one side of the transparent observation plate and used for shielding the transparent observation plate when the incubator is disinfected, and a sweeping assembly for cleaning the transparent observation plate is arranged on one side of the shielding assembly. When the incubator is disinfected, the shielding cloth can be gradually unfolded, the surface of the transparent observation plate is shielded when the shielding cloth is unfolded to the transparent observation plate, and the situation that an operator can observe the internal situation of the incubator in the disinfection process, and potential hazards are brought to eyes and skin of the human body is avoided.

The utility model relates to the technical field of mining transportation equipment, in particular to a mining explosion-proof diesel engine concrete mixing truck which comprises a truck frame assembly, a mixing tank and a cab, the mixing tank and the cab are located on the truck frame assembly, and the cab is located on the front portion of the truck frame assembly and arranged on one side in an offset mode. A feeding groove and a discharging groove of the stirring tank are located on the same side and are close to the cab, a transversely-arranged engine unit is arranged at the rearmost end of the upper portion of the frame assembly, and the problem that noise and high-temperature hot air affect the environment in the cab in the equipment working process can be effectively solved.

The utility model discloses a micro differential pressure transmitter with a cleaning assembly, and relates to the technical field of transmitter cleaning sets. The device comprises a supporting block, a first shell is fixedly connected to the top of the supporting block, a movable plate is arranged on the front face of the first shell, a connecting buckle is fixedly connected to the left side of the first shell, a collecting cylinder is arranged on the left side of the movable plate, and a storage cylinder is arranged on the right side of the movable plate. A rotating rod barrel is arranged, specifically, a transparent cleaning belt is assembled around the rotating rod barrel, then the rotating rod barrel and the transparent cleaning belt are placed in a storage barrel through a second movable cover, meanwhile, the rotating rod barrel and the transparent cleaning belt rotate anticlockwise, a clamping block stretches into a clamping groove through a first spring, and meanwhile due to the fact that the second spring abuts against the rotating rod barrel upwards, the rotating rod barrel is clamped in the clamping groove; and then, the transparent cleaning belt penetrates through the cleaning clamping groove, passes through the collecting barrel and is wound in the output rod, and when the motor is started, the transparent cleaning belt is driven to clean the equipment, so that the cleaning effect is achieved.

The utility model discloses a soft endoscope pretreatment device which comprises a transfer treatment trolley (4), an enzyme liquid barrel (8) is arranged on an upper table top of the transfer treatment trolley (4), wheels (12) capable of being braked are arranged at the bottom of the transfer treatment trolley (4), an enzyme liquid cup containing groove supporting frame (5) is arranged on one side of the lower middle portion of the transfer treatment trolley (4), and a disposable enzyme liquid cup containing groove (6) is formed in the enzyme liquid cup containing groove supporting frame (5). A cup taking device (2) is arranged on one side of the enzyme liquid barrel (8) in the vertical direction, and a cover is arranged on an upper opening of the cup taking device (2); and a pedal control faucet (3) is arranged on the other side surface of the enzyme liquid barrel (8). The soft endoscope pretreatment device can be fixed and moved, operation and back-and-forth transfer of a doctor are facilitated, the situation that a patient mistakenly considers the spitting barrel to spit and discard sundries at will is avoided, the technical specification of cleaning and disinfection of disinfection endoscopes is met, and cross infection and replacement are avoided.

This utility model relates to the field of touch screen multi-touch device technology, and discloses a highly sensitive multi-touch device for touch screens, including a main body of the touch device, a password input device fixedly connected to the outside of the main body of the touch device, an anti-theft screen glass movably sleeved inside the password input device, a circuit board at the bottom of the anti-theft screen glass, a metal button movably connected to the top of the circuit board, and a supplementary light device fixedly connected to the top of the circuit board. This utility model, by installing an anti-theft screen glass outside the password input device, facilitates the operator's observation of the input button while preventing others from eavesdropping on the operator's input password. Simultaneously, a supplementary light device is installed outside the circuit board to prevent errors during input due to poor lighting, which could affect the user experience. This device, through the dual design of anti-theft screen and intelligent supplementary light, enhances adaptive function and improves operational reliability in complex environments.

The utility model discloses a locking assembly and a drawer, and belongs to the field of drawers. A locking assembly comprises a first locking plate of an L-shaped structure, a second locking plate of an L-shaped structure and a third locking plate of an L-shaped structure, the second locking plate is matched with the first locking plate and comprises a shifting plate and a clamping plate fixedly connected with the shifting plate, a second rotating point is arranged at the position close to the shifting plate, one end of the first locking plate is matched with the shifting plate, and when the first locking plate rotates around the first rotating point, the second locking plate rotates around the second rotating point; the first locking plate and the second locking plate are each provided with a reset assembly. The drawer can be self-locked or unlocked, children or pets can be effectively prevented from opening the drawer by mistake to eat or use medicine in the drawer by mistake, accidental poisoning or adverse reaction is prevented, and the safety of the device is improved.

The invention relates to the technical field of pumping type foam fire extinguishing, and discloses a mechanical pumping type foam fire extinguishing device which comprises foam fire extinguishing equipment, the foam fire extinguishing equipment comprises a water turbine, the two sides of the water turbine fixedly communicate with a water inlet connecting device and a proportioning mixer correspondingly, and the water inlet connecting device comprises a water inlet pipe fixedly communicating with the water turbine; one side of the water inlet pipe is fixedly communicated with the detection pipe, the control valve is installed on the water inlet pipe, during regular detection, the control valve is closed, an external water pump is started, water enters the detection pipe after passing through the fixing flange and the water pump connecting pipe flange, and the water is pumped back to a source; water leakage can be directly observed on the outer sides of the fixing flange and the water pump connecting pipe flange, if only part of the water leakage is damaged and the water leakage is not obvious, detection can be carried out through the detection assemblies in the mounting holes, sealing gaskets in the fixing flange and the water pump connecting pipe flange can be conveniently checked in time, and the fixing flange and the water pump connecting pipe flange do not need to be disassembled.

The utility model relates to the technical field of motorcycle accessories, and discloses a turnover type instrument structure which comprises a base and further comprises a shell arranged at the top of the base, two sliding grooves are formed in the two sides of the shell respectively, two driving mechanisms are arranged at the top of the base, the inner wall of the shell is rotationally connected with a transversely-arranged rotating rod, and the inner wall of the rotating rod is rotationally connected with a rotating shaft. The outer side of the rotating rod is fixedly connected with an instrument desk; by arranging the driving mechanism, the rotating rod can be conveniently driven to rotate, so that the instrument desk is driven to turn over, the situation that a driver frequently turns the head to observe the instrument desk due to different angles of the instrument desk is prevented, and by arranging the fixing plate, the threaded rod, the rotating disc and the clamping plate, the instrument desk can be conveniently fixed; and the situation that the instrument desk descends due to bumping caused by poor road conditions or severe driving environments and the like during driving is prevented.

The embodiment of the utility model relates to a disposable closed visible sputum suction tube with multifunctional channels. A sputum suction channel, a shooting channel and two multifunctional channels which are not communicated with each other and are arranged side by side are arranged in a sputum suction tube body of the sputum suction tube. The two multifunctional channels are located on the two sides of the shooting channel. A bottom sputum suction hole is formed in the opening of the extending end of the sputum suction channel; the camera and the two light supplementing lamps are installed in the shooting channel of the stretching-in end. The negative pressure control valve and the suction catheter connector are fixedly connected to the connecting end of the sputum suction catheter body and communicated with the sputum suction channel. A cable connected with the camera and the light supplementing lamp is arranged in the shooting channel in a penetrating mode. And the thin film protective sleeve is sleeved between the connecting end and the extending end of the sputum suction tube main body. According to the sputum suction tube, visual sputum suction operation is achieved through the camera and the light supplementing lamp, the operation difficulty in the sputum suction process is reduced, and the sputum suction efficiency is improved.

The utility model discloses a side punching and front face hole flanging die which comprises a lower die body, an upper die body and an auxiliary assembly, the upper die body is arranged relative to the lower die body and can slide close to or away from the lower die body, the auxiliary assembly comprises a power supply part, an alarm part and an electric contact part, the power supply part is connected to the upper die body, the alarm part is connected to the upper die body, and the electric contact part is connected to the lower die body. The electric contact piece is arranged opposite to the power supply piece and is connected to the lower die body, and when the power supply piece abuts against the alarm piece, the power supply piece, the alarm piece and the electric contact piece can form a closed loop to trigger the alarm piece to give an alarm. According to the utility model, the problems that the operation is complicated and the deviation of secondary processing is easily caused because the workpiece is required to be taken down after being processed and whether the punching or hole flanging processing of the workpiece is qualified is judged through measurement or observation can be solved.

The utility model relates to the technical field of self-service equipment, in particular to a self-service check-in terminal which comprises a cabinet, and the cabinet comprises a display portion, an expansion portion and an equipment portion used for installing a control host. The display part, the expansion part and the equipment part are in smooth transition; an expansion mounting plate is detachably mounted on the front end face of the expansion part, a number taking printer and an information reading assembly are mounted on the expansion mounting plate, and a wireless communication module is mounted at the rear end of the expansion part; the number taking printer, the information reading assembly and the wireless communication module are all in signal connection with the control host. According to the self-service check-in terminal, the identity information of a user is protected while the operation experience of the user is improved, and the risk that important articles are left behind is reduced; the design of the detachable expansion part is adopted, so that the adaptability and the expansibility of the terminal to various types of scenes are improved; a number taking printer and an information reading assembly are arranged, identity information is rapidly obtained, paper registered bills are shown, the registration process is integrally simplified, and the registration efficiency is improved.

The invention provides a display device. The display device comprises a back plate, a lower front shell, a rear cover and a far-field assembly, the front end of the extension plate is attached and fixed in the limiting groove of the lower front shell, the front plate extends oppositely from the rear end of the lower front shell, the front plate approaches the back face of the rear cover, and a preset distance is formed between the front plate and the front end of the lower front shell, so that when a user watches the display device from the center of the front side of the display device, the user can watch the display device conveniently. After the sight line of a user observes the bottom end edge of the lower front shell downwards and backwards, the bottom end edge of the lower front shell blocks the sight line of the user, view blind areas exist at the lower ends of the lower front shell and the rear cover, the far-field shell is located in the view blind areas, the situation that the user observes the far-field shell is effectively avoided, and the user experience is improved. The front end of the limiting groove is closed and the rear end is open; the front end of the extension plate is attached and fixed in the limiting groove, the lower front shell shields the sight of a user, the user is effectively prevented from observing the front end of the extension plate on the front side of the display device, and therefore the function of shielding the far-field shell is achieved.

The utility model relates to the technical field of hardware fitting machining equipment, in particular to an automatic feeding device for precise hardware fitting machining. The conveying device comprises supporting tables, the surfaces of the supporting tables are rotationally connected with a conveying belt, the surfaces of the supporting tables are fixedly connected with a storage bin, fixing devices are arranged on the surfaces of the supporting tables, each fixing device comprises two fixing plates, and the two fixing plates are fixedly connected with the surfaces of the supporting tables. A threaded hole is formed in the surface of the fixing plate, a threaded rod is rotationally connected to the inner wall of the threaded hole, a round block is fixedly connected to one end of the threaded rod, a containing plate is fixedly connected to the other end of the threaded rod, and a rubber plate is slidably connected to the inner surface of the containing plate. And the problem that in the hardware fitting conveying process of an automatic feeding device, hardware fittings are likely to be separated from the machining position, so that some hardware fittings are not machined, and manual secondary treatment needs to be conducted is solved.

This invention discloses a molecular marker associated with the growth and development traits of yellow-feathered broiler chickens and its application, belonging to the field of molecular breeding technology. The SNP molecular markers correspond to the sequence information of chromosome 4 in the Gallus_gallus-6.0 version of the chicken reference genome published in NCBI, specifically at 75971034 bp (genotypes GG, GC, CC) and 75971177 bp (genotypes GG, GA, AA). The 75971034 bp genotype is a favorable genotype with the GG genotype at the locus, carrying significantly higher mid-metabolic weight, 87-day weight, and 113-day weight compared to individuals carrying the CC genotype. The 75971177 bp genotype is also a favorable genotype with the GG genotype at the locus, carrying significantly higher mid-metabolic weight compared to individuals carrying the AA genotype. Using these molecular markers for molecular-assisted selection allows for early screening of mid-metabolic weight, 87-day weight, and 113-day weight, effectively reducing production costs, promoting genetic improvement, and demonstrating high economic benefits and application value.

The utility model discloses a TBM rock slag catalog image automatic acquisition device based on high-speed camera shooting. The TBM rock slag catalog image automatic acquisition device comprises a TBM cutter head, a TBM slag discharging belt conveyor, a high-speed camera and a camera fixing support. A TBM cutterhead capable of achieving rotary cutting is installed at the end of the TBM deslagging belt conveyor, the camera fixing support is installed on the side, close to the TBM cutterhead, of the TBM deslagging belt conveyor, and the high-speed camera is installed on the camera fixing support, arranged above the starting end of the TBM deslagging belt conveyor and used for collecting orthoimages of rock slag on the TBM deslagging belt conveyor in real time. Rock slag image data are collected in real time through the high-speed camera, manual intervention is not needed, the data collecting and processing time is greatly shortened, meanwhile, the device can work continuously, the idle time of manual operation is effectively shortened, massive training samples are accumulated for rock slag image recognition and geological analysis, the precision of a machine learning model is improved, and the working efficiency is improved. And intelligence and automation of geological logging of the rock slag are promoted.

The utility model discloses an internal water level detection device for an expansion water tank, which relates to the technical field of expansion water tanks and comprises a water tank body, a pushing mechanism is arranged in the water tank body and comprises two vertical rods fixed on the inner bottom wall of the water tank body, and the outer surfaces of the vertical rods are slidably connected with sliding rings. A liquid level plate is fixedly connected to the outer surface of the sliding ring, a floating plate is fixedly connected to one side face of the liquid level plate, a sealing bin is fixedly connected to the top end of the vertical rod, two sleeves are arranged in the sealing bin, and a pushing plug is arranged in each sleeve. Air in the sleeve can be pressed into the pushing cylinder through the bent pipe, the pushing rod is pushed through air pressure in the pushing cylinder, the pushing rod drives the sliding ring to move through the connecting rod, the sliding ring drives the marker post to move in the through groove, and the marker post and the ruler are used for benchmarking. Therefore, the water level in the water tank body can be observed under the condition that the water tank body is not opened.

The utility model discloses hog house launching auxiliary equipment which comprises a water storage tank and a first box body arranged on the right side of the water storage tank, an opening is formed in the right side of the water storage tank, the first box body is communicated with the water storage tank through the opening, an inner cavity of the first box body is rotationally connected with two symmetrical rotating wheels, a floating ball is arranged in the inner cavity of the first box body, and the rotating wheels are arranged in the floating ball. And the top of the floating ball is in bolted connection with a rope. Through the arrangement of the opening, the water level of the water storage tank and the water level of the inner cavity of the first box body can be kept consistent, when water in the inner cavity of the water storage tank is used up, the floating ball can drive the sliding block to move upwards through the rope, and the sliding block can drive the fixing rod to move upwards to extrude the switch at the bottom of the alarm device; therefore, the alarm device can be used for reminding when the water in the water trough is used up, the situation that a user cannot know the water in the water trough in time when the water in the water trough is used up is avoided, the user is prevented from entering the hog house frequently to observe the water amount of the water trough, and the labor consumption is reduced.

The utility model discloses a weak current detector which comprises an external installation square box, a detector body is fixedly installed in the middle of the inner side of the external installation square box, a sealing box door is hinged to the front face of the external installation square box, installation guide strips are fixedly connected to the two sides of the side face of the sealing box door, and limiting top strips are fixedly installed at the top ends of the installation guide strips. According to the utility model, the dustproof shielding plate can be shifted to slide along the inner side of the mounting guide strip by shifting the slide block, so that a detector can quickly observe a numerical value on the detector main body, and when the interior of the external mounting square box does not need to be observed at ordinary times, the detection personnel can conveniently and quickly observe the numerical value on the detector main body. And the dustproof shielding plate shields the window on the side surface of the sealing box door, so that the sealing box door is effectively prevented from being polluted by the outside in the normal use process to influence normal observation, and the overall use convenience of the weak current detector is further improved.

The utility model discloses a Low-e film composite hollow glass structure, relates to the technical field of hollow Low-e glass, and aims to solve the technical problem that the privacy in a living space is insufficient when the hollow Low-e glass with good light transmission is used, the Low-e film composite hollow glass structure comprises a frame, and hollow glass is arranged on the inner side of the frame. The hollow glass comprises Low-e glass A, common glass B and glass C which are arranged in parallel at intervals, photosensitive switches are symmetrically arranged on the front surface and the rear surface of the frame, and a coloring liquid cavity filled with gray liquid is formed in the lower end of the frame; a motor is arranged at one end in the coloring liquid cavity, one end of an output shaft of the motor is fixedly connected with the coloring liquid cavity, a sealing plate is movably connected to the outer surface of one end of the coloring liquid cavity, and an extrusion block is movably connected to the outer surface of the coloring liquid cavity. The hollow Low-e glass has the advantages that when the outdoor light condition is poor at night, observation of the external environment to the indoor space is avoided through the filled coloring liquid, and the use privacy of the hollow Low-e glass is improved.

The present invention discloses a dispersion-type multifunctional Hadamard transform microscopic imaging spectrometer, comprising a base, the top of which is fixedly connected to a light adjustment device, a Y-direction adjuster and a grip wall, the side of the Y-direction adjuster is slidably connected to the X-direction adjuster, the top of the X-direction adjuster is slidably connected to the Z-direction adjuster, the top of the Z-direction adjuster is fixedly connected to the stage, the top of the grip wall is clamped to the imaging stage, the top of the imaging stage is fixedly connected to the eyepiece, the bottom of the imaging stage is rotatably connected to the objective lens, and a stabilizing mechanism is arranged on the connecting side of the X-direction adjuster, the Y-direction adjuster and the Z-direction adjuster. The dispersion-type multifunctional Hadamard transform microscopic imaging spectrometer ensures the accuracy of the position of the observed spectrum on the complete spectrum and the accuracy of the detail display on the complete spectrum by continuously establishing, identifying and analyzing coordinate information during the adjustment process, thereby preventing data errors or equipment wear from causing spectrum imaging loss.

The utility model discloses a turnover bag easy to seal, and relates to the field of ton bags. The container bag comprises a container bag body, limiting mechanisms are arranged at the corner edges of the outer side of the container bag body, each limiting mechanism comprises an installation belt, a limiting belt is arranged on the outer side of each installation belt, and a limiting groove is formed between each installation belt and the corresponding limiting belt. The hanging belt is bent and inserted into the limiting groove between the mounting belt and the limiting belt, so that the hanging belt can be effectively prevented from being pressed below an upper-layer ton bag, the hanging belt is prevented from being hindered by a subsequent operator to observe and use the hanging belt due to the fact that the hanging belt is pressed, the placing standardization of the hanging belt is remarkably improved, and the safety of the container bag is improved. In addition, by means of the orderly sling management mode, the visual effect of overall stacking of the ton bags is greatly improved, a warehouse or a storage area looks tidier and more orderly, and management and inspection are facilitated.

The utility model provides an air outlet mechanism of an indoor unit and an air conditioner, relates to the technical field of air conditioners, and aims to solve the problem that a user directly observes the internal structure of an air duct. The indoor unit air outlet mechanism comprises an air duct and an air direction adjusting mechanism, the air duct is provided with an air outlet, a first side wall and a second side wall, the first side wall is provided with a first local part, the second side wall is provided with a second local part, and the distance between the first local part and the second local part is gradually reduced in the air flow direction in the air duct. The distance between the first local part and the second local part is minimum at the air outlet; the air direction adjusting mechanism comprises an air guide block arranged between the first side wall and the second side wall, the air guide block divides the local part of the air channel into a first sub-air channel and a second sub-air channel which are arranged side by side, the first sub-air channel is located between the air guide block and the first side wall, and the second sub-air channel is located between the air guide block and the second side wall. The air direction adjusting mechanism is configured to change the circulation area proportion of the first sub-air channel and the second sub-air channel. The main structure in the air duct can be shielded.

The utility model discloses a novel heating disc and an all-glass heating kettle, the heating disc comprises a first heat transfer plate, a heating element and a second heat transfer plate, the first heat transfer plate is riveted with a plurality of nut columns connected with a heat insulation support; the heating element is arranged at the bottom of the first heat transfer plate and is used for heating the first heat transfer plate; the second heat transfer plate is arranged on the top of the first heat transfer plate and shields the nut columns, and the upper end face of the second heat transfer plate is attached to the bottom of the all-glass kettle body to achieve heat conduction. Therefore, through the arrangement of the second heat transfer plate, the second heat transfer plate can shield the plurality of nut columns riveted on the first heat transfer plate, so that when the second heat transfer plate is attached to the bottom of the all-glass kettle body, a user can be effectively prevented from observing the nut columns, the overall attractiveness of a product is improved, and the use experience of the user is improved. In addition, the second heat transfer plate is arranged, so that the upper end face of the second heat transfer plate can be ground flat conveniently, and the attaching flatness of the second heat transfer plate and the all-glass kettle body is guaranteed.

The utility model relates to an entrance guard locking structure which comprises a door frame and a door plate, a cavity is formed in the door plate, a lock catch assembly is arranged in the cavity and comprises a first buckle, a first spring, a rotating column and a handle, the first buckle is installed in the cavity in a sliding mode, the first spring is fixedly installed on one side of the first buckle, and the rotating column is installed in the door plate in a rotating mode. A first clamping groove is formed in one side of the inner wall of the door frame. A mounting cavity is formed in the door frame, an access control assembly is arranged in the mounting cavity, and the access control assembly comprises a travel switch, a main control board, an electric wire and a buzzer. A first buckle 11 can be extruded through a door frame 1 when a door is closed through a lock catch assembly 27, and the first buckle 11 is inserted into a first clamping groove 13 when the first buckle 11 corresponds to the first clamping groove 13, so that the situation that the door plate 2 is successfully locked when being observed on the surface, but is not locked actually can be prevented, and the door plate 2 cannot be locked. And the door plate 2 can be pushed away only by slightly pushing the door plate 2.