46 results about "Student hostel" patented technology

The invention discloses a combined bed, wall cabinet and desk assembly for a student hostel, which mainly comprises a wall cabinet (1), a combined bed, a bookcase (3) and a desk (5), wherein the wall cabinet (1) is divided into left, middle and right cabinets and is positioned above the combined bed; a bed board (12) is paved above a bed frame (11) of the combined bed; an anti-falling guardrail (13) is arranged outside a bed edge of the bed frame (11); the bed frame (11) is also provided with a bedside clapboard (2); a drawer (4) with a lock is arranged on the left below the bed board (12); a box cabinet (6) is arranged below the drawer (4); a bookshelf (9) is arranged in the middle below the bed board (12) from top to bottom; the bookshelf (9) is divided into a shoe cabinet (8) and a pedal (7) from top to bottom; the pedal (7) is drawable; a garderobe (10) is arranged on the right below the bed board (12); the garderobe (10) is provided with two doors; the bookcase (3) is divided into four layers from top to bottom by clapboards; and the desk (5) with the drawer with the lock is arranged below the bookcase (3) and above one side of the bedside clapboard (2). The bed board of the combined bed is at a short distance from the ground and is also provided with the drawable pedal, so that a user can conveniently go to bed and get out of the bed and the sleeping safety is guaranteed; the combined bed, wall cabinet and desk assembly has a reasonable space layout, a compact structure and a function of providing convenience for sleeping, studying, object storing and the like; and a study zone and a sleeping rest zone are effectively separated, so that the dynamic-static separation is realized.

The invention relates to a student bed, and particularly relates to a student bed with a clothes drying function for a student dormitory. The invention aims to provide the student bed with the clothesdrying function for the student dormitory, which can effectively store student articles, dry student wet clothes and enable a crawling ladder to be retractable. The technical scheme of the inventionis as follows: the student bed with the clothes drying function for the student dormitory comprises a side plate, a wardrobe assembly and a combined bed table, wherein the side plate is connected to the top side of a bottom plate; the wardrobe assembly is connected to one side of the top of the bottom plate; and the combined bed table is connected between one side of the wardrobe assembly and oneside of the side plate. According to the student bed with the clothes drying function for the student dormitory, through the cooperation of a cabinet body, a door handle, a magnetic base and a metal block, the purpose of placing and storing personal clothes of students is achieved.

The invention relates to the technical field of intelligent electrical appliances and solves the technical problem that an existing water heater in a students' dormitory cannot control the bathing time of students efficiently and reasonably. A control method with voice prompt for an intelligent water heater in a students' dormitory is provided. The control method comprises the steps that: when the preset moment arrives, the intelligent water heater sends a voice prompt information to a terminal device of a user; within the preset time bucket after the preset moment, the intelligent water heater detects if a user opens the switch of the intelligent water heater for bathing; if no user is detected to switch on the intelligent water heater for bathing, continuously sending the voice prompt information to the terminal device of the user after the preset time bucket is ended; when the user is detected to switch on the intelligent water heater for bathing, a loudspeaker arranged on the intelligent water heater broadcasts the bathing time length for the user, thereby realizing the technical effects of effectively controlling the bathing time of the student and further saving water.

The invention relates to application of a two-dimensional code lock to a campus. The application of the two-dimensional code lock to the campus comprises the following steps: acquiring an administrator account number corresponding to the two-dimensional code lock and administration authority from a two-dimensional code key data center by a school administrator, pre-providing information and phone numbers of all students and teachers of the school to the two-dimensional code key data center, simultaneously scheduling courses of the teaches and classrooms of the courses, and checking whether students are absent or late and whether the teachers attend class on time according to the information provided by the two-dimensional code lock; arranging a two-dimensional code lock in a student dormitory, and entering the dormitory by the students through a two-dimensional code virtual key; and acquiring a two-dimensional code virtual key from the two-dimensional code key data center in a specific time period when students want to go out of the school so as to open the two-dimensional code lock and go out of the school. The two-dimensional code lock has the characteristics of being convenient to use and having a good supervision effect.

The invention discloses a student dormitory information management and acquisition device. The student dormitory information management and acquisition device comprises a first mounting groove, a base, a face recognition sensing region and fingerprint sensing regions, wherein the base is arranged in the center of the top end of the bottom plate; a storage battery is arranged at the bottom end in the base; a display screen is arranged at the upper end of the front face of the base, a first mounting groove is transversely formed in the top end of the display screen, four sensing platforms are annularly arranged in a second mounting groove, the fingerprint sensing regions are arranged in the centers of the top ends of the sensing platforms, and the face recognition sensing region is arrangedin the center of the top end of the second mounting groove. According to the student dormitory information management and acquisition device, the fingerprint sensing regions are placed in the second mounting groove, the fingerprint sensing regions are prevented from being interfered by external dust and water vapor, hot air in the first mounting groove can be pumped out under the action of an exhaust fan arranged on one side in the first mounting groove, blow-drying is conducted by means of the hot air, and the fingerprint collection failure is avoided.

The invention provides a using method of an intelligent meal selling robot based on machine vision. The using method comprises the steps that a dining car slowly moves back and forth on a student dormitory building, the dining car automatically stops when it is detected that someone exists, and a student can select a needed meal on a touch screen; a mechanical arm obtains information and performs image recognition on the meal to obtain a color image and depth; the area where a target object is located is segmented, and the target object is identified; the pose of the identified target object is obtained; motion planning is carried out according to the pose; the target meal is grabbed according to the motion planning; the grabbed meal is placed on a dinner plate to be weighed, the price is calculated, and an external display screen displays the price and a two-dimensional code to wait for payment; and after payment is completed, a valve on the dining car is opened to send out the meal. According to the using method of the intelligent meal selling robot based on machine vision, the mechanical arm has high identification accuracy and pose information estimation precision, intelligent operation is achieved according to image recognition and remote control, the using method can further cope with a complex working environment, and the using method is very convenient in the using process.

The invention discloses a desk for a student dormitory. The desk comprises a transverse plate, the two ends of the transverse plate are connected with mounting vertical plates, at least two connectingrods are arranged on the mounting vertical plate, hoops are arranged on the connecting rods, a desk plate is hinged to the transverse plate through a hinge, a through hole is formed in the desk plate, a clamping plate is connected between two opposite inner walls of the through hole, clamping grooves are formed in the clamping plate at equal intervals, a movable plate is hinged to the desk plate,a U-shaped clamping rod is hinged to the bottom of the movable plate, two fixed seats are mounted at the bottom of the desk plate, a U-shaped seat is arranged on the fixed seat, sleeves are hinged inU-shaped grooves of the two U-shaped seats, lifting legs are installed in the two sleeves, and a supporting column is connected between the two lifting legs. Compared with the prior art, the desk hasthe advantages that the desk can be fixed to a bed, folding is convenient, and the angle of a desk top is adjustable.

The invention discloses an intelligent campus life and management system based on biological feature recognition, and belongs to the technical field of campus management. The system comprises a central data storage module, an identity input system module, an account management module, a book management module, a student dormitory management module, a foreign personnel management module, a classroom attendance module and other use modules. Wherein the identity input system module, the account management module, the book management module, the student dormitory management module, the foreign personnel management module, the classroom attendance module and the other use modules are wirelessly connected with the central data storage module through respective sub-wireless data transmitters. School personnel are fundamentally separated from the campus IC card, and the identity is recognized through biological characteristics, so that campus management and daily life of the school personnel are facilitated to a certain extent.

The invention provides an intelligent dormitory selection method. The intelligent dormitory selection method comprises the following steps: (1) completing preliminary information investigation and collection; (2) determining a dating relationship; (3) establishing a dormitory 3D image; (4) establishing a virtual dormitory; (5) automatically distributing; building dormitory. According to the invention, students can carry out scientific dormitory selection; reducing school management costs, friction and contradictory conflicts among house friends can be reduced; the communication capability between students is improved; improving dormitory comfort, a user can apply for entering and exiting the dormitory and checking the dormitory state in real time; the method and the system solve the contradiction problem of dormitory allocation and dwelling friend, save the dormitory exchange cost of schools, take improvement of the comfort level of student dormitories as the core essentials, take people as the basis, create values for school dormitory allocation, student dormitory selection and dwelling friend relationship processing, and have wide practicability in the field of student dormitoryallocation.

The invention discloses a water boiler with a protection function for a student dormitory building, and relates to the technical field of water supply devices. The water boiler with the protection function for the student dormitory building comprises a machine body, two faucets are arranged on the front face of the machine body, a fixing plate is fixedly connected to the top of the front face of the machine body, steam treatment mechanisms are fixedly installed on the left side and the right side of the bottom of the fixing plate, a water collecting tank is formed in the front side of the upper surface of the machine body, an opening and closing plate penetrating through the inner front wall of the water collecting tank is hinged to the bottom of the front face of the machine body, and ananti-overflow splash-proof mechanism is arranged in the water collecting tank. According to the water boiler with the protection function for the student dormitory building, in the using process, thesteam treatment mechanisms cooperate with the anti-overflow splash-proof mechanism, so that the personal safety of a user is effectively guaranteed, the situations of steam burn and splash scald are fully avoided; and meanwhile, when the anti-overflow splash-proof mechanism carries out collection on an overflowed water body, the overflowed water body is mixed with a water body discharged after being condensed by the steam treatment mechanisms.

The invention discloses an umbrella rack used in a student dormitory. The umbrella rack comprises a water collector, a vertical rod, a cross bar, hanging buckles and a water absorbing sponge; a connecting block is fixedly connected to an inner chamber of the water collector; the connecting block is provided with a screwed hole; the bottom end of the vertical rod is connected to the connecting block in a threaded mode; the top end of the vertical rod is hinged to the cross bar; multiple hanging buckles are connected to the cross bar; the water absorbing sponge is installed in the inner chamberof the water collector; the hanging buckle comprises a body; an upper end and a lower end of the body are bent at 90 DEG to form an upper folding edge and a lower folding edge which are bent in the opposite direction; an end of the upper folding edge is bent downwards at 90 DEG to form a spacing edge; a hanging chamber is formed between the spacing edge and the body; the spacing edge is provided with a screwed hole; a hanging groove is installed on a lower folding edge. The invention has simple structure, good use effect, convenient loading and unloading, small occupied space and good storageeffect.

The invention discloses a dormitory sleep checking intelligent attendance checking device and method based on artificial intelligence, and the device comprises a dormitory monitoring assembly which isused for monitoring the attendance checking condition of a student dormitory, an information receiving and transmitting assembly which is installed in a dormitory corridor, is connected to the outputend of the dormitory monitoring assembly, and is used for transmitting processing information, and a terminal monitoring assembly which is arranged at the accommodation management part, is connectedto the output end of the information receiving and transmitting assembly and is used for facilitating the accommodation management part to check the attendance condition of students. The number of students detected by the human body infrared induction module is compared with the number of students who actively sign in, different people can be accurately and quickly found out, response can be madein time, the safety of students is improved, the labor intensity of related personnel is reduced through intelligent equipment attendance checking, the working efficiency is improved, and meanwhile, the situation of falsification is avoided, and the practicability is high.

The invention relates to the field of transferring of garbage and discloses a garbage transferring device applied to student dormitory management. The garbage transferring device comprises a transferring box, wherein the upper surface of the transferring box is fixedly connected with a top cover; the front end surface of the transferring box is rotatably connected with a turning door through a hinge; a pouring opening is formed in the front end surface of the turning door; a cover opening mechanism is mounted on the back of the turning door; the front end surface of the turning door is fixedlyconnected with two human body infrared sensors which are symmetrically distributed; the upper surface of the top cover is fixedly connected with a cylinder; and the output end of the cylinder passesthrough the inner wall of the top cover and is fixedly connected with a pressing plate through bolts. According to the garbage transferring device applied to student dormitory management, the human body infrared sensors are arranged on the transferring box; when one person enters an infrared induction area, the pouring opening of the transferring box is automatically opened, so that garbage pouring workers can pour the garbage by not touching garbage cans; the damage of bacteria and stains to students can be reduced; and the safety performance of the device is improved.

The invention relates to the technical field of communication. The invention relates to a management and control method for restricting students from surfing the Internet. Network speed management andcontrol are carried out through PCRF, the network speed is controlled to be below a specified threshold of a school, meanwhile, limitation on specified personnel is relieved in combination with whitelist setting, a student dormitory area is covered with a special community, and therefore student users are effectively controlled to surf the Internet in the specified time and area. According to the management and control mode, network speed limitation is only carried out on specific areas, specific time and specific crowds, so that students can hardly surf the Internet for entertainment, the functions of making calls, sending short messages and the like by using mobile phones are not influenced, and the situation that the students cannot call for help in case of accidents is avoided.

The invention discloses a student dormitory power utilization monitoring method and device which are applied to service equipment of a student dormitory power utilization monitoring system; the powerutilization monitoring system further comprises a plurality of power sensors and a plurality of timers; the method comprises the steps: starting a target timer corresponding to a first student dormitory when it is detected that power utilization of the first student dormitory is abnormal; when the timing duration of the target timer is greater than or equal to the preset duration, obtaining a first total power consumption abnormality frequency of the first student dormitory; determining a power-off evaluation value of the first student dormitory based on the power utilization power, the firsttotal power utilization abnormality frequency and the timing duration; and when the power-off evaluation value is greater than or equal to the target threshold, performing power-off processing on thefirst student dormitory. By adopting the embodiment of the invention, students can be prevented from using high-power electric appliances in a dormitory, and the accident occurrence probability of thedormitory is reduced.

The invention provides a garbage transfer device for student dormitory management, and relates to the technical field of garbage transfer. The garbage transfer device for student dormitory management comprises a base, a transfer box body is fixedly arranged at the upper end of the base, two box doors are rotationally connected to the front end of the transfer box body through rotating hinges, and embedded handles are fixedly arranged in the middles of the sides, close to each other, of the two box doors; and observation windows are fixedly arranged at the upper ends of the two box doors correspondingly, and a central baffle is fixedly arranged in the middle of the interior of the transfer box body. According to the garbage transfer device for student dormitory management, recoverable garbage and unrecoverable garbage can be put in a classified mode, the garbage putting effect is better, the garbage can be dumped without making contact with a sealing cover of a garbage can by students, harm of bacteria and stains to the students is reduced, and the safety of the students is improved. And the garbage disposal personnel can conveniently transfer and dump the garbage.

The invention relates to the technical field of logistics management, and discloses a college logistics management system based on the Internet of Things, which comprises a logistics control management system, and the logistics control management system is in signal connection with an announcement management module. According to the college logistics management system based on the Internet of Things, by arranging the accommodation resource statistical system, the check-in management system, the check-out management system and the dormitory exchange management system, the resource condition of the student dormitory can be counted in detail, so that the student dormitory resources can be timely replenished; meanwhile, check-in, check-out and exchange conditions of students can be inquired and recorded, management is facilitated; by arranging a smoke detector, a temperature detector and an alarm, the smoke detector can detect smoke, the temperature detector can detect sharp temperature rise, fire disasters are prevented, and unnecessary injuries are avoided; meanwhile, under the induction of the smoke detector and the temperature detector, the alarm can give an alarm immediately.

The invention relates to combined type sports training equipment for a student dormitory. The equipment comprises a bed board, four bed legs, two bar frames and a railing board; the rear side face ofthe bed board fits the wall and is fixed to the wall, a ladder component is fixedly connected to the portion, corresponding to the head end, of the front side of the bed board, a leg training device located above the bed board is fixed to the wall, a vertical column is fixed to the tail end of the bed board, a lifting sleeve capable of sliding vertically sleeves the vertical column, and a chinningbar is rotationally connected to the lifting sleeve by overturning vertically. Accordingly, on the one hand, the ladder component can serve as a ladder to use so as to climb a bed conveniently; on the other hand, the ladder component can be adjusted to serve as a sport equipment ladder to use so as to conduct sports training such as handstand conveniently; by means of the leg training device, a person can lie on the bed to conduct leg vertical bending weightlifting and left-right swing slit training; the chinning bar can be used for conducting chinning sports training, the height of the chinning bar can be adjusted vertically, and the equipment is suitable for users with different heights to use for training.

The invention discloses an intelligent dormitory management system which comprises a client, a server and a database. The client side is used for inputting accommodation management requests and student data and checking an audit result and a check-in result, and the accommodation management requests comprise a check-in request, a check-out request and a transfer request; the server is used for receiving an accommodation management request and student data, auditing the student data, processing the student data according to an auditing result and the accommodation management request, and updating student dormitory data according to a processing result, and the student dormitory data is student check-in condition data in different dormitories; and the database is used for storing the student dormitory data and updating the student dormitory data. According to the invention, a school can conveniently manage a dormitory system, and a convenient and rapid management mode can be provided for dormitory management.

The invention discloses an intelligent dormitory management system, including a client, a server and a database; the client is used for inputting accommodation management requests and student data, and checking audit results and check-in results, wherein the accommodation management requests include check-in requests, Dorm withdrawal request and transfer request; the server is used to receive accommodation management requests and student data, review the student data, process the student data according to the review results and the accommodation management request, and update the student dormitory data according to the processing results. The student dormitory data is data on the occupancy of students in different dormitories; the database is used to store the student dormitory data and update the student dormitory data. The present invention is convenient for schools to manage the dormitory system, and can provide a convenient and quick management method for the dormitory management.

This application discloses a method and device for monitoring electricity consumption in student dormitories, which is applied to the service equipment of the electricity consumption monitoring system for student dormitories. The electricity consumption monitoring system also includes multiple power sensors and multiple timers. The method includes: when the first When the power consumption of a student dormitory is abnormal, start the target timer corresponding to the first student dormitory; when the timing duration of the target timer is greater than or equal to the preset duration, obtain the first total number of abnormal power consumption of the first student dormitory; The electric power, the first total number of abnormal power consumption and the timing duration determine the power outage evaluation value of the first student dormitory; when the power outage evaluation value is greater than or equal to the target threshold, the first student dormitory is powered off. Adopting the embodiment of the present application can prevent students from using high-power electrical appliances in the dormitory, and reduce the probability of accidents in the dormitory.

The invention provides an intelligent power control method based on face recognition, and the method comprises the steps: inputting student information corresponding to each dormitory in a face and student information base, carrying out the control of a circuit in a building through a face recognition device and a circuit control device when a student enters and exits from a dormitory hall, and when the student enters the dormitory hall, enabling the face recognition device to recognize the information of the student, enabling a circuit control module to turn on the switch of the correspondingpower supply in the student dormitory, and when the student leaves the dormitory hall, enabling the face recognition device to recognize the information of the student and the circuit control moduleto turn off the corresponding switch. The method can solve a problem of power utilization safety of students in a campus dormitory area, power supply positions needed by the students can be determinedaccurately, and a power supply can be cut off timely when the students leave the dormitory, thereby guaranteeing the circuit safety management when there is no one in the dormitory.

The invention discloses a system architecture based on student dormitory passageway system and a system data synchronization method. The system adopts a Client / Server architecture which is divided into three layers, and comprises a central server, wherein the central server is bi-directionally connected with a plurality of auxiliary central servers, and each auxiliary central server is bi-directionally connected with at least one client; and the central server further is connected with the client. The client adopts an embedded apparatus as a C / S system client so as to save the system cost and save the resource. With the three-layer system architecture, when the visit capacity of the central server reaches a certain limit, partial visit capacity is branched to the auxiliary central servers so that the load of the central server is effectively reduced; the decider of a client data synchronization policy is handed over to the central server by a client synchronizer so that the synchronous program function of the client is simplified without modification; therefore, the work efficiency is improved, and the work of developer is simplified.

The invention relates to a socket, in particular to a socket capable of realizing a mobile phone storage function and used for a student dormitory. The socket capable of realizing the mobile phone storage function and used for the student dormitory is small in size, convenient to carry and capable of being continuously stacked. The socket comprises a mounting frame, a hand pulling block, a limiting plate, a position clamping mechanism, a clamping mechanism and the like, hand pulling blocks are arranged on the left and right sides of the front wall of the mounting frame; the limiting plate is arranged on the rear side of the mounting frame; the position clamping mechanism is arranged on the limiting plate; and the clamping mechanism is arranged on the inner side of the mounting frame. According to the socket of the invention, a first wedge-shaped block is in contact with the socket with a power supply again, and the first wedge-shaped block fixes the socket with the power supply, so that equipment is prevented from falling off in the use process, and the fixing and clamping effect of the first wedge-shaped block is realized.

The invention relates to the technical field of daily necessities and particularly relates to an assembled mosquito net for a student dormitory. A mosquito net erected above a bed surface occupies indoor space, affects indoor comfort, permeability, ventilation, light transmission and the like, and sometimes affects convenience of activities. An assembled mosquito net for a student dormitory comprises a mosquito net part and a rolling part, wherein four separated mosquito net vertical faces are connected through magnetic strips, a top face which is divided into two parts is connected into a complete top face through magnetic strips, the top face is connected with two long vertical faces together to facilitate rolling, and the top face is connected with two short vertical faces through magnetic strips to facilitate rolling; and four winding devices wind the four vertical face parts respectively. After the mosquito net is rolled up, the mosquito net is equivalent to be invisible in an activity sight range, the indoor space is released, and ventilation, light transmission and indoor activity comfort are enhanced.

The invention discloses a tap water saving device for a student dormitory. The device comprises a wash stand, a support column, a faucet, a knob, a first water guide pipe, a filtering tank, a water storing tank, a second water guide pipe, a water storage tank, a squat toilet, a first filter plate, a first drive motor, a first rotating shaft, agitating blades, a second drive motor, a second rotating shaft, a crushing knife group, a second filter plate, an active carbon layer, a fixed plate, connecting columns, a U-shaped tube, through holes, an ozone generator, a first drainage port, a second drainage port, a main drainage port, a water blocking plug, an inductor, a water inlet pipe, an operation panel, a display screen, operating buttons, an alarm, a flowmeter and a valve, wherein the washstand is arranged at the top of the support column; the main drainage port is arranged in the middle of the inner wall of the wash stand; the first drainage port is arranged in one side of the main drainage port; and the second drainage port is arranged in the other side of the main drainage port. According to the device, the filtration and disinfection treatment can be carried out on sewage generated after use, and the tap water saving effect is good.

The invention discloses an adjustable folding crawling ladder for a student dormitory. The adjustable folding crawling ladder for the student dormitory comprises a hand rail, a folding cabin and a rotating shaft, wherein a fixing plate is connected to the lower side of the hand rail; a connecting shaft is connected to the left side of a communicating opening; an adjusting handle is connected to the left side of the rotating shaft; folding ladder rods are connected to the lower side of the folding cabin; sliding chains are connected inside the folding ladder rods; a foot rack is connected to the left sides of the folding ladder rods; detachable ladder rods are connected to the lower side of the foot rack; connecting bolts are connected inside the detachable ladder rods; and rivets are connected to the right sides of the connecting bolts. Compared with an existing common crawling ladder, the novel adjustable folding crawling ladder for the student dormitory has the advantages that the crawling ladder can be adjusted according to requirements of students; the crawling ladder can be dismounted or folded, so that the space inside the dormitory is increased; the crawling ladder can be more conveniently installed; and time and labor are saved.

The invention discloses a combined bed, wall cabinet and desk assembly for a student hostel, which mainly comprises a wall cabinet (1), a combined bed, a bookcase (3) and a desk (5), wherein the wall cabinet (1) is divided into left, middle and right cabinets and is positioned above the combined bed; a bed board (12) is paved above a bed frame (11) of the combined bed; an anti-falling guardrail (13) is arranged outside a bed edge of the bed frame (11); the bed frame (11) is also provided with a bedside clapboard (2); a drawer (4) with a lock is arranged on the left below the bed board (12); abox cabinet (6) is arranged below the drawer (4); a bookshelf (9) is arranged in the middle below the bed board (12) from top to bottom; the bookshelf (9) is divided into a shoe cabinet (8) and a pedal (7) from top to bottom; the pedal (7) is drawable; a garderobe (10) is arranged on the right below the bed board (12); the garderobe (10) is provided with two doors; the bookcase (3) is divided into four layers from top to bottom by clapboards; and the desk (5) with the drawer with the lock is arranged below the bookcase (3) and above one side of the bedside clapboard (2). The bed board of the combined bed is at a short distance from the ground and is also provided with the drawable pedal, so that a user can conveniently go to bed and get out of the bed and the sleeping safety is guaranteed; the combined bed, wall cabinet and desk assembly has a reasonable space layout, a compact structure and a function of providing convenience for sleeping, studying, object storing and the like; and astudy zone and a sleeping rest zone are effectively separated, so that the dynamic-static separation is realized.

The invention relates to a bed, in particular to a multifunctional bed for a student dormitory. Mainly provides a step type multifunctional bed for student dormitories, which is convenient for getting in and out of the bed, automatically cleans used steps, is provided with a pull type bed curtain, and ensures the sleeping quality of students. A multifunctional bed for a student dormitory comprises a bed frame, a bed board, first springs, telescopic rods, first limiting rods and first movable rods, a plurality of steps are arranged on one side of the bed frame, the bed board is arranged at the top of the bed frame in a sliding mode, the first springs are connected between the bottom of the bed board and the bed frame, and the telescopic rods are symmetrically arranged on one side of the top of the bed frame. A first limiting rod is connected between the telescopic ends of the telescopic rods, and first movable rods are arranged on the two sides of the first limiting rod in a sliding mode. The first clamping blocks are driven to not clamp the first movable rods any more, the first movable rods move outwards under reset force, a fence is formed on the front side of the bed frame, and the human body is prevented from falling off accidentally.