CN112190410A

CN112190410A - STM 32-based medical electric sickbed

Info

Publication number: CN112190410A
Application number: CN202011125757.5A
Authority: CN
Inventors: 李华京; 陈禹伸
Original assignee: Bellier Technology Development Nanjing Co ltd; Yingzhi Medical Technology Nanjing Co ltd; Leiton Future Research Institution Jiangsu Co Ltd
Current assignee: Bellier Technology Development Nanjing Co ltd; Yingzhi Medical Technology Nanjing Co ltd; Leiton Future Research Institution Jiangsu Co Ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-01-08
Also published as: WO2022082842A1

Abstract

The utility model provides a based on medical electric hospital bed of STM32, includes supporting baseplate, middle part fagging, supports top frame and bed board, installation STM32 series chip sensing subassembly, two sets of in the fagging of middle part all install lead screw (23) in first spout (21) and second spout (22), realized the upset of bed board height, horizontal angle and bed board both ends waist extension board and shank extension board and adjusted, satisfied different user demands, improved the functionality of using.

Description

STM 32-based medical electric sickbed

Technical Field

The invention belongs to the technical field of medical equipment, and particularly relates to a medical electric sickbed based on STM 32.

Background

China has entered the line of population-aging countries earlier by 10 months in 1999 and continues to grow at a rate of 3.32% per year. According to the statistical data, about 79.1% of the old have at least one or more chronic diseases, the self-care ability of the old is weakened, and the dependence on families, communities and governments is increased. The concern of family nursing to the old is gradually weakened, and the difficulty of nursing the old and the disabled is increased objectively.

Medical care instruments have more and more high and new technology content, and the requirements on new processes, new designs and new materials are higher and higher. The multifunctional nursing bed is high in cost, the development of domestic nursing beds can not meet actual requirements, and the reasons that the functions are single, the automation degree is low and the like are one of the reasons that the existing multifunctional nursing beds cannot be popularized in a large scale.

The nursing bed is a sickbed used by a patient who is inconvenient to move in hospital or in home nursing, is a more comfortable electric sickbed which is convenient for medical care personnel to recover, has a nursing effect, and can promote the alleviation and recovery of the state of an illness of the patient.

The sick bed that present hospital used mostly is hand sick bed, and patient if needs adjustment sick bed height, still need other people's help, and patient is very restricted, and the electronic sick bed of minority accessible electric control simultaneously, its in-process of using, the function is simple, at the in-process of nursing application, awkward problem appears easily to influence the effect of nursing use.

For this reason, the team of the present invention proposes a series of solutions in order to improve the intelligence degree of electric hospital beds, such as CN106137612A, CN106137614A, CN106074043A, CN105997396A, CN105997397A, CN106137613A, CN106176085A, CN106176093A, CN106074040A, CN106137605A, CN105997398A, CN106074035A, CN105997391A, CN106137604A, CN106074046A, CN106074045A, CN106074041A, CN106137615A, CN106137621A, CN106074042A, CN106074049A, CN106074048A, CN106137619A, CN106137620A, CN106074047A, CN106020069A, CN106176094A, CN105997392A, CN106137618A, CN106074036A, CN106137617A, CN106137616A, CN106137606A, CN106074044A, and CN 106667684A. The intellectualization of the electric sickbed is realized by adopting single-core or dual-core, single-wheel, double-wheel and four-wheel drive. The contents of which are incorporated herein by reference.

Disclosure of Invention

In view of the technical problems in the prior art, the invention aims to provide a medical electric sickbed based on STM32, which is simple in structure and low in cost, so that inconvenience in the patient nursing process is solved, and each electric sickbed can meet the requirements of different patients to the maximum extent.

In order to achieve the purpose, the invention provides the following technical scheme: a medical electric sickbed based on STM comprises a supporting bottom plate, a middle supporting plate, a supporting top frame and a bed plate, wherein vertically arranged first electric push rods are fixedly mounted at four corners of the upper end surface of the supporting bottom plate, the middle supporting plate is positioned right above the supporting bottom plate, a first motor is mounted in the middle of the top end surface of the middle supporting plate, two groups of first sliding grooves and two groups of second sliding grooves are symmetrically formed in two sides of the top end surface of the middle supporting plate, a second motor and a third motor are mounted on the outer side of the middle supporting plate, four corners of the middle supporting plate are fixedly sleeved on piston rods of the four groups of first electric push rods, the top ends of the piston rods of the four groups of first electric push rods are fixedly connected with four corners of the bottom end surface of the supporting top frame, and the bed plate is horizontally arranged on the supporting top frame; an STM32 series chip sensing assembly (STM32 series chip controller), a lithium iron battery, a triaxial quartz accelerometer, a head servo circuit, a waist servo circuit and a leg servo circuit are arranged in the middle supporting plate, the lithium iron battery is electrically connected with the chip sensing assembly, the triaxial quartz accelerometer, the first motor, the second motor and the third motor, and the first motor, the second motor and the third motor are connected in parallel;

the lead screws are installed in the first sliding grooves and the second sliding grooves, sliding plates are sleeved on each group of lead screws, the sliding plates on the two groups of first sliding grooves are hinged to first turning rods arranged in the supporting top frame through first inclined push rods, and the sliding plates on the two groups of second sliding grooves are hinged to second turning rods arranged in the supporting top frame through second inclined push rods.

Preferably, the bed board comprises a fixed support plate positioned in the middle, and a leg support rod and a waist support plate positioned on two sides, wherein one end of the leg support plate and one end of the waist support plate are respectively hinged with two ends of the fixed support plate, and the bottom end of the fixed support plate is fixedly connected with an output shaft of the first motor.

Preferably, one side that the up end of shank extension board is close to fixed extension board is seted up the logical groove that vertically link up between two parties, and leads to the inslot and install the table of adaptation, the draw-in groove has been seted up to the both sides wall that leads to the groove symmetry, there is the card strip that protrudes the table outside the both sides face of table through spring coupling, just the vertical cross-section of card strip is the right trapezoid structure to coincide in the draw-in groove.

Preferably, a groove is formed in the top end face of the waist support plate in the middle, a back cushion matched with the groove is arranged in the groove in a sliding mode, a bottom frame is fixed to the bottom end face of the waist support plate on the outer side of the groove, and four groups of third electric push rods which are fixedly connected with the bottom end of the back cushion and drive the back cushion to stretch are arranged in the bottom frame.

Preferably, bottom holes are drilled at four corners of the bottom end face of the table plate, and the top ends of the piston rods of the middle support right below the table plate are matched with the bottom holes.

Preferably, the supporting top frame is composed of two groups of top plates arranged in parallel and a group of connecting rods connected between the two groups of top plates, wherein two sides of the bottom end face of each group of top plates are fixedly connected with a group of first electric push rods respectively, the middle parts of the connecting rods are disc-shaped, and through holes for the first motor output shafts to penetrate through are drilled in the connecting rods.

Preferably, two sets of first turning rod and two sets of the second turning rod is articulated respectively and is installed in the side department of connecting rod both sides, and two sets of first turning rod and two sets of the bottom of second turning rod is close to the junction and the top of slide all installs the otic placode, the both ends of first diagonal push rod and second diagonal push rod articulate respectively in the otic placode that corresponds.

Preferably, the middle of middle part fagging is inside still to be equipped with two sets of transmission cavities, and wherein the both ends of two sets of first lead screws and two sets of second lead screws insert two sets of transmission cavities respectively and fixed the cup joint worm wheel, and the worm wheel on two sets of first lead screws meshes in the transmission cavity and has connect a set of first worm, and the worm wheel on two sets of second lead screws meshes in another set of transmission cavity and has connect a set of second worm, just first worm is connected with the second motor drive, the second worm is connected with the third motor drive.

Preferably, when the patient lies on the bed board, control the operation of each equipment through remote control unit, when the height of bed board need go up and down to adjust, through STM32 series chip sensing component (STM32 series chip controller) drive control, start first electric push rod is flexible, first electric push rod drives the regulation of supporting top frame and bed board height when flexible, when needs bed board horizontal rotation, starts first motor rotates, rotates by first motor and drives the bed board rotatory on supporting the top frame, rotates horizontal angle, when needs are to the upset of bed board both ends waist extension board and shank extension board, starts second motor or third motor, and when second motor and third motor rotated, can start corresponding second worm and first worm and rotate, when first worm and second worm rotated, through the rotation that the worm wheel drove the lead screw respectively, when the screw rod rotates, the adjusting sliding plate moves towards the first motor, and when the sliding plate moves, the first turnover rod or the second turnover rod is driven to turn upwards through the first oblique push rod and the second oblique push rod, so that the waist supporting plate or the leg supporting plate is turned over on one side of the fixed supporting plate, and the angle adjustment of the waist supporting plate or the leg supporting plate is realized.

Preferably, in the process of overturning the waist support plate, the stretching of a third electric push rod below the back cushion is started, the stretching of the backup plate is adjusted, and when the leg support plate is horizontal, the second electric push rod is started to stretch, so that the table plate is ejected out of the leg support plate.

According to the STM 32-based medical electric sickbed, the supporting bottom plate, the middle supporting plate, the supporting top frame and the bed plate are arranged, wherein the supporting top frame and the bed plate are lifted through the first electric push rod, the height of the bed plate is adjusted, the bed plate is connected with the first motor on the middle supporting plate in a matched mode, the supporting top frame can rotate, and the convenience of the bed plate in use is improved by adjusting the horizontal angle of the bed plate; in addition the bed board is by fixed extension board, waist extension board and shank extension board are constituteed, and the upset of fixed extension board can all be followed with the shank extension board to the waist extension board, and the first pole that turns over that the cooperation below set up, the second turns over the pole, first oblique push rod, the lead screw that sets up on second oblique push rod and the middle part fagging, a slide, second motor and third motor, the automatic rotation regulation to waist extension board and shank extension board has been realized, when further satisfying the use convenience, still can not influence the horizontal rotation of bed board, and set up table and backup plate on waist extension board and the shank extension board respectively, when conveniently overturning, can also realize the multifunctionality.

According to the STM 32-based medical electric sickbed, the lead screws are arranged in the two groups of first chutes and the two groups of second chutes, and each group of lead screws is sleeved with the sliding plate, wherein the sliding plates on the two groups of first chutes are hinged with the first turning rod arranged in the supporting top frame through the first inclined push rod, the sliding plates on the two groups of second chutes are hinged with the second turning rod arranged in the supporting top frame through the second inclined push rod, and the head servo control, the leg servo control and the medicine servo control can be realized very stably by matching with an STM32 series chip controller, a three-axis quartz accelerometer, a head servo circuit, a waist servo circuit and a leg servo circuit, so that the medical electric sickbed can well meet the requirements of lifting the head of a patient or lifting the upper half of the patient and the legs or the lower half of the patient, and the patient can reach the waist support plate and the leg support plate of the sickbed through keys, greatly improving the intelligent degree and safety of nursing.

Drawings

Fig. 1 is a front view of an STM 32-based medical electric hospital bed according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a bed plate of an STM 32-based medical electric hospital bed according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a middle supporting plate of an STM 32-based medical electric sickbed according to an embodiment of the invention;

FIG. 4 is a structural schematic diagram of a supporting top frame of an STM 32-based medical electric sickbed according to an embodiment of the invention;

fig. 5 is a structural schematic diagram of a medical electric hospital bed based on STM32 according to an embodiment of the present invention when a bed board and a table board are separated;

fig. 6 is a cross-sectional view of a middle supporting plate of an STM 32-based medical electric sickbed according to an embodiment of the invention.

In the figure: 1. a support base plate; 2. a first electric push rod; 3. a middle supporting plate; 4. supporting the top frame; 5. a bed board; 6. a first inclined push rod; 7. a second slanted push rod; 8. a second electric push rod; 9. a first motor; 10. a bottom frame; 11. a second motor; 12. a third motor; 13. a leg support plate; 14. fixing a support plate; 15. a lumbar support plate; 16. a table plate; 17. back cushion; 18. a connecting rod; 19. a first turning bar; 20. a second turning bar; 21. a first chute; 22. a second chute; 23. a lead screw; 24. a slide plate; 25. an ear plate; 26. a through groove; 27. a card slot; 28. clamping the strip; 29. a bottom hole; 30. a transmission concave cavity; 31. a first worm; 32. a second worm.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown and described, it being understood that the examples are given by way of illustration only and that the invention is not limited to the specific embodiments shown.

As shown in figures 1-6, the STM 32-based medical electric sickbed of the invention comprises a supporting bottom plate 1, a middle supporting plate 3, a supporting top frame 4 and a bed plate 5, the four corners of the upper end surface of the supporting bottom plate 1 are fixedly provided with vertically arranged first electric push rods 2, the middle supporting plate 3 is positioned right above the supporting bottom plate 1, a first motor 9 is arranged in the middle of the top end surface of the middle supporting plate 3, two groups of first sliding grooves 21 and two groups of second sliding grooves 22 are symmetrically arranged on two sides of the top end surface of the middle supporting plate 3, a second motor 11 and a third motor 12 are arranged on the outer side of the middle supporting plate 3, four corners of the middle supporting plate 3 are fixedly sleeved on piston rods of four groups of first electric push rods 2, the top ends of the piston rods of the four groups of first electric push rods 2 are fixedly connected with four corners of the bottom end surface of the supporting top frame 4, the bed board 5 is horizontally arranged on the supporting top frame 4 and is fixedly connected with an output shaft of a first motor 9 on the middle supporting plate 3.

As shown in fig. 1, two sets of the first sliding grooves 21 and the second sliding grooves 22 are internally provided with a screw rod 23, and each set of the screw rod 23 is sleeved with a sliding plate 24, wherein the sliding plates 24 on the two sets of the first sliding grooves 21 are hinged to a first turning rod 19 arranged in the supporting top frame 4 through a first inclined push rod 6, and the sliding plates 24 on the two sets of the second sliding grooves 22 are hinged to a second turning rod 20 arranged in the supporting top frame 4 through a second inclined push rod 7.

As shown in fig. 2, the bed plate 5 includes a fixing support plate 14 in the middle, and leg support plates and a waist support plate 15 at both sides, wherein one ends of the leg support plate 13 and the waist support plate 15 are respectively hinged to both ends of the fixing support plate 14, and the bottom end of the fixing support plate 14 is fixedly connected to the output shaft of the first motor 9, so as to realize the turning of the leg support plate 14 and the waist support plate 15 at one side of the fixing support plate 14, and meet the turning requirement in use.

A groove is formed in the center of the top end face of the waist support plate 15, a back cushion 17 matched with the groove is arranged in the groove in a sliding mode, a bottom frame 10 is fixed on the bottom end face of the waist support plate 15 on the outer side of the groove, and four groups of third electric push rods (not shown) which are fixedly connected with the bottom ends of the back cushions 17 and drive the back cushions 17 to stretch are arranged in the bottom frame 10.

As shown in fig. 4, the supporting top frame 4 is composed of two sets of top plates arranged in parallel and a set of connecting rod 18 connecting the middle of the two sets of top plates, wherein two sides of the bottom end surface of each set of top plates are respectively and fixedly connected with a set of first electric push rods 2, the middle part of the connecting rod 18 is in a disc shape, and a through hole for the output shaft of the first motor 9 to pass through is drilled for supporting the bed board 5.

Two sets of first pole 19 and two sets of second pole 20 is articulated respectively and is installed in the side department of connecting rod 18 both sides, and two sets of first pole 19 and two sets of the bottom of second pole 20 is close to junction and slide 24's top and all installs otic placode 25 (see fig. 3), and the otic placode 25 that is located connecting rod 18 department is sheltered from, can refer to the setting of otic placode 25 on the slide 24, first push rod 6 articulates respectively in the otic placode 25 that corresponds with the both ends of second push rod 7 to one side.

As shown in fig. 5, a through groove 26 is formed in the middle of one side of the upper end surface of the leg support plate 13 close to the fixing support plate 14, an adaptive table 16 is installed in the through groove 26, two symmetrical side walls of the through groove 26 are provided with clamping grooves 27, two side surfaces of the table 16 are connected with clamping strips 28 protruding out of the table 16 through springs, the springs are not shown in the figure and located inside the table 16, the clamping strips 28 can be matched in the table 16 through extruding the springs when being compressed, the vertical cross sections of the clamping strips 28 are in a right trapezoid structure and matched in the clamping grooves 27, and therefore the table 16 can be ejected out of the through groove 26 through force.

Bottom holes 29 are drilled at four corners of the bottom end face of the table plate 16, four groups of second electric push rods 8 arranged in a rectangular array are fixedly mounted on the middle supporting plate 3 right below the table plate 16, and the top ends of piston rods of the second electric push rods 8 are matched with the bottom holes 29.

As shown in fig. 6, two sets of transmission cavities 30 are further disposed inside the middle of the middle supporting plate 3, two ends of the left and right sets of lead screws 23 are respectively inserted into the two sets of transmission cavities 30 and fixedly sleeved with worm gears, the worm gear on one of the two sets of lead screws 23 is engaged with a set of first worm 31 in the transmission cavity 30, the worm gear on the other lead screw 23 is engaged with a set of second worm 32 in the other set of transmission cavity 30, the first worm 31 is in transmission connection with the second motor 11, the second worm 32 is in transmission connection with the third motor 12, the second motor 11 and the third motor 12 are both servo motors, an STM32 series chip controller is mounted in the middle supporting plate 3, and the electric elements are operated through the controller. A lithium iron battery, a triaxial quartz accelerometer, a head servo circuit, a waist servo circuit and a leg servo circuit are also arranged in the middle supporting plate 3, the lithium iron battery is electrically connected with the chip sensing assembly, the triaxial quartz accelerometer, the first motor, the second motor and the third motor, and the first motor, the second motor and the third motor are connected in parallel; the first electric push rod 2, the second electric push rod 8, the first oblique push rod 6 and the second oblique push rod 7 can be controlled by the chip controller or can be controlled by a separate control driver.

In another embodiment of the present invention, the chip controller may further adopt an ARM + FPGA as a control core for electrical control. For example, an ARM (STM32F407) + FPGA (A3P250) is adopted to form a control system, the FPGA (A3P250) is used as a processing core to realize synchronous servo control of three motors, the STM32F407 realizes real-time processing and storage of digital signals of various sensor signals, corresponds to various interrupt protection requests in real time, and realizes data communication with the FPGA (A3P 250).

In another embodiment of the invention, a plurality of universal wheels are mounted on the supporting base plate, and at the moment, a gyroscope is cooperatively arranged on the basis of the three-axis quartz accelerometer, the three-axis quartz accelerometer is adjusted to ensure the stability and the moving direction of movement, and meanwhile, magnetoelectric encoder sensors are matched with each other, and then acceleration, speed and displacement feedback are provided for multi-axis servo control, so that the safety and the accuracy of walking of the movable sickbed are ensured.

In an embodiment of the present invention, since the two sets of the first sliding chutes 21 and the second sliding chutes 22 are respectively installed with the screw rods 23, and each set of the screw rods 23 is sleeved with the sliding plate 24, the sliding plates 24 on the two sets of the first sliding chutes 21 are hinged to the first turning rod 19 arranged in the supporting top frame 4 through the first inclined push rod 6, and the sliding plates 24 on the two sets of the second sliding chutes 22 are hinged to the second turning rod 20 arranged in the supporting top frame 4 through the second inclined push rod 7. By matching with an STM32 series chip controller, a three-axis quartz accelerometer, a head servo circuit, a waist servo circuit and a leg servo circuit, the head servo control, the leg servo control and the medicine servo control can be realized very stably, the requirements of a patient on the head lifting or the upper half body lifting and the leg or lower half body lifting can be met well, the patient can reach the waist support plate 13 and the leg support plate 15 for lifting the sickbed through keys by himself, and the nursing intelligence degree and the nursing safety are greatly improved.

In an embodiment of the invention, a power assisting device can be additionally arranged on the electric push rod and the inclined push rod, because the electric sickbed adopts screw rod pushing and STM32 series chip controllers, the electric sickbed can stably and without generating pause and contusion of starting brake in the pushing process, and by additionally arranging the power assisting device, even if the sickbed is fatigued or the body of a nursing worker is weak, the sickbed can easily realize various actions of a patient, such as turning over, leg stretching, head raising and the like.

In one embodiment of the invention, a humidity detection system is also installed in the middle supporting plate 3, and when the patient defecates or the bed sheet is wet, the humidity detection system works to send a replacement request.

In an embodiment of the invention, an image acquisition component and an image processing component are further installed in the middle supporting plate 3, so that medical staff or family members of a patient can pay attention to the dynamic state of the patient in real time, and when the patient meets an emergency, the patient can remotely control the sickbed in time.

In one embodiment of the invention, in order to enable the sickbed to move out of the ward door freely, the STM32 series chip controller is connected with a navigation device, and the ward can realize real-time navigation and positioning during moving out of the ward.

In one embodiment of the invention, in order to realize the communication function, a wireless transmitting and receiving device is also connected, so that the real-time synchronization of the control systems of the hospital bed and the monitoring master station can be realized, and the monitoring master station can find the emergency and immediately perform remote operation processing.

In one embodiment of the invention, when the patient needs to lift the head or lift the upper half of the body, the head servo control part works to automatically lift the head of the bed body; when a patient needs to lift or put down the leg, the leg servo control part works to automatically lift the leg support plate 13 of the bed body; when the patient needs to rest, the bed body returns to the original state of the sickbed no matter the posture of the current electric sickbed as long as the recovery key is pressed.

In one embodiment of the invention, in order to make the stability and smooth the pause and frustration caused by frequent braking and starting in the moving or pushing process, the STM32 series chip adopts a dual-core control mode for real-time control.

When the medical electric sickbed based on the STM32 is used, after all parts are assembled, when a patient lies on a bed plate 5, the operation of all equipment can be controlled through remote control equipment, when the height of the bed plate 5 needs to be adjusted in a lifting way, the first electric push rod 2 is started to stretch through an STM32 series chip controller, the first electric push rod 2 drives the supporting top frame 4 and the bed plate 5 to adjust in height when stretching, meanwhile, when the bed plate 5 needs to horizontally rotate, the first motor 9 is started to rotate, the bed plate 5 is driven to rotate on the supporting top frame 4 through the rotation of the first motor 9, the horizontal angle is rotated, meanwhile, when the waist support plates 15 and the leg support plates 13 at the two ends of the bed plate 5 need to be turned over, the second motor 11 or the third motor 12 is started, when the second motor 11 and the third motor 12 rotate, the corresponding second worm 32 and the first worm 31 can be started to rotate, and when the first worm 31 and the second worm 32 rotate, the worm wheel drives the screw 23 to rotate respectively, when the screw 23 rotates, the adjusting sliding plate 24 moves towards the first motor 9, when the sliding plate 24 moves, the first inclined push rod 6 and the second inclined push rod 7 drive the first turnover rod 19 or the second turnover rod 20 to turn upwards, and further turn over the waist support plate 15 or the leg support plate 13 at one side of the fixed support plate 14, so that the angle of the waist support plate 15 or the leg support plate 13 is adjusted, the requirement of lying and leaning on is met, in the process of turning over the waist support plate 15, the stretching of a third electric push rod below the back cushion 17 can be started, the stretching of the leaning plate is adjusted, the lying and leaning on are more comfortable, when the leg support plate 13 is horizontal, the second electric push rod 8 can be started to stretch, the second electric push rod 8 stretches, the table 16 is ejected out from the leg support plate 13, and the table 16 can be ejected out for use.

In summary, the present invention has been described in detail with reference to the preferred embodiments, and it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the foregoing embodiments or equivalent substitutions for some technical features, and any modifications, equivalent substitutions, improvements and the like made without departing from the spirit and the spirit of the present invention shall fall within the protection scope of the present invention, which is defined by the appended claims.

Claims

1. The utility model provides a based on medical electric sickbed of STM32, includes supporting baseplate (1), middle part fagging (3), supports top frame (4) and bed board (5), its characterized in that: the four corners of the upper end face of the supporting base plate (1) are fixedly provided with vertically arranged first electric push rods (2), the middle supporting plate (3) is positioned right above the supporting base plate (1), the top end face of the middle supporting plate (3) is provided with a first motor (9) in the middle, two groups of first sliding grooves (21) and two groups of second sliding grooves (22) are symmetrically arranged on the two sides of the top end face of the middle supporting plate (3), the outer side of the middle supporting plate (3) is provided with a second motor (11) and a third motor (12), the four corners of the middle supporting plate (3) are fixedly sleeved on piston rods of the four groups of first electric push rods (2), the top ends of the piston rods of the four groups of first electric push rods (2) are fixedly connected with the four corners of the bottom end face of the supporting top frame (4), the bed plate (5) is horizontally arranged on the supporting top frame (4) and is fixedly connected with output shafts of the first motors (9), an STM32 series chip sensing assembly, a lithium iron battery, a three-axis quartz accelerometer, a head servo circuit, a waist servo circuit and a leg servo circuit are arranged in the middle supporting plate, the lithium iron battery is electrically connected with the chip sensing assembly, the three-axis quartz accelerometer, the first motor, the second motor and the third motor, and the first motor, the second motor and the third motor are connected in parallel;

lead screw (23) are all installed in two sets of first spout (21) and second spout (22), and all cup jointed slide (24) on every lead screw of group (23), wherein slide (24) on two sets of first spout (21) link to each other through first push rod (6) and the articulated first pole (19) that turn over that set up in supporting top frame (4), and slide (24) on two sets of second spout (22) are linked to each other through second push rod (7) and the articulated second pole (20) that turn over that set up in supporting top frame (4) are articulated.

2. An STM 32-based medical electric hospital bed according to claim 1, wherein: the bed board (5) comprises a fixed support plate (14) positioned in the middle, leg support plates and waist support plates (15) positioned on two sides, wherein one ends of the leg support plates (13) and the waist support plates (15) are hinged to two ends of the fixed support plate (14) respectively, and the bottom ends of the fixed support plates (14) are fixedly connected with an output shaft of the first motor (9).

3. An STM 32-based medical electric hospital bed according to claim 2, wherein: the utility model discloses a leg support plate, including leg support plate (13), one side that the up end of leg support plate (13) is close to fixed extension board (14) is seted up between two parties vertical logical groove (26) that link up, and installs table (16) of adaptation in leading to groove (26), draw-in groove (27) have been seted up to the both sides wall that leads to groove (26) symmetry, there is card strip (28) that bulges the table (16) outside both sides face of table (16) through spring coupling, just the vertical cross-section of card strip (28) is the right trapezoid structure to coincide in draw-in groove (27).

4. An STM 32-based medical electric hospital bed according to claim 2, wherein: the top end face of the waist support plate (15) is provided with a groove in the middle, a back cushion (17) matched with the groove is arranged in the groove in a sliding mode, a bottom frame (10) is fixed to the bottom end face of the waist support plate (15) on the outer side of the groove, and four groups of third electric push rods which are fixedly connected with the bottom end of the back cushion (17) and drive the back cushion (17) to stretch are installed in the bottom frame (10).

5. An STM 32-based medical electric hospital bed according to claim 3, wherein: bottom holes (29) are drilled at four corners of the bottom end face of the table plate (16), four groups of second electric push rods (8) arranged in a rectangular array are fixedly mounted on a middle supporting plate (3) right below the table plate (16), and the top ends of piston rods of the second electric push rods (8) are matched with the bottom holes (29).

6. An STM 32-based medical electric hospital bed according to claim 1, wherein: the supporting top frame (4) is composed of two groups of top plates arranged in parallel and a group of connecting rods (18) connected between the two groups of top plates, wherein two sides of the bottom end face of each group of top plates are fixedly connected with a group of first electric push rods (2) respectively, the middle parts of the connecting rods (18) are disc-shaped, and through holes for the output shafts of the first motors (9) to pass through are drilled.

7. An STM 32-based medical electric hospital bed according to claim 6, wherein: two sets of first pole (19) and two sets of the second turns over pole (20) and articulates respectively and installs side department in connecting rod (18) both sides, and two sets of first pole (19) and two sets of the bottom of second pole (20) is close to junction and slide (24) top and all installs otic placode (25), the both ends of first push rod (6) and second push rod (7) articulate respectively in corresponding otic placode (25).

8. An STM 32-based medical electric hospital bed according to claim 1, wherein: the middle of middle part fagging (3) inside still is equipped with two sets of transmission cavities (30), wherein the both ends of two sets of first lead screw (23) and two sets of second lead screw (23) insert respectively in two sets of transmission cavities (30) and fixed the cup joint worm wheel, and the worm wheel on two sets of first lead screw (23) is engaged with a set of first worm (31) in transmission cavity (30), and the worm wheel on two sets of second lead screw (23) is engaged with a set of second worm (32) in another set of transmission cavity (30), just first worm (31) are connected with second motor (11) transmission, second worm (32) are connected with third motor (12) transmission.

9. An STM 32-based medical electric hospital bed according to claim 1, wherein: when the patient lies on bed board (5), control the operation of each equipment through remote control unit, when the height to bed board (5) need go up and down to adjust, through STM32 series chip sensing assembly's drive control, start first electric putter (2) are flexible, first electric putter (2) drive when flexible and support the regulation of top frame (4) and bed board (5) height, when needs bed board (5) horizontal rotation, start first motor (9) rotate, rotate by first motor (9) and drive bed board (5) rotatory on supporting top frame 4, rotate horizontal angle, when needs are to the upset of bed board (5) both ends waist extension board (15) and shank extension board (13), start second motor (11) or third motor (12), when second motor (11) and third motor (12) rotate, can start corresponding second worm (32) and first worm (31) and rotate, when the first worm (31) and the second worm (32) rotate, the worm wheel drives the lead screw (23) to rotate respectively, so that when the lead screw (23) rotates, the adjusting sliding plate (24) moves towards the first motor (9), and when the sliding plate (24) moves, the first turning rod (19) or the second turning rod (20) is driven to turn upwards through the first inclined push rod (6) and the second inclined push rod (7), so that the waist support plate (15) or the leg support plate (13) is turned over on one side of the fixed support plate (14), and the angle adjustment of the waist support plate (15) or the leg support plate (13) is realized.

10. An STM 32-based medical electric hospital bed according to claim 9, wherein: in the process of overturning the waist support plate (15), the stretching of a third electric push rod below the back cushion (17) is started, the stretching of the backup plate is adjusted, and when the leg support plate (13) is horizontal, the second electric push rod (8) is started to stretch, so that the table plate (16) is ejected out of the leg support plate (13).