CN112932824B - Sitting-up power assisting device and power assisting using method thereof - Google Patents
Sitting-up power assisting device and power assisting using method thereof Download PDFInfo
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- CN112932824B CN112932824B CN202110115635.6A CN202110115635A CN112932824B CN 112932824 B CN112932824 B CN 112932824B CN 202110115635 A CN202110115635 A CN 202110115635A CN 112932824 B CN112932824 B CN 112932824B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1043—Cushions specially adapted for wheelchairs
- A61G5/1045—Cushions specially adapted for wheelchairs for the seat portion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
- A61G5/124—Rests specially adapted therefor, e.g. for the head or the feet for pelvis or buttocks
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/14—Standing-up or sitting-down aids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
- A61G7/1001—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto specially adapted for specific applications
- A61G7/1007—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto specially adapted for specific applications mounted on or in combination with a toilet
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
- A61G7/1013—Lifting of patients by
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
- A61G7/1073—Parts, details or accessories
- A61G7/108—Weighing means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
- A61G7/1073—Parts, details or accessories
- A61G7/1082—Rests specially adapted for
- A61G7/109—Lower body, e.g. pelvis, buttocks
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
- A61G2203/44—General characteristics of devices characterised by sensor means for weight
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Nursing (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention discloses a sitting-up power assisting device and a power assisting using method thereof, wherein the sitting-up power assisting device comprises a power assisting mounting pad, a power assisting lifting pad and a power assisting telescopic push rod which are hinged, a power assisting control device, a storage battery and a telescopic driving device are packaged in the power assisting mounting pad, control handles and functional operation devices are mounted on two sides of the power assisting mounting pad, a gravity sensor connected with the power assisting control device is arranged at the top end of the power assisting mounting pad, and a state indicating device, a power supply master control button and a charging interface are further arranged on the side part of the power assisting mounting pad; the gravity sensor detects pressure signals generated by the power-assisted lifting pad on the power-assisted mounting pad in real time, when the set use standard is met, the power-assisted control device is matched with the telescopic driving device to control the power-assisted telescopic push rod to start, the power-assisted lifting pad is lifted, a person sitting on the power-assisted lifting pad is assisted to stand up, the power-assisted sitting function is realized, the power-assisted sitting device is particularly suitable for old people and people with mobility disabilities to use, the labor burden of nursing staff is reduced, and the power-assisted sitting device is convenient to use and simple to operate.
Description
Technical Field
The invention relates to the technical field of daily life assistance products, in particular to a sitting assistance device and a specific assistance using method of the sitting assistance device.
Background
Old person or sit up inconvenience, sit for a long time or all the ubiquitous problem of difficulty of sitting up after the lavatory, if want normal or safe standing up to have two ways this moment, firstly rely on nursing staff's assistance, secondly with the help of the helping hand facility of additional setting. If the assistance of the nursing staff is relied, the labor intensity of the nursing staff is increased; if the power-assisted appliance is additionally purchased, because the universality of the current various power-assisted appliances is poor, the sitting-up power-assisted appliances with different functions are required to be arranged aiming at different occasions, and the family expenses can be increased to a certain extent.
Disclosure of Invention
The invention aims to solve the technical problem of providing a sitting and rising power assisting device which is convenient for old people or patients who are inconvenient to sit and rise and has the advantages of convenience in use, labor saving and multiple use scenes.
In order to solve the technical problems, the technical scheme of the invention is as follows: a sitting-up power assisting device comprises a power assisting mounting pad, a power assisting lifting pad is arranged above the power assisting mounting pad, the power assisting mounting pad is hinged to one end of the power assisting lifting pad, at least one hinged point is arranged between the power assisting mounting pad and the power assisting lifting pad, a power assisting telescopic push rod is connected between the power assisting mounting pad and the power assisting lifting pad, the power assisting telescopic push rod is far away from the power assisting mounting pad and the hinged end of the power assisting lifting pad, the power assisting telescopic push rod is provided with a mounting fixed end and a telescopic end, the mounting fixed end of the power assisting telescopic push rod is connected with the power assisting mounting pad, a vertical groove for containing the power assisting telescopic push rod is arranged in the power assisting mounting pad, the power assisting telescopic push rod is positioned in the vertical groove when in a contraction state, and the telescopic end of the power assisting telescopic push rod is hinged to the power assisting lifting pad, the power assisting device is characterized in that a power assisting control device and a storage battery which are electrically connected with each other are packaged in the power assisting mounting pad, the power assisting control device is further electrically connected with a telescopic driving device, the telescopic driving device is electrically connected with the power assisting telescopic push rod, control handles are movably mounted on two sides of the power assisting lifting pad respectively and are used as power assisting handrails, the power assisting lifting pad is correspondingly provided with handle avoiding notches convenient to operate, functional operating devices are arranged on the control handles respectively and are electrically connected with the power assisting control device respectively, a gravity sensor is arranged right below the power assisting lifting mounting pad at the top end of the power assisting, the gravity sensor is in signal connection with the power assisting control device, and a state indicating device, a storage battery and a state indicating device are further arranged on the side portion of the power assisting mounting pad, the power master control button and the charging interface are respectively connected to the power-assisted control device.
As a preferable technical scheme, the bottom end of the power-assisted mounting pad is provided with an auxiliary connecting ring, the lower surface of the power-assisted mounting pad is fixed with an anti-skid layer, and the lower surface of the anti-skid layer is provided with anti-skid point beads.
As a preferable technical scheme, the anti-skid layer and the anti-skid point beads are respectively made of anti-skid rubber.
As a preferable technical scheme, air holes penetrate through the power-assisted mounting pad and the power-assisted lifting pad.
As an optimized technical scheme, a toilet opening is formed in the assistance lifting pad, the toilet opening penetrates through the assistance lifting pad, a filling plate is detachably arranged in the toilet opening, the side wall of the filling plate is attached to the side wall of the toilet opening, a limiting protruding table protruding out of the inner wall of the toilet opening is arranged at the bottom end of the toilet opening, the lower end of the filling plate abuts against the limiting protruding table, the top end of the filling plate is flush with the surface of the assistance mounting pad, and a through hole is formed in the filling plate in a penetrating mode.
According to the preferable technical scheme, a handle supporting rod is arranged and connected on the control handle, the upper end of the handle supporting rod is rotatably connected with the control handle through a rotating shaft, mounting grooves are formed in the boosting mounting pad corresponding to the handle supporting rods, the lower end of the handle supporting rod is rotatably arranged in the mounting grooves, and a self-locking device is arranged between the handle supporting rod and the mounting grooves.
As a preferred technical scheme, the power-assisted control device comprises a PCB circuit board, wherein the PCB circuit board is electrically connected with a main control chip, an a/D conversion chip and a voltage conversion module, the main control chip is electrically connected with the a/D conversion chip, the voltage conversion module is electrically connected to the storage battery, a signal output end of the gravity sensor is connected to the a/D conversion chip, and the PCB circuit board is also electrically connected with a circuit board protection module;
the telescopic driving device comprises a driving chip in signal connection with the main control chip, an intermediate relay is correspondingly connected with the power-assisted telescopic push rod, and the driving end of the driving chip is connected to the intermediate relay;
the power-assisted telescopic push rods are arranged to be multistage electric telescopic rods, the number of the power-assisted telescopic push rods is two, and correspondingly, the number of the intermediate relays is also two and is connected with the power-assisted telescopic push rods in a one-to-one correspondence manner.
As an improvement to the above technical solution, the function operating device is provided with three control buttons, wherein the function operating device on one of the control handles includes a factory value restoration button, a lifting pad lifting button and a lifting pad lowering button; the other function operating device on the control handle comprises a formal starting button, a lifting pad speed-up button and a lifting pad speed-down button;
the state indicating device comprises a working state indicating lamp and an electric quantity state indicating lamp.
The invention also discloses a power-assisted using method of the sitting-up power-assisted device, which comprises a lifting power-assisted stage SP of the power-assisted lifting pad 1 And fall back reset phase SP 2 ，
The lifting assisting stage SP 1 Comprises the following steps of (1) carrying out the following steps,
SP 1-1 preset parameters
A gravity parameter set value, a preset value of the telescopic length of the power-assisted telescopic push rod, a preset value of the telescopic speed of the power-assisted telescopic push rod and a continuous lifting time of the power-assisted telescopic push rod are preset in the power-assisted control device;
SP 1-2 supply of electric energy
Connecting the charging interface to a power socket of a power supply, supplementing electric energy to the storage battery by using the charging interface, and disconnecting the charging interface from the power socket when the electric quantity state indicator shows that the storage battery is in a full electric quantity state;
SP 1-3 and is fixed by mounting
Installing and fixing the power-assisted mounting pad to a use scene, the step and SP 1-2 The steps are not sequential;
SP 1-4 standby state
Pressing the power supply master control button to enable a circuit between the storage battery and the power assisting control device, the function operating device, the gravity sensor and the state indicating device to be conducted, enabling the sitting power assisting device to enter a waiting work starting state, enabling the power assisting mounting pad and the power assisting lifting pad to be in a close state at the moment, enabling the circuit between the telescopic driving device and the power assisting telescopic push rod not to be conducted, and waiting for pre-starting;
SP 1-5 detecting gravity data, and judging whether the device enters pre-starting
The gravity sensor detects whether an object is pressed on the power-assisted lifting pad in real time;
when an object is detected to be pressed, the gravity sensor starts to acquire data and form a gravity parameter detection value, and the gravity parameter detection value is transmitted to the power-assisted control device and is compared with a preset gravity parameter set value;
when the gravity parameter detection value is less than or equal to the gravity parameter set value, the power-assisted control device is still in a standby state;
when the gravity parameter detection value is larger than the gravity parameter set value, the power-assisted control device generates a control signal to control the telescopic driving device to be communicated with the power-assisted telescopic push rod circuit and enter a pre-starting state;
SP 1-6 assisting in sitting and rising
The power-assisted control device detects whether a signal exists in the formal start button in real time, when the formal start button is pressed, the power-assisted control device obtains a start signal, the telescopic driving device controls the power-assisted telescopic push rod to start, the telescopic end of the power-assisted telescopic push rod extends out to lift the power-assisted lifting pad to implement sitting power assistance, when the extending length of the power-assisted telescopic push rod reaches the preset value of the telescopic length, the power-assisted telescopic push rod is powered off and stops, the power assistance is finished, and at the moment, the power-assisted mounting pad and the power-assisted lifting pad are in a separated state;
the fall-back reset phase SP 2 Comprises the following steps of a first step of,
SP 2-1 reset timing
The power-assisted telescopic push rod is in a lifting state and stops, and the power-assisted control device enters a timing state;
SP 2-2 reset standby
When the timing time reaches the set continuous lifting time, the power-assisted control device generates a control signal again to the telescopic driving device, the telescopic driving device starts the power-assisted telescopic push rod to withdraw and reset, and the power-assisted mounting pad and the power-assisted lifting pad return to a closed state of closing again to wait for secondary power-assisted starting.
As an improvement to the above solution, in the SP 1-6 In the step, the lifting height of the power-assisted telescopic push rod can be controlled to increase by pressing the lifting pad lifting button, and the lifting height can be continuously increased after the lifting pad lifting button exceeds the preset telescopic length; the telescopic length of the power-assisted telescopic push rod can be controlled to be reduced by pressing the lifting pad descending button; the telescopic speed of the power-assisted telescopic push rod can be increased by pressing the lifting pad speed-increasing button; the telescopic speed of the power-assisted telescopic push rod can be reduced by pressing the speed reduction button of the lifting pad.
Due to the adoption of the technical scheme, the invention has the following beneficial effects: the power-assisted lifting pad is installed and fixed on a use scene such as a chair or a toilet, a gravity sensor detects a pressure signal generated by the power-assisted lifting pad on the power-assisted mounting pad in real time, when the set use standard is met, the device can enter a pre-starting state, when a user presses a formal starting button, the power-assisted control device is matched with the telescopic driving device to control the power-assisted telescopic push rod to start, the power-assisted lifting pad is lifted, a person sitting on the device can stand up to realize the sitting-up power-assisted function, arm support can be realized through the control handle to form arm power assistance, the starting, lifting and speed control of the power-assisted telescopic push rod can be controlled through the functional operation device, the power-assisted lifting pad is particularly suitable for being used by old people and people who have difficulty in moving, the labor burden of nursing personnel can be reduced, and the use is convenient and the operation is simple.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic view of a chair cushion according to an embodiment of the present invention;
FIG. 2 is a schematic view of a toilet seat according to an embodiment of the present invention;
FIG. 3 is a connection diagram of a chip arrangement of a power control apparatus according to an embodiment of the present invention;
FIG. 4 is a circuit schematic of a circuit board protection module according to an embodiment of the present invention;
FIG. 5 is a circuit schematic of a voltage conversion module according to an embodiment of the present invention;
FIG. 6 shows a lifting assisting phase SP according to an embodiment of the present invention 1 A work flow diagram of (1);
FIG. 7 shows an embodiment of the present invention falling back to reset SP 2 A work flow diagram of (1);
in the figure: 1-a booster mounting pad; 2-an assistant lifting pad; 3-power-assisted telescopic push rod; 4-air holes; 5-auxiliary connecting rings; 6-an anti-slip layer; 7-driving a motor; 8-a storage battery; 9-a main control chip; 10-A/D conversion chip; 11-a driving chip; 12-an intermediate relay; 13-a control handle; 14-handle relief notch; 15-handle support bar; 16-mounting grooves; 17-factory value restoration button; 18-lifting pad-up button; 19-lifting pad lowering button; 20-formal start button; 21-lifting pad speed-up button; 22-lifting pad down button; 23-a gravity sensor; 24-power master control button; 25-a charging interface; 26-a working state indicator light; 27-a charge status indicator light; 28-like toilet mouths; 29-a filler board; 30-a limit boss; 31-a through hole; 32-power-assisted control device.
Detailed Description
The invention is further illustrated below with reference to the figures and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 and 2, the sitting-up assisting device comprises an assisting mounting pad 1, an assisting lifting pad 2 is arranged above the assisting mounting pad 1, the assisting mounting pad 1 is hinged with one end of the assisting lifting pad 2 through a hinge, and at least one hinge point is arranged between the assisting lifting pad 1 and the assisting lifting pad. An assisting telescopic push rod 3 is connected between the assisting mounting pad 1 and the assisting lifting pad 2, and the distance between the assisting mounting pad 1 and the assisting lifting pad 2 can be changed by the aid of the telescopic push rod 3, so that one end of the assisting lifting pad 2 is lifted, and the assisting lifting is realized for a human body. When the power-assisted lifting cushion is used, the hinged end of the power-assisted mounting cushion 1 and the hinged end of the power-assisted lifting cushion 2 are the front end, the power-assisted telescopic push rod 3 is installed at the rear end, and when the power-assisted telescopic push rod 3 is started, the hip of a human body is lifted, so that the function of sitting up and assisting is achieved.
Run through helping hand mounting pad 1 with helping hand lift pad 2 has arranged bleeder vent 4, uses the gas permeability good, helps improving the travelling comfort. The bottom end of the power-assisted mounting pad 1 is provided with an auxiliary connecting ring 5 which can be matched with a widened anti-skidding buckle to realize the mounting and fixing of the power-assisted mounting pad 1, such as binding with a seat and the like. The lower fixed surface of helping hand mounting pad 1 has skid resistant course 6, skid resistant point pearl has been arranged to skid resistant course 6's lower surface, skid resistant course 6 with skid resistant point pearl sets up to anti-skidding rubber respectively, the preferred natural latex material of anti-skidding rubber prevents that the user from sitting down the time, helping hand mounting pad 1 produces the slip rather than the contact site of bottom. The anti-skidding point pearl that sets up has further increased frictional force, guarantees safe fastness in the user's use.
In this embodiment, the power-assisted telescopic push rod 3 is disposed apart from the hinged end of the power-assisted mounting pad 1 and the power-assisted lifting pad 2, the power-assisted telescopic push rod 3 is provided with a mounting fixed end and a telescopic end, the mounting fixed end of the power-assisted telescopic push rod 3 is connected with the power-assisted mounting pad 1, a vertical groove for accommodating the power-assisted telescopic push rod 3 is provided in the power-assisted mounting pad 1, the power-assisted telescopic push rod 3 is located in the vertical groove when in a contracted state, and the telescopic end of the power-assisted telescopic push rod 3 is hinged to the power-assisted lifting pad 2. When the power-assisted telescopic push rod 3 is contracted, the power-assisted telescopic push rod is completely positioned in the vertical groove, so that the power-assisted mounting pad 1 and the power-assisted lifting pad 2 can realize closed contact. In order to guarantee the strength of the assisting force for sitting up on a human body, the assisting telescopic push rod 3 is arranged to be a multi-stage electric telescopic rod, and the assisting telescopic push rods 3 are arranged to be two relatively. The power-assisted telescopic push rod 3 is provided with a driving motor 7, a Hall sensing encoder, a screw rod, a gear and other power and transmission components, and is well known by persons skilled in the art. The power-assisted telescopic push rod 3 in the embodiment can be made of an aluminum alloy material, so that the weight of the product is reduced, the product still has special strength and hardness, and the product performance is greatly improved. The driving motor 7 in the power-assisted telescopic push rod 3 is driven by a direct current motor, and is driven by a screw rod, so that the work is quiet and noiseless. The power-assisted telescopic push rod 3 stroke displacement is accurately calculated by using a Hall principle and accurately feeding back the number of main shaft rotation turns through pulse number, so that the power-assisted telescopic push rod 3 is accurately controlled.
The boosting mounting pad 1 is internally provided with a boosting control device 32 and a storage battery 8 which are electrically connected with each other, the boosting control device 32 is also electrically connected with a telescopic driving device, and the telescopic driving device is electrically connected with the boosting telescopic push rod 3. The Hall sensing encoder of the power-assisted telescopic push rod 3 is connected with the power-assisted control device 32, so that the height of the power-assisted lifting pad 2 in the working process can be measured in real time and accurately controlled. The speed of the power-assisted telescopic push rod 3 can be sequentially adjusted by adjusting the voltage in the input circuit, and the thrust of the power-assisted lifting pad 2 can be further changed to adjust the power assistance. The storage battery 8 can use a 12V lithium battery pack, the capacity is large, compared with a lead storage battery 8 with the same capacity, the volume of the lithium battery pack is about 2/3 of that of a lead-acid battery pack, the weight of the lithium battery pack is about 1/3 of that of the lead-acid battery pack, the volume and the weight are reduced, and the carrying by a user is facilitated. In addition, the design life of the lead-acid storage battery is generally 3-5 years, the brand new lithium ion battery is used under the same condition, the life is generally about 7-8 years, and the service life is longer.
As shown in fig. 3, 4 and 5, the power assisting control device 32 includes a PCB circuit board, the PCB circuit board is electrically connected with a main control chip 9, an a/D conversion chip 10 and a voltage conversion module, the main control chip 9 is electrically connected with the a/D conversion chip 10, the voltage conversion module is electrically connected to the storage battery 8, and a signal output end of the gravity sensor 23 is connected to the a/D conversion chip 10. The PCB circuit board is also electrically connected with a circuit board protection module, and a specific circuit of the circuit board protection module is shown in FIG. 4. In the actual use process, the highland barley paper with the thickness of 0.45MM is wrapped outside the PCB, so that the highland barley paper has the high temperature resistance of at least 280 degrees, and also has the functions of fire prevention, insulation, heat insulation and the like, so as to ensure the safety of a user in the use process. The voltage conversion module has overcurrent protection and short-circuit protection functions, can prevent overlarge current in a circuit and can also perform automatic protection when the device is accidentally short-circuited. And the battery is matched with the storage battery 8, has large capacity and stable output, can meet the requirement of continuous use for at least two weeks by a user, and can be used along with charging. The voltage conversion module can also output 3.3V-5V voltage for supplying power to other electronic components in the device, and the module adopts a synchronous rectification scheme, wide voltage, large current and high efficiency. The module adopts an LM2596 chip, which belongs to a common switching power supply chip, the highest input voltage of the module is 40V, the highest output voltage of the module is 37V, and the conversion efficiency can reach 90 percent at most.
The telescopic driving device comprises a driving chip 11 in signal connection with the main control chip 9, an intermediate relay 12 is correspondingly connected with the power-assisted telescopic push rod 3, the driving end of the driving chip 11 is connected to the intermediate relay 12, and the intermediate relay 12 is also arranged in two and is in one-to-one connection with the power-assisted telescopic push rod 3. The model of the driving chip 11 is LN2003, and the corresponding power-assisted telescopic push rod 3 is controlled to work by connecting the intermediate relay 12. The driving chip 11 is an inverter circuit, that is, when the input terminal is at a high level, the output terminal is at a low level; when the input end is at low level, the output end is at high level, and the intermediate relay 12 is powered on and closed.
In the embodiment, control handles 13 are movably mounted on the two sides of the power-assisted lifting pad 2 on the power-assisted mounting pad 1 respectively, the control handles 13 are also used as power-assisted handrails, handle avoiding notches 14 convenient to operate are formed in the power-assisted lifting pad 2 corresponding to the control handles 13 respectively, functional operation devices are arranged on the control handles 13 respectively and are electrically connected to the power-assisted control devices 32 respectively. The last arrangement of brake valve lever 13 is connected with handle bracing piece 15, just the upper end of handle bracing piece 15 through the pivot with brake valve lever 13 rotates to be connected, correspond respectively on the helping hand mounting pad 1 handle bracing piece 15 is equipped with mounting groove 16, the lower extreme of handle bracing piece 15 rotates to be located in the mounting groove 16, just handle bracing piece 15 with be equipped with self-lock device between the mounting groove 16. Through the self-locking device, the handle supporting rod 15 is difficult to press and reset after being erected, so that the arm can be conveniently pressed, and the arm can be supported in an assisting manner when the user sits up. The self-locking means includes a return spring, a pull rod, etc., which are well known to those skilled in the art of folding handrails, etc., and will not be described in detail herein.
The function operation device is set to three control buttons, wherein the function operation device on the control handle 13 comprises a factory-restoration value button 17, a lifting pad-up button 18 and a lifting pad-down button 19, the factory-restoration value button 17 can clear records of the device and restore factory settings, the lifting pad-up button 18 is used for increasing the height of the power-assisted lifting pad 2, and the lifting pad-down button 19 is used for reducing the height of the power-assisted lifting pad 2. The other function operating device on the control handle 13 includes a formal start button 20, a lifting pad speed-up button 21 and a lifting pad speed-down button 22, which are respectively used for formal start, increasing the lifting thrust (speed) of the power-assisted lifting pad 2 and reducing the lifting thrust (speed) of the power-assisted lifting pad 2. In order to adapt to the use of different users, the lifting height of the power-assisted lifting pad 2 is adjusted by self according to different heights of the users, or the pushing force (speed) pushed up by the power-assisted lifting pad 2 is adjusted by self according to different weights of the users. The two control handles 13 can be selectively opened or closed according to the needs of users.
A gravity sensor 23 is arranged at the top end of the power-assisted mounting pad 1 and is positioned right below the power-assisted lifting pad 2, and the gravity sensor 23 is in signal connection with the power-assisted control device 32. The gravity sensor 23 elastically deforms the outside pressure inside to change the resistance of the resistive strain gauge attached to the gravity sensor, and outputs an analog electrical signal proportional to the measured object under the action of the excitation voltage. The gravity sensor 23 protrudes out of the surface of the power-assisted mounting pad 1 to form a convex point stress, and the detection is more accurate by adopting a convex point stress mode, so that the performance of the device is more guaranteed. The gravity sensor 23 of this embodiment is made of Mn65 elastomer Huang Gang, has high elasticity, good resilience, good fatigue resistance, and has been subjected to quenching hardness treatment, surface galvanization, smoothness, rust protection and corrosion protection.
The side part of the power assisting mounting pad 1 is further provided with a state indicating device, a power general control button 24 and a charging interface 25, and the state indicating device, the power general control button 24 and the charging interface 25 are respectively connected to the power assisting control device. The power supply master control button 24 is used for powering on and powering off the whole device, and enters a standby use state after being powered on. The charging interface 25 can be used to connect the battery 8 to a power supply, so that the battery 8 can be supplied with electric energy. The status indicator device is positioned at the rear part of the side surface of the power assisting mounting pad 1 and comprises a working status indicator lamp 26 and a power state indicator lamp 27. The working state indicator light 26 is a red-green color-changing indicator light, can be subjected to color-changing control by adjusting voltage, and is green when the device is in operation (including when the device enters pre-starting); when the device is abnormal and can not operate, the lamp is red, and a warning is formed. The electric quantity status indicator lamp 27 is also a red-green color-changing indicator lamp, which is red when the electric quantity of the device is insufficient, so as to inform the user that the device is required to be connected with a power supply for charging, and when the lamp is green, the electric quantity status indicator lamp indicates that the electric quantity of the storage battery 8 is full or sufficient.
This embodiment may also be used on toilets. At this moment, set up like lavatory mouth 28 on the helping hand lifting pad 2, like lavatory mouth 28 runs through helping hand lifting pad 2 sets up, can dismantle in like lavatory mouth 28 and be equipped with filler plate 29, the lateral wall of filler plate 29 with like the laminating of the lateral wall of lavatory mouth, like the bottom of lavatory mouth 28 be equipped with outstanding in like spacing abrupt platform 30 of lavatory mouth 28 inner wall, the lower extreme of filler plate 29 supports and leans on spacing abrupt platform 30, the top of filler plate 29 with the surface of helping hand mounting pad 1 flushes the setting, runs through filler plate 29 arranges through-hole 31. When used on a toilet, the filler plate 29 is simply removed, increasing the range of use of the device.
The assistance using method of the sitting-up assistance device comprises a lifting assistance stage SP of the assistance lifting pad 2 1 And fall back reset phase SP 2 As shown in fig. 6, the lifting assisting phase SP 1 The method comprises the following steps:
SP 1-1 preset parameters
A gravity parameter set value, a preset value of the telescopic length of the power-assisted telescopic push rod 3, a preset value of the telescopic speed of the power-assisted telescopic push rod, and a continuous lifting time of the power-assisted telescopic push rod 3 are preset in the power-assisted control device 32.
The gravity parameter setting value is set to prevent a user from placing other irrelevant small articles on the power-assisted lifting pad 2 or preventing children from temporarily sitting and playing on the device at home, the weight of the children and the weight of other irrelevant small articles generally do not exceed 30 kg, so that the weight of an adult user is larger than 30 kg, the device can enter a pre-starting state, the device can be prevented from being started by mistake, and the injury to the children or other articles is avoided. If the gravity parameter setting value can be set to 30 kg, the user can adjust the specific value of the gravity parameter setting value according to the use environment.
In the rising process of a user, the power-assisted lifting pad 2 is always in an open state, and after the continuous lifting time, the power-assisted lifting pad 2 is driven by the power-assisted telescopic push rod 3 to fall back and reset. The duration of the lifting time can be set to 30S or can be adjusted according to the action speed of the user.
SP 1-2 Supplement electric energy
And connecting the charging interface 25 to a power socket of a power supply, supplementing electric energy to the storage battery 8 by using the charging interface 25, and disconnecting the charging interface 25 from the power socket when the electric quantity state indicator lamp 27 displays that the storage battery 8 is in a full electric quantity state.
SP 1-3 And is fixed by installation
The power-assisted mounting pad 1 is mounted and fixed at a use scene, the step and SP 1-2 The steps are not sequential.
SP 1-4 Standby state
Press power master control button 24 makes battery 8 with power control device 32 function operating means gravity sensor 23 with circuit between the state indicating device switches on, sit up booster unit and get into the initial state of waiting for work, at this moment the helping hand mounting pad 1 with helping hand lifting pad 2 is in the closed state of drawing close, flexible drive arrangement with the circuit does not switch on between the flexible push rod of helping hand, waits for the pre-start.
SP 1-5 Detecting gravity data, and judging whether the device enters pre-starting
The gravity sensor 23 detects whether an object is pressed on the power-assisted lifting pad 2 in real time. When an object is detected to be pressed, the gravity sensor 23 starts to collect data and form a gravity parameter detection value, and the gravity parameter detection value is transmitted to the power-assisted control device 32 and compared with the preset gravity parameter set value. When the detected value of the gravity parameter is less than or equal to the set value of the gravity parameter, the power-assisted control device 32 is still in a standby state; when the gravity parameter detection value is larger than the gravity parameter set value, the power-assisted control device 32 generates a control signal to control the telescopic driving device to be in circuit conduction with the power-assisted telescopic push rod 3, and the power-assisted telescopic push rod enters a pre-starting state.
SP 1-6 Assisting in sitting and rising
The power-assisted control device 32 detects whether the formal start button 20 has a signal in real time, when the formal start button 20 is pressed, the power-assisted control device 32 obtains the start signal, the telescopic driving device controls the power-assisted telescopic push rod 3 to start, the telescopic end of the power-assisted telescopic push rod 3 extends out, the power-assisted lifting pad 2 is lifted to implement sitting power assistance, when the extending length of the power-assisted telescopic push rod 3 reaches the preset value of the telescopic length, the power-assisted telescopic push rod 3 is powered off and stops, the power assistance is finished, and at this moment, the power-assisted mounting pad 1 and the power-assisted lifting pad 2 are in a separated state.
In this step, the lifting height of the power-assisted telescopic push rod 3 can be controlled to increase by pressing the lifting button 18, and the lifting height can be continuously increased after exceeding the preset telescopic length value; the telescopic length of the power-assisted telescopic push rod 3 can be controlled to be reduced by pressing the lifting pad descending button 19; the stretching speed of the power-assisted stretching push rod 3 can be increased by pressing the lifting pad speed-increasing button 21; pressing the lifting pad deceleration button 22 can reduce the expansion and contraction speed of the power-assisted expansion and contraction push rod 3.
As shown in fig. 7, the fall-back reset phase SP 2 The method comprises the following steps:
SP 2-1 reset timing
After the power-assisted telescopic push rod 3 is in a lifting state and stops, the power-assisted control device 32 enters a timing state. Specifically, the measurement can be realized by a timer inside the main control chip 9, when the power assisting mounting pad 1 is separated from the power assisting lifting pad 2, the value of the gravity sensor 23 is suddenly reduced to zero, and the main control chip 9 measures the power assisting time of the power assisting lifting pad 2 by timing the time when the gravity sensor 23 maintains the zero value.
SP 2-2 Reset standby
When the timing time reaches the set continuous lifting time, the power-assisted control device 32 generates a control signal again to the telescopic driving device, the telescopic driving device starts the power-assisted telescopic push rod 3 to retract and reset, and the power-assisted mounting pad 1 and the power-assisted lifting pad 2 are in a closed state of being drawn close again to wait for power-assisted starting again.
According to the invention, the power-assisted mounting pad 1 is mounted and fixed on a use scene such as a chair or a toilet, the gravity sensor 23 detects a pressure signal generated by the power-assisted lifting pad 2 on the power-assisted mounting pad 1 in real time, when the set use standard is met, the device can enter a pre-starting state, when a user presses a formal starting button, the power-assisted control device 32 is matched with the telescopic driving device to control the power-assisted telescopic push rod 3 to start, lift the power-assisted lifting pad 2, assist a person sitting on the device to stand up, realize a sitting power-assisted function, further realize arm support through the control handle 13 to form arm power assistance, and control the starting, lifting and speed control of the power-assisted telescopic push rod 3 through the functional operation device.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The utility model provides a sit up booster unit which characterized in that: the power assisting device comprises a power assisting mounting pad, a power assisting lifting pad is arranged above the power assisting mounting pad, the power assisting mounting pad is hinged with one end of the power assisting lifting pad, at least one hinged point is arranged between the power assisting mounting pad and the power assisting lifting pad, a power assisting telescopic push rod is connected between the power assisting mounting pad and the power assisting lifting pad, the power assisting telescopic push rod is far away from the power assisting mounting pad and the hinged end of the power assisting lifting pad, the power assisting telescopic push rod is provided with a mounting fixed end and a telescopic end, the mounting fixed end of the power assisting telescopic push rod is connected with the power assisting mounting pad, a vertical groove for containing the power assisting telescopic push rod is arranged in the power assisting mounting pad, the power assisting telescopic push rod is positioned in the vertical groove when in a contraction state, the telescopic end of the power assisting telescopic push rod is hinged with the power assisting lifting pad, and a power assisting control device and a storage battery which are electrically connected with each other are sealed in the power assisting mounting pad, the power assisting device is electrically connected with a telescopic driving device, the telescopic driving device is electrically connected with the power assisting telescopic push rod, control handles are movably arranged on the two sides of the power assisting lifting pad on the power assisting mounting pad respectively, the control handles are also used as power assisting handrails, handle avoiding notches convenient to operate are arranged on the power assisting lifting pad corresponding to the control handles respectively, functional operating devices are arranged on the two control handles respectively and are electrically connected with the power assisting control device respectively, a gravity sensor is arranged at the top end of the power assisting mounting pad under the power assisting lifting pad and is in signal connection with the power assisting control device, a state indicating device, a power supply master control button and a charging interface are further arranged on the side portion of the power assisting mounting pad, the state indicating device, the power supply general control button and the charging interface are respectively connected to the power-assisted control device.
2. A sit-up assist device according to claim 1, wherein: the bottom of helping hand mounting pad is arranged and is installed the auxiliary connection ring, the lower surface of helping hand mounting pad is fixed with the skid resistant course, the lower surface of skid resistant course has arranged anti-skidding point pearl.
3. A sit-up assist device as claimed in claim 2, wherein: the anti-skid layer and the anti-skid point beads are respectively made of anti-skid rubber.
4. A sit-up assist device as claimed in claim 1, wherein: air holes are arranged through the power-assisted mounting pad and the power-assisted lifting pad.
5. A sit-up assist device as claimed in claim 4, wherein: set up like the lavatory mouth on the helping hand lifting pad, run through like the lavatory mouth the setting of helping hand lifting pad, can dismantle in like the lavatory mouth and be equipped with the packing plate, the lateral wall of packing plate with like the lateral wall laminating of lavatory mouth, like the bottom of lavatory mouth be equipped with outstanding in like the spacing abrupt platform of lavatory mouth inner wall, the lower extreme of packing plate supports and leans on spacing suddenly on the platform, the top of packing plate with the surface of helping hand mounting pad flushes the setting, runs through the packing plate has arranged the through-hole.
6. A sit-up assist device as claimed in claim 1, wherein: the control handle is connected with a handle supporting rod in an arranging mode, the upper end of the handle supporting rod is connected with the control handle in a rotating mode through a rotating shaft, the power-assisted mounting pad is provided with mounting grooves corresponding to the handle supporting rods, the lower end of the handle supporting rod is arranged in the mounting grooves in a rotating mode, and self-locking devices are arranged between the handle supporting rod and the mounting grooves.
7. A sit-up assist device according to claim 1, wherein: the power assisting control device comprises a PCB circuit board, wherein a main control chip, an A/D conversion chip and a voltage conversion module are electrically connected to the PCB circuit board, the main control chip is electrically connected with the A/D conversion chip, the voltage conversion module is electrically connected to the storage battery, a signal output end of the gravity sensor is connected to the A/D conversion chip, and the PCB circuit board is also electrically connected with a circuit board protection module;
the telescopic driving device comprises a driving chip in signal connection with the main control chip, an intermediate relay is correspondingly connected with the power-assisted telescopic push rod, and the driving end of the driving chip is connected to the intermediate relay;
the power-assisted telescopic push rods are arranged as multi-stage electric telescopic rods, the two power-assisted telescopic push rods are arranged oppositely, and correspondingly, the two intermediate relays are also arranged and are connected with the power-assisted telescopic push rods in a one-to-one correspondence mode.
8. A sit-up assist device as claimed in claim 1, wherein: the function operating device is provided with three control buttons, wherein the function operating device on one control handle comprises a factory value restoring button, a lifting pad lifting button and a lifting pad lowering button; the other function operating device on the control handle comprises a formal starting button, a lifting pad speed-up button and a lifting pad speed-down button;
the state indicating device comprises a working state indicating lamp and an electric quantity state indicating lamp.
9. The use of assistance from a sit-up assist device according to claim 8, wherein: lifting assistance stage SP comprising the assistance lifting pad 1 And fall back reset phase SP 2 ，
The lifting assisting stage SP 1 Comprises the following steps of a first step of,
SP 1-1 preset parameters
A gravity parameter set value, a preset value of the telescopic length of the power-assisted telescopic push rod, a preset value of the telescopic speed of the power-assisted telescopic push rod and a continuous lifting time of the power-assisted telescopic push rod are preset in the power-assisted control device;
SP 1-2 supplement electric energy
Connecting the charging interface to a power socket of a power supply, supplementing electric energy to the storage battery by using the charging interface, and disconnecting the charging interface from the power socket when the electric quantity state indicator shows that the storage battery is in a full electric quantity state;
SP 1-3 and is fixed by installation
Installing and fixing the power-assisted mounting pad to a use scene, and the step and the SP 1-2 The steps are not sequential;
SP 1-4 standby state
Pressing the power supply master control button to enable a circuit between the storage battery and the power assisting control device, the function operating device, the gravity sensor and the state indicating device to be conducted, enabling the sitting power assisting device to enter a waiting work starting state, enabling the power assisting mounting pad and the power assisting lifting pad to be in a close state at the moment, enabling the circuit between the telescopic driving device and the power assisting telescopic push rod not to be conducted, and waiting for pre-starting;
SP 1-5 detecting gravity data, and judging whether the device enters pre-starting
The gravity sensor detects whether an object is pressed on the power-assisted lifting pad in real time;
when an object is detected to be pressed, the gravity sensor starts to collect data and form a gravity parameter detection value, the gravity parameter detection value is transmitted to the power-assisted control device, and the gravity parameter detection value is compared with a preset gravity parameter set value;
when the gravity parameter detection value is less than or equal to the gravity parameter set value, the power-assisted control device is still in a standby state;
when the gravity parameter detection value is larger than the gravity parameter set value, the power-assisted control device generates a control signal to control the telescopic driving device to be communicated with the power-assisted telescopic push rod circuit and enter a pre-starting state;
SP 1-6 assisting in sitting and rising
The power-assisted control device detects whether a signal exists in the formal start button in real time, when the formal start button is pressed, the power-assisted control device obtains a start signal, the telescopic driving device controls the power-assisted telescopic push rod to start, the telescopic end of the power-assisted telescopic push rod extends out to lift the power-assisted lifting pad to implement sitting power assistance, when the extending length of the power-assisted telescopic push rod reaches the preset value of the telescopic length, the power-assisted telescopic push rod is powered off and stops, the power assistance is finished, and at the moment, the power-assisted mounting pad and the power-assisted lifting pad are in a separated state;
the fall-back reset phase SP 2 Comprises the following steps of (1) carrying out the following steps,
SP 2-1 reset timing
The power-assisted telescopic push rod is in a lifting state and stops, and the power-assisted control device enters a timing state;
SP 2-2 reset standby
When the timing time reaches the set continuous lifting time, the power-assisted control device generates a control signal again to the telescopic driving device, the telescopic driving device starts the power-assisted telescopic push rod to retract and reset, and the power-assisted mounting pad and the power-assisted lifting pad are in a closed state of being drawn close again to wait for power-assisted starting again.
10. The use of assistance from a sit-up assist device according to claim 9, wherein: at the SP 1-6 In the step, the lifting height of the power-assisted telescopic push rod can be controlled to increase by pressing the lifting pad lifting button, and the lifting height can be continuously increased after the lifting pad lifting button exceeds the preset telescopic length; the telescopic length of the power-assisted telescopic push rod can be controlled to be reduced by pressing the lifting pad descending button; the telescopic speed of the power-assisted telescopic push rod can be increased by pressing the lifting pad speed-increasing button; the telescopic speed of the power-assisted telescopic push rod can be reduced by pressing the speed reduction button of the lifting pad.
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