CN112187099A - Diagnosis room information display system adopting corridor ground self-power generation - Google Patents
Diagnosis room information display system adopting corridor ground self-power generation Download PDFInfo
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- 238000003745 diagnosis Methods 0.000 title claims abstract description 36
- 238000010248 power generation Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 90
- 238000003825 pressing Methods 0.000 claims abstract description 24
- 239000000758 substrate Substances 0.000 claims description 14
- 239000013078 crystal Substances 0.000 claims description 12
- 238000004146 energy storage Methods 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 8
- 238000007781 pre-processing Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 230000002195 synergetic effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G3/00—Other motors, e.g. gravity or inertia motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/181—Circuits; Control arrangements or methods
Abstract
The invention discloses a diagnostic room information display system adopting corridor ground self-power generation; comprises a shell; the shell is arranged below the corridor, a cavity is arranged in the shell, a gap is formed in the top of the shell, a pressing plate is embedded in the gap, and the pressing plate is in clearance connection with the shell; two rows of moving mechanisms are symmetrically arranged below the shell, a plurality of moving mechanisms are arranged in each row, the two rows of moving mechanisms extend along the ground direction of the corridor, each moving mechanism comprises a supporting rod, an elastic mechanism is arranged below each supporting rod, and each elastic mechanism is connected with the bottom end of each supporting rod; the other end of the elastic mechanism is provided with a connecting block; by arranging the moving mechanism and the elastic mechanism, the piezoelectric plate is prevented from being damaged due to severe vibration caused by overlarge pressure; the service life of the material is prolonged; the piezoelectric material is utilized in the corridor of the hospital, the generated electric energy is collected and utilized, the diagnosis room display system provides the electric energy, and the energy is effectively saved.
Description
Technical Field
The invention belongs to the field of self-generating application, and particularly relates to a diagnostic room information display system adopting corridor ground self-generating.
Background
At present, a hospital is generally provided with a diagnosis room which is provided with an information display system, so that a patient can clearly and definitely know the state of an illness, a doctor can perform expert consultation by combining the actual condition of the patient, medical analysis is facilitated, a targeted treatment scheme is made in time, and the pain of the patient is relieved.
In the current information display system, electric energy is generally adopted to supply power to a display screen for display; as the population flow of a hospital is increased, in order to cater for the development and application of new energy, a piezoelectric mechanism is arranged below a corridor of the hospital, on the premise of ensuring safety, when a piezoelectric plate deforms under the action of gravity, the piezoelectric plate can generate a polarization phenomenon inside, and meanwhile, charges with opposite positive and negative polarities appear on two opposite surfaces of the piezoelectric plate to form a potential difference for rectification and generation of electric energy; the piezoelectric material is utilized in the corridor of the hospital, the generated electric energy is collected and utilized, the diagnosis room display system provides the electric energy, and the energy is effectively saved.
Chinese patent application No. 201620351265.0 discloses a modularized buried piezoelectric power generation device, which comprises a box body, a transmission device and an equal stress piezoelectric power generation module, wherein the box body consists of a base body, a box body upper cover plate, a supporting limit strip, a transmission rod supporting seat, a spring and a connecting piece, wherein the box body upper cover plate, the supporting limit strip, the transmission rod supporting seat, the spring and the connecting piece are arranged on the base body; the transmission device consists of a pedal and a transmission rod connected to the pedal; the equal stress piezoelectric power generation module is composed of a substrate, an upper pressing plate, a limiting connecting piece and a piezoelectric power generation unit, wherein the upper pressing plate, the limiting connecting piece and the piezoelectric power generation unit are installed on the substrate.
Chinese patent application No. 201720642787.0 discloses a concatenation formula piezoelectricity electricity generation floor, every piezoelectricity electricity generation floor unit's electric energy output device's consumer drive output port connects corresponding a set of consumer, every piezoelectricity electricity generation floor unit's electric energy output device's data display drive output port connects data processor through the data acquisition bus, data processor and host computer pass through the data line and link to each other, piezoelectricity electricity generation floor unit forms piezoelectricity electricity generation floor main part after splicing each other, piezoelectricity electricity generation floor main part is installed in ground heavy groove, piezoelectricity electricity generation floor unit includes the apron, electric energy output device, electric energy storage device, the silica gel blotter, PVC backup pad and electricity generation module array.
The power generation device designed by the technical scheme has the advantages that the piezoelectric device vibrates in a vibration mode, the free charges move directionally to form currents, and the piezoelectric plate is easy to vibrate greatly to damage the piezoelectric plate when being subjected to large vibration due to the piezoelectric plate material, so that the piezoelectric plate cannot work normally, and the service life is shortened.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a diagnostic room information display system adopting corridor ground self-generation, which prevents the piezoelectric plate from being damaged due to severe vibration caused by overlarge pressure by arranging a moving mechanism and an elastic mechanism; the service life of the material is prolonged; the piezoelectric material is utilized in the corridor of the hospital, the generated electric energy is collected and utilized, the diagnosis room display system provides the electric energy, and the energy is effectively saved.
The invention provides the following technical scheme:
a diagnostic room information display system adopting corridor ground self-power generation; comprises a shell; the shell is arranged below the corridor, a cavity is arranged in the shell, a gap is formed in the top of the shell, a pressing plate is embedded in the gap, and the pressing plate is in clearance connection with the shell; two rows of moving mechanisms are symmetrically arranged below the shell, a plurality of moving mechanisms are arranged in each row, the two rows of moving mechanisms extend along the ground direction of the corridor, each moving mechanism comprises a supporting rod, an elastic mechanism is arranged below each supporting rod, and each elastic mechanism is connected with the bottom end of each supporting rod; the other end of the elastic mechanism is provided with a connecting block;
a fixed block is connected to the position, close to the center, below the pressing plate, two rows of connecting rods are symmetrically arranged on the fixed block, and a plurality of connecting rods are arranged in each row; one end of the connecting rod is rotatably connected with the fixed block through a pin shaft, the other end of the connecting rod is connected with a connecting piece, and the connecting rod is rotatably connected with the connecting block through the connecting piece;
the outer side wall below the connecting block is connected with a piezoelectric plate, the other end of the piezoelectric plate is connected with a base, and two ends of the base are connected with the inner wall of the shell; an electric energy collector is arranged at the center position above the base; a lead is arranged in the base, one end of the piezoelectric plate is connected with the lead in the base, and the piezoelectric plate is connected with the electric energy collector through a conductive wire; the electric energy collector is connected with a power supply through a lead, energy is stored through the power supply, and the power supply provides electric energy for a display outside the diagnosis room and is used for displaying diagnosis information on the display.
Preferably, the moving mechanism comprises a rack and a threaded rod, and one end of the rack is vertically connected with the pressing plate; one end of the threaded rod is connected with a bearing, the threaded rod is rotationally connected with the inner wall of the shell through the bearing, a gear is arranged at the other end of the threaded rod, and the gear is in interference connection with the threaded rod; the gear is meshed with the rack.
Preferably, the threaded rod is sleeved with a moving block, an internal threaded hole is formed in the center of the moving block, and the moving block is in matched and rotating connection with the moving block through the internal threaded hole; the outer side wall of the moving block is connected with a supporting rod, and the supporting rod is arranged below the threaded rod and is perpendicular to the threaded rod.
Preferably, the elastic mechanism comprises a connecting block, one end of the connecting block is connected with a sleeve, a telescopic rod is arranged inside the sleeve, and the other end of the telescopic rod is connected with a flange plate which is connected with the supporting rod through the flange plate.
Preferably, one end of the sleeve close to the connecting block is connected with a flange, a plurality of through holes are formed in the connecting block, and the sleeve is connected with the connecting block through the flange; the pipe wall at the other end of the sleeve is bent towards the interior of the sleeve and is in a vertical structure with the sleeve body; one end of the telescopic rod, which is close to the sleeve, is provided with a bending piece towards the outside of the telescopic rod, and the bending piece and the telescopic rod form an angle of 90 degrees; the bending piece is arranged to prevent the telescopic rod from slipping off from the inside of the sleeve.
Preferably, one end of the telescopic rod, which is far away from the sleeve, is connected with a flange, and the supporting rod is provided with a through hole corresponding to the flange and is connected with the supporting rod through the flange; the outside cover of sleeve pipe and telescopic link is equipped with the spring, and the one end and the connecting block of spring are connected, and the other end is connected with the bracing piece.
Preferably, one end of the piezoelectric plate is fixed on the base, the piezoelectric plate comprises a substrate, a layer of piezoelectric crystal is arranged above the substrate, and two sides of the piezoelectric crystal are connected with wires.
Preferably, a rectifier is arranged inside the electric energy collector, a wire hole is formed in one end of the electric energy collector, and a wire is arranged through the wire hole and connected with the piezoelectric plate; the rectifier integrates alternating current into direct current and transmits the direct current to the energy storage device through a lead, and the energy storage device transmits electric energy to a power supply source of a display screen of the diagnosis room so as to provide electric energy for the display system.
Preferably, the piezoelectric plate vibrates to generate an alternating current signal, the alternating current signal enters the rectifier, and the alternating current signal is preprocessed through the frequency preprocessing circuit, so that the amplitude of the signal voltage is reduced.
Preferably, when the piezoelectric plate vibrates, two positive and negative levels appear on both surfaces of the piezoelectric crystal bonded to the substrate, and the two levels are accompanied by charge transfer.
Preferably, in order to further increase the strain capacity of the piezoelectric plate, increase the generation of energy, and output a smooth voltage for the diagnostic room display system; when the stress F of the piezoelectric plate is too large, the piezoelectric plate is easy to damage, and when the stress F of the piezoelectric plate is too small, the productivity of the piezoelectric plate is too low, and the efficiency of generating electric energy is low; the vibration frequency f of the piezoelectric plate is in a certain relation with the productivity of the piezoelectric plate, and the vibration frequency of the piezoelectric plate and the length l, the width s and the thickness h of the piezoelectric plate meet the following relation, wherein f =. lk/h; in the above formula, the value range is 25% -75% for the frequency difference adjustment coefficient; the units of l, s and h are cm.
In order to further increase the strain capacity of the piezoelectric plate and prevent the piezoelectric plate from being deformed too much and damaged due to overlarge bearing capacity, a moving mechanism and an elastic mechanism are arranged above the piezoelectric plate, when the pressure plate is pressed, the rack drives the gear to rotate, the gear drives the threaded rod to rotate, the threaded rod drives the moving block to move rightwards, the support rod connected below the moving block drives the elastic mechanism to move rightwards, meanwhile, when the fixed block right below the pressure plate is pressed and moves downwards, the two connecting rods rotate with the fixed block, the connecting rods press the elastic mechanism rightwards, and the piezoelectric plate is driven to vibrate under the combined action of the elastic mechanism and the moving mechanism, in the vibration process, the piezoelectric plate is buffered, so that the piezoelectric plate is prevented from being damaged due to overlarge amplitude, the service life of the piezoelectric plate is effectively prolonged, and the piezoelectric plate is well prevented from being damaged due to overlarge amplitude or collision; the resilience force F1 of the spring and the pitch d, the length L and the pressure F applied to the piezoelectric plate satisfy the following relations: F-F1 ═ k · (L/d); k is an elastic coefficient, and the value range is 35-80%; f unit N/m; d. l is in cm.
Preferably, in order to enable the moving mechanism, the spring mechanism and the piezoelectric plate to be connected to achieve a better synergistic effect, the strain capacity of the piezoelectric plate is increased jointly, and the stability of use is increased, wherein the piezoelectric plate satisfies the following relationship among the stress F, the vibration frequency F, the spring resilience force F1, the thread pitch d and the length L: 2F · (L + d) = · (F-F1) · lk/h; the value range is 2.32-12.568 for regulating the coefficient.
In addition, when the device is used for displaying information in a diagnosis room, when pedestrians in a corridor walk on the pressing plate, when the pressing plate on two sides below the pressing plate is pressed, the rack drives the gear to rotate, the gear drives the threaded rod to rotate, the threaded rod drives the moving block to move rightwards, the supporting rod connected below the moving block drives the elastic mechanism to move rightwards, meanwhile, the fixed block right below the pressing plate is pressed, two connecting rods and the fixed block rotate while moving downwards, the connecting rods press the elastic mechanism rightwards, and the elastic mechanism and the moving mechanism jointly act to drive the piezoelectric plate to vibrate; the productivity and the strain capacity of the piezoelectric plate are improved; in the process of buffering by the elastic mechanism, the telescopic rod stretches inside the sleeve to realize compression and stretching of the spring, when the spring is compressed, the telescopic rod retracts inside the sleeve, when the spring stretches, the telescopic rod stretches, and in the process of vibration, the piezoelectric plate is buffered to prevent the piezoelectric plate from being damaged due to overlarge amplitude, so that the service life of the piezoelectric plate is effectively prolonged, and the piezoelectric plate is well prevented from being damaged due to overlarge amplitude or collision; when the piezoelectric plate is stressed, two faces of the piezoelectric crystal adhered to the substrate can generate positive and negative two stages, the positive and negative two stages are accompanied by charge movement, positive charges are conveyed to the rectifier and the energy storage device through the lead wires connected with the piezoelectric plate, a peripheral circuit is formed by the inductor and the capacitor to form a power supply for storing and storing electric energy, the HM4601 chip is used as a main control chip through the arrangement of a system circuit, constant current is adjusted through constant voltage control, and constant electric energy is provided for a diagnosis room.
When the piezoelectric plate is vibrated, alternating current signals with the same frequency can be generated at two poles, the piezoelectric plate has the characteristics of high amplitude and low current, the signal amplitude is reduced and processed by connecting the input range of 0-5 Ford of the voltage of the I/O port of the HM4061 and is output to the I/O port of the ME2111, the frequency monitoring of the signals is realized, the alternating current signals are preprocessed by arranging a frequency preprocessing circuit, the amplitude of the signal voltage is reduced, the stability of the frequency of the piezoelectric plate is improved, and the productivity of the piezoelectric plate is further improved.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention relates to a diagnosis room information display system adopting corridor ground self-power generation, which is provided with a moving mechanism and an elastic mechanism to prevent a piezoelectric plate from being damaged due to severe vibration caused by overlarge pressure.
(2) The invention relates to a diagnosis room information display system adopting corridor ground self-generation, wherein a moving mechanism and an elastic mechanism are arranged above a piezoelectric plate, when the pressure plate is pressed, a rack drives a gear to rotate, the gear drives a threaded rod to rotate, the threaded rod drives a moving block to move rightwards, a support rod connected below the moving block drives the elastic mechanism to move rightwards, meanwhile, a fixed block right below the pressure plate is pressed, two connecting rods and the fixed block rotate while moving downwards, the connecting rods press the elastic mechanism rightwards, and the piezoelectric plate is driven to vibrate under the combined action of the elastic mechanism and the moving mechanism.
(3) The invention relates to a diagnosis room information display system adopting corridor ground self-generation, which is characterized in that positive charges are transmitted to a rectifier and an energy accumulator through a lead connected with a piezoelectric plate, a peripheral circuit is formed by an inductor and a capacitor to form a power supply for storing and storing electric energy, an HM4601 chip is used as a main control chip through setting a system circuit, and constant current is controlled and adjusted through constant voltage to provide constant electric energy for a diagnosis room.
(4) According to the diagnostic room information display system adopting corridor ground self-generation, the frequency preprocessing circuit is arranged to preprocess the alternating current signals, the amplitude of the signal voltage is reduced, the stability of the frequency of the piezoelectric plate is improved, and the productivity of the piezoelectric plate is further improved.
(5) The diagnostic room information display system adopting corridor ground self-power generation further increases the strain capacity of the piezoelectric plate and increases the generation of energy by limiting the relation among the length, the width and the thickness of the piezoelectric plate of the vibration frequency of the piezoelectric plate, and outputs stable voltage for the diagnostic room display system.
(6) According to the diagnostic room information display system adopting corridor ground self-power generation, the relations among the stress, the vibration frequency, the spring resilience force, the spring pitch and the spring length of the piezoelectric plate are limited, so that the moving mechanism, the spring mechanism and the piezoelectric plate are connected to play a better synergistic role, the strain capacity of the piezoelectric plate is increased jointly, and the use stability is increased.
(7) According to the diagnostic room information display system adopting corridor ground self-power generation, the relationship among the resilience force of the spring, the screw pitch and length of the spring and the pressure applied to the piezoelectric plate is limited, and in the vibration process, the piezoelectric plate and the elastic mechanism act together to promote each other to be buffered, so that the piezoelectric plate is prevented from being damaged due to overlarge amplitude, the service life of the piezoelectric plate is effectively prolonged, and the piezoelectric plate is well prevented from being damaged due to overlarge amplitude or collision.
(8) The diagnosis room information display system adopting corridor ground self-power generation is beneficial to prolonging the service life of the diagnosis room information display system; the piezoelectric material is utilized in the corridor of the hospital, the generated electric energy is collected and utilized, the diagnosis room display system provides the electric energy, and the energy is effectively saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic cross-sectional overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the moving mechanism of the present invention.
Fig. 3 is an overall schematic view of the elastic mechanism of the present invention.
Fig. 4 is a front view of the spring mechanism of the present invention.
Fig. 5 is a schematic view of the telescopic rod structure of the present invention.
Fig. 6 is a schematic structural view of a piezoelectric plate of the present invention.
Fig. 7 is a schematic diagram of the power collector of the present invention.
FIG. 8 is a circuit diagram of the peripheral circuit of the main control chip of the present invention.
FIG. 9 is a circuit diagram of the frequency and the mathematical operation of the AC signal of the piezoelectric plate according to the present invention.
Fig. 10 is a schematic circuit diagram of a piezoelectric plate of the present invention.
In the figure: 1. a housing; 2. pressing a plate; 3. a fixed block; 4. a connecting rod; 5. a connecting member; 6. a rack; 7. a threaded rod; 8. a gear; 9. a moving block; 10. a bearing; 11. a support bar; 12. a flange; 13. connecting blocks; 14. a sleeve; 15. a telescopic rod; 16. a spring; 17. an electric energy collector; 18. a piezoelectric plate; 19. a base; 20. a substrate; 21. a piezoelectric crystal; 22. a wire guide hole; 23. a rectifier; 24. an energy storage.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings. It is to be understood that the described embodiments are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1, a diagnosis room information display system using corridor ground self-generation; comprises a shell 1; the shell 1 is arranged below the corridor, a cavity is arranged inside the shell 1, a gap is formed in the top of the shell 1, a pressing plate 2 is embedded in the gap, and the pressing plate 2 is in clearance connection with the shell 1; two rows of moving mechanisms are symmetrically arranged below the shell 1, a plurality of moving mechanisms are arranged in each row, the two rows of moving mechanisms extend along the ground direction of the corridor, each moving mechanism comprises a supporting rod 11, an elastic mechanism is arranged below each supporting rod 11, and the elastic mechanisms are connected with the bottom ends of the supporting rods 11; the other end of the elastic mechanism is provided with a connecting block 13;
a fixed block 3 is connected to the position, close to the center, below the pressing plate 2, two rows of connecting rods 4 are symmetrically arranged on the fixed block 3, and a plurality of connecting rods are arranged in each row; one end of the connecting rod 4 is rotatably connected with the fixed block 3 through a pin shaft, the other end of the connecting rod 4 is connected with a connecting piece 5, and the connecting rod 4 is rotatably connected with a connecting block 13 through the connecting piece 5;
the outer side wall below the connecting block 13 is connected with a piezoelectric plate 18, the other end of the piezoelectric plate 18 is connected with a base 19, and two ends of the base 19 are both connected with the inner wall of the shell 1; an electric energy collector 17 is arranged at the center position above the base 19; a lead is arranged inside the base 19, one end of the piezoelectric plate 18 is connected with the lead inside the base 19, and the piezoelectric plate 18 is connected with the electric energy collector 17 through a lead; the electric energy collector 17 is connected with a power supply through a lead, stores energy through the power supply, and the power supply provides electric energy for a display outside the diagnosis room for displaying diagnosis information on the display.
Example two:
on the basis of the first embodiment, as shown in fig. 2, the moving mechanism comprises a rack 6 and a threaded rod 7, and one end of the rack 6 is vertically connected with the pressure plate 2; one end of the threaded rod 7 is connected with a bearing 10, the threaded rod 7 is rotatably connected with the inner wall of the shell 1 through the bearing 10, a gear 8 is arranged at the other end of the threaded rod 7, and the gear 8 is in interference connection with the threaded rod 7; the gear 8 is meshed with the rack 6.
A moving block 9 is sleeved on the threaded rod 7, an internal threaded hole is formed in the center of the moving block 9, and the moving block 9 is in matched rotating connection with the moving block 9 through the internal threaded hole; the outer side wall of the moving block 9 is connected with a support rod 11, and the support rod 11 is arranged below the threaded rod 7 and is perpendicular to the threaded rod 7.
Example three:
as shown in fig. 3 to 5, on the basis of the first embodiment, the elastic mechanism includes a connecting block 13, one end of the connecting block 13 is connected with a sleeve 14, an expansion rod 15 is arranged inside the sleeve 14, and the other end of the expansion rod 15 is connected with a flange 12 disc, and is connected with the support rod 11 through the flange 12 disc.
One end of the sleeve 14, which is close to the connecting block 13, is connected with a flange 12, a plurality of through holes are formed in the connecting block 13, and the sleeve 14 is connected with the connecting block 13 through the flange 12; the pipe wall at the other end of the sleeve 14 is bent towards the interior of the sleeve 14 and is in a vertical structure with the pipe body of the sleeve 14; one end of the telescopic rod 15 close to the sleeve 14 is provided with a bending piece towards the outside of the telescopic rod 15, and the bending piece and the telescopic rod 15 form an angle of 90 degrees; the provision of the crimp prevents the telescopic rod 15 from slipping out of the interior of the sleeve 14.
One end of the telescopic rod 15, far away from the sleeve 14, is connected with a flange 12, and the supporting rod 11 is provided with a through hole corresponding to the flange 12 and is connected with the supporting rod 11 through the flange 12; the spring 16 is sleeved outside the sleeve 14 and the telescopic rod 15, one end of the spring 16 is connected with the connecting block 13, and the other end of the spring 16 is connected with the supporting rod 11.
In order to further increase the strain capacity of the piezoelectric plate 18 and prevent the piezoelectric plate 18 from being damaged due to overlarge deformation caused by overlarge bearing capacity, a moving mechanism and an elastic mechanism are arranged above the piezoelectric plate 18, when the pressure plate 2 is pressed, the rack 6 drives the gear 8 to rotate, the gear 8 drives the threaded rod 7 to rotate, the threaded rod 7 drives the moving block 9 to move rightwards, the support rod 11 connected below the moving block 9 drives the elastic mechanism to move rightwards, meanwhile, the fixed block 3 right below the pressure plate 2 is pressed and moves downwards, the two connecting rods 4 and the fixed block 3 rotate, the connecting rods 4 press the elastic mechanism rightwards, the elastic mechanism and the moving mechanism jointly act to drive the piezoelectric plate 18 to vibrate, in the vibration process, the piezoelectric plate 18 is buffered, the vibration amplitude is prevented from being overlarge, the piezoelectric plate 18 is prevented from being damaged, and the service life of the piezoelectric plate 18 is effectively, the piezoelectric plate 18 is well prevented from being damaged due to overlarge amplitude or collision; the resilient force F1 of the spring 16 and the pitch d, length L and pressure F to which the piezoelectric plate 18 is subjected satisfy the following relationship: F-F1 ═ k · (L/d); k is an elastic coefficient, and the value range is 35-80%; f unit N/m; d. l is in cm.
Preferably, in order to make the connection between the moving mechanism, the spring 16 mechanism and the piezoelectric plate 18 play a better synergistic role, and to increase the strain capacity of the piezoelectric plate 18 and the stability of the use, the piezoelectric plate 18 is stressed by the following relationship among the force F, the vibration frequency F, the resilience force F1 of the spring 16, the pitch d, and the length L: 2F · (L + d) = · (F-F1) · lk/h; the value range is 2.32-12.568 for regulating the coefficient.
Example four
On the basis of the first embodiment, as shown in fig. 6 to 7, one end of the piezoelectric plate 18 is fixed on the base 19, the piezoelectric plate 18 includes a substrate 20, a layer of piezoelectric crystals 21 is disposed above the substrate 20, and two sides of the piezoelectric crystals 21 are connected with wires.
A rectifier 23 is arranged inside the electric energy collector 17, a wire hole 22 is arranged at one end of the electric energy collector 17, and a wire is arranged through the wire hole 22 and connected with the piezoelectric plate 18; the rectifier 23 integrates the alternating current into direct current, and transmits the direct current to the energy storage device 24 through a lead, and the energy storage device 24 transmits the electric energy to a power supply source of a display screen of the diagnosis room to provide electric energy for the display system.
The piezoelectric plate 18 vibrates to generate an alternating current signal, the electric signal enters the rectifier 23, the alternating current signal is preprocessed through the frequency preprocessing circuit, and the amplitude of the signal voltage is reduced; when the piezoelectric plate 18 vibrates, two positive and negative levels appear on both surfaces of the piezoelectric crystal 21 bonded to the substrate 20, and electric charges move.
To further increase the strain capacity of the piezoelectric plate 18, increase energy production, output a steady voltage for the diagnostic room display system; when the stress F of the piezoelectric plate 18 is too large, the piezoelectric plate 18 is easy to damage, and when the stress F of the piezoelectric plate is too small, the productivity of the piezoelectric plate 18 is too low, and the efficiency of generating electric energy is low; the vibration frequency f of the piezoelectric plate 18 is in a certain relation with the productivity of the piezoelectric plate 18, and the vibration frequency of the piezoelectric plate 18 and the length l, the width s and the thickness h of the piezoelectric plate 18 meet the following relation, wherein f = · lk/h; in the above formula, the value range is 25% -75% for the frequency difference adjustment coefficient; the units of l, s and h are cm.
EXAMPLE five
On the basis of the first embodiment, as shown in fig. 8-10, in addition, in the process of displaying information in a diagnosis room, when a pedestrian in a corridor walks on the pressing plate 2, when the pressing plate 2 is pressed on two sides below the pressing plate 2, the rack 6 drives the gear 8 to rotate, the gear 8 drives the threaded rod 7 to rotate, the threaded rod 7 drives the moving block 9 to move rightwards, the supporting rod 11 connected below the moving block 9 drives the elastic mechanism to move rightwards, meanwhile, the fixed block 3 under the pressing plate 2 is pressed, and when the fixed block moves downwards, the two connecting rods 4 and the fixed block 3 rotate, the connecting rods 4 press the elastic mechanism rightwards, and the piezoelectric plate 18 is driven to vibrate under the combined action of the elastic mechanism and the moving mechanism; the productivity and the strain capacity of the piezoelectric plate 18 are improved; in the process of buffering by the elastic mechanism, the telescopic rod 15 stretches inside the sleeve 14 to realize compression and stretching of the spring 16, when the spring 16 is compressed, the telescopic rod 15 retracts inside the sleeve 14, when the spring 16 stretches, the telescopic rod 15 stretches, and in the process of vibration, the piezoelectric plate 18 is buffered to prevent the piezoelectric plate 18 from being damaged due to overlarge amplitude, so that the service life of the piezoelectric plate 18 is effectively prolonged, and the piezoelectric plate 18 is well prevented from being damaged due to overlarge amplitude or collision; when the piezoelectric plate 18 is pressed, two positive and negative stages can appear on two surfaces of the piezoelectric crystal adhered on the substrate 20, along with charge movement, positive charges are transmitted to the rectifier 23 and the energy storage device 24 through the lead wires connected with the piezoelectric plate 18, a peripheral circuit is formed by an inductor and a capacitor to form a power supply for storing and storing electric energy, the HM4601 chip is used as a main control chip through the arrangement of a system circuit, constant current is adjusted through constant voltage control, and constant electric energy is provided for a diagnosis room.
When the piezoelectric plate 18 is vibrated, alternating current signals with the same frequency can be generated at two poles, the piezoelectric plate has the characteristics of high amplitude and low current, the amplitude of the signals is reduced and processed by connecting the input range of 0-5 Ford of the voltage of the I/O port of the HM4061, the signals are output to the I/O port of the ME2111, the frequency monitoring of the signals is realized, the alternating current signals are preprocessed by arranging a frequency preprocessing circuit, the amplitude of the signal voltage is reduced, the stability of the frequency of the piezoelectric plate 18 is improved, and the productivity of the piezoelectric plate 18 is further improved.
The device obtained by the technical scheme is a diagnostic room information display system adopting corridor ground self-power generation, and the moving mechanism and the elastic mechanism are arranged, so that the piezoelectric plate is prevented from being damaged due to severe vibration caused by overlarge pressure; a moving mechanism and an elastic mechanism are arranged above the piezoelectric plate 18, when the pressure plate 2 is pressed, the rack 6 drives the gear 8 to rotate, the gear 8 drives the threaded rod 7 to rotate, the threaded rod 7 drives the moving block 9 to move rightwards, the support rod 11 connected below the moving block 9 drives the elastic mechanism to move rightwards, meanwhile, the fixed block 3 right below the pressure plate 2 is pressed, the two connecting rods 4 and the fixed block 3 rotate while moving downwards, the connecting rods 4 press the elastic mechanism rightwards, and the piezoelectric plate 18 is driven to vibrate under the combined action of the elastic mechanism and the moving mechanism, so that the piezoelectric plate 18 is buffered in the vibration process, the piezoelectric plate 18 is prevented from being damaged due to overlarge amplitude, the service life of the piezoelectric plate 18 is effectively prolonged, and the piezoelectric plate 18 is well prevented from being damaged due to overlarge amplitude or collision; positive charges are transmitted to the rectifier 23 and the energy storage device 24 through wires connected with the piezoelectric plate 18, a peripheral circuit is formed by an inductor and a capacitor to form a power supply for storing and storing electric energy, a system circuit is arranged, an HM4601 chip is used as a main control chip, constant current is adjusted through constant voltage control, and constant electric energy is provided for a diagnosis room; the frequency preprocessing circuit is arranged to preprocess the alternating current signals, the amplitude of the signal voltage is reduced, the stability of the frequency of the piezoelectric plate 18 is improved, and the productivity of the piezoelectric plate 18 is further improved; by defining the relationship between the length, width and thickness of the piezoelectric plate 18 at the vibration frequency of the piezoelectric plate 18, the strain capacity of the piezoelectric plate 18 is further increased, the generation of energy is increased, and a stable voltage is output for a diagnosis room display system; by limiting the relationship among the stress of the piezoelectric plate 18, the vibration frequency, the resilience force of the spring 16, the pitch of the spring 16 and the length of the spring 16, the connection among the moving mechanism, the spring 16 mechanism and the piezoelectric plate 18 plays a better role in cooperation, the strain capacity of the piezoelectric plate 18 is increased jointly, and the use stability is increased; by limiting the relationship between the resilience force of the spring 16 and the pitch and length thereof and the pressure applied to the piezoelectric plate 18, in the vibration process, the piezoelectric plate 18 and the elastic mechanism act together to promote each other, so that the vibration is buffered, the piezoelectric plate 18 is prevented from being damaged due to overlarge vibration amplitude, the service life of the piezoelectric plate 18 is effectively prolonged, and the piezoelectric plate 18 is well prevented from being damaged due to overlarge vibration amplitude or collision; the service life of the material is prolonged; the piezoelectric material is utilized in the corridor of the hospital, the generated electric energy is collected and utilized, the diagnosis room display system provides the electric energy, and the energy is effectively saved.
Other technical solutions not described in detail in the present invention are prior art in the field, and are not described herein again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A diagnostic room information display system adopting corridor ground self-power generation; comprises a shell (1); the novel corridor is characterized in that the shell (1) is arranged below the corridor, a cavity is arranged in the shell (1), a gap is formed in the top of the shell (1), a pressing plate (2) is embedded in the gap, and the pressing plate (2) is in clearance connection with the shell (1); two rows of moving mechanisms are symmetrically arranged below the shell (1), a plurality of moving mechanisms are arranged in each row, the two rows of moving mechanisms extend along the ground direction of the corridor, each moving mechanism comprises a supporting rod (11), an elastic mechanism is arranged below each supporting rod (11), and the elastic mechanisms are connected with the bottom ends of the supporting rods (11); the other end of the elastic mechanism is provided with a connecting block (13);
a fixed block (3) is connected to the position, close to the center, below the pressing plate (2), two rows of connecting rods (4) are symmetrically arranged on the fixed block (3), and a plurality of connecting rods are arranged in each row; one end of the connecting rod (4) is rotatably connected with the fixed block (3) through a pin shaft, the other end of the connecting rod (4) is connected with the connecting piece (5), and the connecting rod (4) is rotatably connected with the connecting block (13) through the connecting piece (5);
the outer side wall below the connecting block (13) is connected with a piezoelectric plate (18), the other end of the piezoelectric plate (18) is connected with a base (19), and two ends of the base (19) are connected with the inner wall of the shell (1); an electric energy collector (17) is arranged at the center position above the base (19); a lead is arranged in the base (19), one end of the piezoelectric plate (18) is connected with the lead in the base (19), and the piezoelectric plate (18) is connected with the electric energy collector (17) through a lead; the electric energy collector (17) is connected with a power supply through a lead, energy is stored through the power supply, and the power supply provides electric energy for a display outside the diagnosis room and is used for displaying diagnosis information on the display.
2. The system for displaying the information of the diagnosis room using the corridor self-generation function on the ground as claimed in claim 1, wherein the moving mechanism comprises a rack (6) and a threaded rod (7), one end of the rack (6) is vertically connected with the pressing plate (2); one end of the threaded rod (7) is connected with a bearing (10), the threaded rod (7) is rotatably connected with the inner wall of the shell (1) through the bearing (10), a gear (8) is arranged at the other end of the threaded rod (7), and the gear (8) is in interference connection with the threaded rod (7); the gear (8) is meshed with the rack (6).
3. The system for displaying the information of the diagnosis room adopting the corridor ground to generate electricity is characterized in that a moving block (9) is sleeved on the threaded rod (7), an internal threaded hole is formed in the center of the moving block (9), and the moving block (9) is in matched and rotating connection with the moving block (9) through the internal threaded hole; the outer side wall of the moving block (9) is connected with a support rod (11), and the support rod (11) is arranged below the threaded rod (7) and is perpendicular to the threaded rod (7).
4. The system for displaying information of a diagnosis room using corridor self-generation on the ground as claimed in claim 1, wherein the elastic mechanism comprises a connecting block (13), one end of the connecting block (13) is connected with a sleeve (14), a telescopic rod (15) is arranged inside the sleeve (14), the other end of the telescopic rod (15) is connected with a flange (12) disc, and the flange (12) disc is connected with the supporting rod (11).
5. The diagnostic room information display system adopting corridor self power generation on the ground as claimed in claim 4, wherein one end of the sleeve (14) close to the connecting block (13) is connected with a flange (12), the connecting block (13) is provided with a plurality of through holes, and the sleeve (14) is connected with the connecting block (13) through the flange (12); the pipe wall at the other end of the sleeve (14) is bent towards the interior of the sleeve (14) and is in a vertical structure with the pipe body of the sleeve (14); one end of the telescopic rod (15) close to the sleeve (14) is provided with a bending piece towards the outside of the telescopic rod (15), and the bending piece and the telescopic rod (15) form an angle of 90 degrees; the bending piece is arranged to prevent the telescopic rod (15) from slipping out of the sleeve (14).
6. The diagnostic room information display system adopting corridor ground self-generation is characterized in that one end, far away from a sleeve (14), of a telescopic rod (15) is connected with a flange (12), a through hole corresponding to the flange (12) is formed in a supporting rod (11), and the supporting rod (11) is connected with the flange (12); the outside cover of sleeve pipe (14) and telescopic link (15) is equipped with spring (16), and the one end and the connecting block (13) of spring (16) are connected, and the other end is connected with bracing piece (11).
7. The system for displaying information of a diagnosis room using corridor self-generation as claimed in claim 1, wherein one end of the piezoelectric plate (18) is fixed on a base (19), the piezoelectric plate (18) comprises a substrate (20), a layer of piezoelectric crystal (21) is arranged above the substrate (20), and both sides of the piezoelectric crystal (21) are connected with wires.
8. The diagnostic room information display system adopting corridor ground self-generation as claimed in claim 1, wherein a rectifier (23) is arranged inside the electric energy collector (17), one end of the electric energy collector (17) is provided with a wire hole (22), and a wire is arranged through the wire hole (22) and connected with the piezoelectric plate (18); the rectifier (23) integrates alternating current into direct current, and transmits the direct current to the energy storage device (24) through a lead, and the energy storage device (24) transmits electric energy to a power supply source of a display screen of a diagnosis room so as to provide electric energy for a display system.
9. The system for displaying information in a diagnosis room using corridor self-generation based on the ground as claimed in claim 1, wherein the piezoelectric plate (18) vibrates to generate an ac signal, the ac signal enters the rectifier (23), and the ac signal is pre-processed by a frequency pre-processing circuit to reduce the amplitude of the signal voltage.
10. The system for displaying information in a diagnosis room using corridor floor self-generation according to claim 1, wherein when the piezoelectric plate (18) vibrates, two positive and negative stages appear on both sides of the piezoelectric crystal (21) adhered to the substrate (20), accompanied by charge movement.
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| JP2011066970A (en) * | 2009-09-15 | 2011-03-31 | Sumida Corporation | Piezoelectric generator |
| CN103138626A (en) * | 2013-03-13 | 2013-06-05 | 苏州市职业大学 | Piezoelectric type capturing device of human walking energy |
| CN107395062A (en) * | 2017-08-28 | 2017-11-24 | 北京工业大学 | A kind of road surface energy collecting device based on piezoelectricity clockwork spring |
| CN110419806A (en) * | 2019-07-22 | 2019-11-08 | 江苏大学 | A kind of self power generation shoes that intrinsic frequency manually adjusts and its adjust reminding method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2011066970A (en) * | 2009-09-15 | 2011-03-31 | Sumida Corporation | Piezoelectric generator |
| CN103138626A (en) * | 2013-03-13 | 2013-06-05 | 苏州市职业大学 | Piezoelectric type capturing device of human walking energy |
| CN107395062A (en) * | 2017-08-28 | 2017-11-24 | 北京工业大学 | A kind of road surface energy collecting device based on piezoelectricity clockwork spring |
| CN110419806A (en) * | 2019-07-22 | 2019-11-08 | 江苏大学 | A kind of self power generation shoes that intrinsic frequency manually adjusts and its adjust reminding method |
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