CN114877976A - Self-generating weighing scale - Google Patents
Self-generating weighing scale Download PDFInfo
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- CN114877976A CN114877976A CN202210512184.4A CN202210512184A CN114877976A CN 114877976 A CN114877976 A CN 114877976A CN 202210512184 A CN202210512184 A CN 202210512184A CN 114877976 A CN114877976 A CN 114877976A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
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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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/007—Integrated arrangements for generating electrical power, e.g. solar cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention belongs to the technical field of weighing scales and discloses a self-generating weighing scale which comprises a scale body, a miniature water wheel generating system and a pneumatic assembly, wherein the scale body comprises a pressure sensing unit, a rectifying circuit, an energy storage unit, a display unit, a base and a shell; the invention solves the problems of harsh application conditions, low energy collection efficiency, large energy consumption and uninteresting functions of the self-generating body weight scale in the prior art, and is suitable for weighing body weight.
Description
Technical Field
The invention relates to the technical field of weighing scales, in particular to a self-generating weighing scale.
Background
With the improvement of living standard, diseases caused by excessive calorie intake are more and more, and in order to effectively monitor the weight change of the user, many families and some public places are equipped with weighing scales, and the existing weighing scales mainly comprise a mechanical type and an electronic type. The mechanical weighing scale is not easy to break down, is durable, but is low in weighing precision, and for some users making weight-reducing plans, a set target needs to be finished every day, the weighing precision of the users meets the requirement of gram, errors of the mechanical weighing scale cannot be accepted by the users, and the mechanical weighing scale is not attractive and large in mass and cannot meet the existing market requirements; the precision of the electronic scale is good, but the existing electronic weighing scale adopts batteries for power supply, and the waste batteries pollute the environment and are not beneficial to environmental protection; moreover, the battery is often placed on the ground, especially in wet occasions such as a bathroom and the like, so that the battery is easily attacked by moisture; if the battery is stored for a long time and is used less, the battery can leak liquid, the electrode can rust, and the scale body and the storage position can be corroded. When the electric quantity of the battery is used up, if the battery cannot be replaced in time, the scale cannot be used, and inconvenience is brought to a user; improper disposal of the replaced battery can cause damage to the environment. Therefore, what kind of mode is adopted to replace the battery power supply of current electronic weighing scale to ensure that this electronic weighing scale can be suitable for moist occasion, can use for a long time, friendly to the environment and performance are good, is the problem that this technical field needs to solve urgently.
At present, a rechargeable battery is mostly adopted for supplying power to an electronic weighing scale without a battery or for supplying power from a self-generating mode, the electronic weighing scale cannot be used due to the fact that the electric quantity of the battery is used up in a rechargeable battery power supply mode, the rechargeable battery can be used for a long time only by being large in capacity, otherwise, the electronic weighing scale needs to be frequently charged, and is inconvenient to use; the self-generating mode mainly comprises solar power generation and mechanical transmission power generation. The solar power generation is environment-friendly enough, but the manufacturing cost is high, the dependence on the use environment is large, and the indoor daily use requirement is difficult to meet; in the existing mechanical transmission power generation body weight scale, an operator needs to apply force to a certain part of the surface of the scale before using the scale, and then the scale can be used after driving an internal power generation device through a series of complex mechanical transmission, so that the overall structure is complex, and the scale body is heavy; in addition, for wet environments such as bathrooms, mechanical transmission structural parts are easy to rust, and a transmission device is easy to damage, so that the power generation effect is poor, and the normal use of the weighing scale is influenced.
In order to solve the above problems, chinese patent (patent publication No. CN107941308A) discloses an electronic scale using water flow to generate power, comprising: a bottom case; the electronic weighing component is arranged in the bottom shell; the turbine power generation assembly is arranged in the bottom shell, generates power through water flow driving and outputs electric energy to the electronic weighing assembly; the turbine power generation assembly comprises a water flow channel arranged in the bottom shell, a rotatable turbine is arranged in the water flow channel, the output end of the turbine extends out of the water flow channel and is in transmission connection with an electromagnetic generator, and electric energy generated by the electromagnetic generator is connected with an energy storage module after being processed by a voltage stabilizing circuit and a rectifying circuit; the water flow channel comprises a water inlet pipe, a water outlet pipe and a hollow cavity, wherein two sides of the hollow cavity are respectively communicated with the water inlet pipe and the water outlet pipe, and the turbine is rotatably installed in the hollow cavity.
According to the scheme, water enters the water inlet pipe, the turbine power generation assembly is driven by water flow to generate power, then the water flow flows out of the water outlet pipe, and electric energy generated by the turbine power generation assembly is supplied to the electronic weighing assembly to work, so that the electronic weighing assembly does not need to rely on a battery for working; but the scale does not recycle water resources, a large amount of water flow is needed to drive the turbine to rotate in the power generation process, the scale cannot be used at all in places without water sources, the application condition is harsh, the energy collection efficiency is low, and the scale is not easy to carry; therefore, a self-generating electronic scale which is resource-saving, high in energy collection efficiency, easy to implement and easy to carry is needed.
Disclosure of Invention
The invention aims to provide a self-generating body weight scale, and solves the problems that in the prior art, the self-generating body weight scale is harsh in application condition, low in energy collection efficiency and large in energy consumption.
In order to achieve the above purpose, the invention provides the following technical scheme:
the basic technical scheme provided by the invention is as follows: a self-generating body weight scale comprises a scale body and a miniature water wheel generating system, wherein the scale body comprises a pressure sensing unit, a rectifying circuit, an energy storage unit, a display unit, a base and a shell, the miniature water wheel generating system is arranged between the base and the shell, the miniature water wheel generating system comprises a driving liquid bag and a driven liquid bag, the driving liquid bag is connected with a liquid inlet pipe and a liquid return pipe, a liquid outlet of the liquid inlet pipe is communicated with the driven liquid bag, a liquid inlet of the liquid return pipe is communicated with the driven liquid bag, Tesla valves are arranged inside the liquid inlet pipe and the liquid return pipe, liquid in the liquid inlet pipe flows from the driving liquid bag to one side of the driven liquid bag in a downstream manner, liquid in the liquid return pipe flows from the driven liquid bag to one side of the driving liquid bag in a downstream manner, and the liquid inlet pipe is also communicated with a miniature water wheel generator, the liquid in the liquid inlet pipe is driven by the driving liquid bag to flow to one side of the driven liquid bag to drive the miniature hydraulic generator to generate electricity, the miniature hydraulic generator is connected with the rectifying circuit, the energy storage unit is electrically connected with the display unit, the miniature hydraulic generator runs to generate electricity and is stored in the energy storage unit after being rectified by the rectifying circuit, the energy storage unit is used for supplying power to the display unit, the pressure sensing unit is used for collecting the pressure applied to the weighing scale, and the pressure sensing unit is electrically connected with the display unit.
The principle of the basic technical scheme is as follows: the driving liquid bag is filled with liquid, when a human body stands on the driving liquid bag, the liquid inside the driving liquid bag is extruded into the driven liquid bag through the liquid inlet pipe under the action of the gravity of the human body, the flowing liquid drives the miniature water wheel generator to generate electricity in the process that the liquid flows through the liquid inlet pipe, the self-electricity generation of the weighing scale is realized, the generated electricity is stored in the energy storage unit after being rectified by the rectifying circuit, and the pressure sensing unit is used for sensing the pressure applied to the scale body and displaying the pressure on the display unit. The driving liquid bag flows from one side of the driven liquid bag under the gravity condition, and the tesla valve is arranged in the liquid inlet pipe to enable the liquid in the driving liquid bag to flow to one side of the driven liquid bag in a downstream manner, so that the backflow of the liquid is avoided; the Tesla valve arranged in the liquid return pipe enables liquid in the liquid return pipe to flow to one side of the driving liquid bag in a downstream mode, so that when the driving liquid bag is pressed, the liquid is prevented from flowing into the driven liquid bag from the liquid return pipe, and the power generation efficiency is reduced; after the pressure of the active liquid sac is cancelled, the original shape of the active liquid sac is automatically recovered by utilizing the elasticity of the active liquid sac, and the liquid is sucked back into the active liquid sac from the passive liquid sac, so that the cyclic utilization of the liquid is realized.
The beneficial effects of the basic technical scheme are as follows:
1. the power generation device can generate power when standing on the scale, so that environmental damage and potential danger caused by the use of a battery are avoided, and the trouble that the scale cannot be used when the electric quantity of the battery is exhausted is also avoided;
2. the Tesla valve is arranged in the conduit and serves as a one-way valve, so that liquid can be accelerated towards the downstream side and decelerated towards the upstream side, even stopped, the energy collection efficiency of the micro water turbine power generation system is high, the whole device is simple in structure, the weight scale does not need to be charged by treading in advance, the convenience of use of a user is not affected, and meanwhile, no moving part is arranged in the device, so that the device is simpler and more reliable;
3. the liquid used for power generation is recycled in the driving liquid bag and the driven liquid bag, so that the waste of water resources is avoided, and the consumption of the water resources is low;
4. in the process of weighing the weight, the human body needs to step on the driving liquid sac to enable the liquid in the driving liquid sac to flow into the driven liquid sac, so that the touch feeling in the process of weighing the weight is increased, the use pleasure is improved, and the driving liquid sac is easy to popularize, accept and use.
Preferably, miniature hydraulic generator is for utilizing electromagnetic induction cutting magnetic induction line formula generator, miniature hydraulic generator includes impeller and stator, the impeller includes the annular cover, the annular cover with the base rotates to be connected, the outside of annular cover is connected with driving vane, the internal connection of annular cover has the permanent magnet, the stator is located the inboard of annular cover.
Through the arrangement, in the process that a human body treads the active liquid sac, flowing liquid drives the driving blade of the miniature hydro-generator to rotate, and the driving blade drives the annular sleeve and the permanent magnet to rotate, so that the stator inside the miniature hydro-generator continuously cuts the magnetic induction lines of the permanent magnet, and self-power generation is realized; the electromagnetic induction cutting magnetic induction line type power generation device utilizes electromagnetic induction to cut magnetic induction lines to generate power, the generated energy is in positive correlation with the speed of cutting the magnetic induction lines, namely the faster the flow speed of liquid is, the more the generated energy is, the demand on the electric quantity in the using process is ensured, and the power generation stability of the mode of cutting the magnetic induction lines is good.
Preferably, the base is further connected with an air pressure assembly, the air pressure assembly comprises an eccentric cam, a pressing groove body, an inflator assembly and a backflow air bag, the eccentric cam is coaxially connected with the impeller, the eccentric cam is matched with the pressing groove body, the pressing groove body is connected with a pressing handle of the inflator assembly, the inflator assembly is further connected with a return spring, an air outlet of the inflator assembly is connected with an inflation tube, an air outlet of the inflation tube is communicated with the backflow air bag, a gas one-way valve is arranged inside the inflation tube, gas in the inflation tube flows to one side of the backflow air bag through the inflator assembly, the backflow air bag is further connected with an air return tube, a free end of the air return tube is communicated with the driven liquid bag, a waterproof breathable film is arranged inside the air return tube, and the driving liquid bag is provided with a pressure relief hole, and a waterproof breathable film is also arranged in the pressure relief hole.
Through the arrangement, the eccentric cam of the air pressure assembly is coaxially connected with the impeller of the miniature hydro-generator, so that the impeller can synchronously drive the eccentric cam to rotate when rotating, the eccentric cam rotates to periodically press the pressing groove body, the pressing groove body continuously extrudes the inflator assembly, the inflator assembly resets under the action of the reset spring, namely, the continuously rotating eccentric cam drives the inflator assembly to continuously inflate the backflow air bag, the gas check valve is arranged in the inflation tube to ensure that gas can only enter the backflow air bag from the inflator assembly and cannot flow into the inflator assembly from the backflow air bag, after the pressure on the driving liquid bag is cancelled, the liquid is sucked back by the elasticity of the driving liquid bag, meanwhile, the gas in the backflow air bag is utilized to blow the liquid in the driven liquid bag into the driving liquid bag, and the backflow speed of the liquid is improved, further quickening the circulation speed of the liquid and simultaneously further improving the service performance of the whole device. Wherein, waterproof ventilated membrane in the return air pipe makes the gas in the backward flow gasbag can get into from the liquid bag smoothly, and from the liquid in the liquid bag can't get into the backward flow gasbag in, the pressure release hole that initiative liquid bag was equipped with ensures the stability of its inside atmospheric pressure of this device when not using, ensures that this device can used repeatedly many times.
Preferably, first liquid bag groove, second liquid bag groove and gasbag groove have been seted up to the shell, initiative liquid bag is located the inside in first liquid bag groove, driven liquid bag is located the inside in second liquid bag groove, the backward flow gasbag is located the inside in gasbag groove, initiative liquid bag embedding the degree of depth of shell is 2 ~ 10mm, the upper surface of initiative liquid bag is higher than the height of shell upper surface is 5 ~ 10mm, driven liquid bag with the backward flow gasbag imbeds completely the shell, the display element the upper surface with the upper surface parallel and level of shell.
Through the setting, set up the groove of placing initiative liquid bag, driven liquid bag and backward flow gasbag on the shell, carry on spacingly to it respectively, ensure the stability of use, moreover, the upper surface of initiative liquid bag is higher than the upper surface of shell for at the in-process of weighing the weight, people can audio-visual experience and see that its inside liquid flows from the liquid bag in, further improved user's enjoyment.
Preferably, the active liquid bag and the backflow air bag are both provided with two parts, the active liquid bag is in a sole shape, the two parts of the active liquid bag are symmetrically arranged relative to the central plane of the scale body, and the two parts of the backflow air bag are symmetrically arranged on two sides of the display unit.
Through the arrangement, the two active liquid bags in the shape of the sole are visual and easy to use; the two backflow air bags are symmetrically arranged on two sides of the display unit, so that the change of the backflow air bags is easy to observe, and the pleasure of a user is improved; meanwhile, the active liquid sac can be made into the shapes of small animals, insects, plants and the like so as to be suitable for or attract groups of different sexes and ages.
Preferably, the backflow air bag is a winding drum type air bag, scale marks are evenly engraved on the upper surface of the shell, and the scale marks are matched with the backflow air bag.
Through the aforesaid setting, can straighten after reel formula gasbag absorbed gas, weight is heavier more in general moreover, and the speed of straightening is faster, and the length that stretches out is also longer, and it both can improve and use the enjoyment, mutually supports with the scale mark again for the user can judge through the change speed and the length of reel formula gasbag and knows the weight scope of oneself.
Preferably, the housing is made of a transparent material, the driven liquid bag has two pieces, the two pieces of driven liquid bag are drum type air bags, and the two pieces of driven liquid bag are symmetrically arranged on two sides of the display unit.
Through the setting, its miniature hydraulic generator system is inside can audio-visually be seen to transparent shell, and the liquid in the initiative liquid bag flows in from the liquid bag, and the driven liquid bag of reel formula can be straightened and the exhibition is put down by liquid moreover, very big improvement use enjoyment, simultaneously when cancellation pressure, can also liquid pressure back initiative liquid bag when from the liquid bag recoil shrink for the circulation rate of liquid.
Preferably, the volumes of the driving liquid bag and the driven liquid bag are both 30-100 ml, the thickness of the miniature hydraulic generator is 3-10 mm, and the diameters of the liquid inlet pipe and the liquid return pipe are both 2-10 mm.
Through the arrangement, the whole weight scale is small and exquisite and is easy to carry and store.
Preferably, the feed liquor pipe includes first feed liquor pipe and second feed liquor pipe, first feed liquor pipe with initiative fluid bag with miniature hydraulic generator connects, the second feed liquor pipe with miniature hydraulic generator with driven fluid bag connects, first feed liquor pipe with the second feed liquor pipe all with miniature hydraulic generator is tangent, first feed liquor pipe with contained angle between the second feed liquor pipe is one of 0 °, 90 or 180.
Through the arrangement, when the included angle between the first liquid inlet pipe and the second liquid inlet pipe is 0 degree and 90 degrees, the distance between the driving liquid bag and the driven liquid bag is short, the circulating flow speed of liquid in the driving liquid bag is high, and the power generation device is suitable for power generation requirements with high frequency; when the included angle between the first liquid inlet pipe and the second liquid inlet pipe is 180 degrees, the driving effect of liquid on the impeller is good, and the device is suitable for the requirement of large generating capacity for single use. Therefore, the connection mode of which the form is selected according to the actual requirement can be selected, and the application range is further expanded.
Preferably, the flowable medium contained in the active liquid bag is one or more of water, oil or gas.
Through the setting, multiple medium all can realize the spontaneous electricity of this device, and the requirement of processing production is low, the sexual valence relative altitude.
Drawings
FIG. 1 is a schematic structural diagram of a self-generating body weight scale according to the invention;
FIG. 2 is a front view of a self-generating scale of the present invention;
FIG. 3 is a schematic structural diagram of a micro water wheel power generation system part of the self-generating body weight scale according to the invention;
FIG. 4 is a schematic structural diagram of an air pressure assembly of a self-generating body weight scale according to the present invention;
FIG. 5 is a schematic structural view of a self-generating body weight scale miniature water wheel power generation system and an air pressure component part of the invention;
FIG. 6 is a cross-sectional view of a self-generating scale miniature hydro-generator of the present invention;
FIG. 7 is a schematic structural diagram of a Tesla valve of a self-generating body weight scale according to the present invention;
FIG. 8 is a front view of a self-generating scale of the present invention with two active fluid bags;
FIG. 9 is a schematic structural diagram of a self-generating body weight scale in which an included angle between a first liquid inlet pipe and a second liquid inlet pipe is 0 degree;
FIG. 10 is a schematic structural view of a self-generating weighing scale according to the present invention, in which an included angle between a first liquid inlet pipe and a second liquid inlet pipe is 90 degrees;
the names of corresponding labels in the drawings are:
the device comprises a base 1, a driving liquid bag 2, a driven liquid bag 3, a miniature hydro-generator 4, a liquid inlet pipe 5, a first liquid inlet pipe 5A, a second liquid inlet pipe 5B, a liquid return pipe 6, a shell 7, a first liquid bag groove 8, a second liquid bag groove 9, a display unit 10, an impeller 11, a driving blade 12, an annular sleeve 13, a permanent magnet 14, a stator 15, an eccentric cam 16, a pressing groove body 17, an inflator pump assembly 18, a return spring 19, a return air bag 20, an inflation pipe 21, a gas return pipe 22, an air bag groove 23 and a Tesla valve 24.
Detailed Description
The invention is described in further detail below with reference to the following figures and embodiments:
example 1: a self-generating body weight scale comprises a scale body, a miniature water wheel generating system and a pneumatic component, wherein the scale body comprises a pressure sensing unit, a rectifying circuit, an energy storage unit, a display unit 10, a base 1 and a shell 7, the miniature water wheel generating system and the pneumatic component are arranged between the base 1 and the shell 7, the miniature water wheel generating system comprises a driving liquid bag 2, a miniature water wheel generator 4 and a driven liquid bag 3, the volumes of the driving liquid bag 2 and the driven liquid bag 3 are 100ml, 80ml of flowable water is contained in the driving liquid bag 2, the thickness of the miniature water wheel generator 4 is 10mm, the driving liquid bag 2 is connected with a liquid inlet pipe 5 and a liquid return pipe 6, the diameters of the liquid inlet pipe 5 and the liquid return pipe 6 are 5mm, tesla valves 24 are arranged in the liquid inlet pipe 5 and the liquid return pipe 6, water in the liquid inlet pipe 5 flows downstream from the driving liquid bag 2 to one side of the driven liquid bag 3, water in the liquid return pipe 6 flows downstream from the driven liquid bag 3 to one side of the driving liquid bag 2, the liquid inlet pipe 5 comprises a first liquid inlet pipe 5A and a second liquid inlet pipe 5B, the first liquid inlet pipe 5A is connected with a driving liquid bag 2 and a miniature hydraulic generator 4, the second liquid inlet pipe 5B is connected with the miniature hydraulic generator 4 and a driven liquid bag 3, the first liquid inlet pipe 5A and the second liquid inlet pipe 5B are both tangent to the miniature hydraulic generator 4, the included angle between the first liquid inlet pipe 5A and the second liquid inlet pipe 5B is 180 degrees, the miniature hydraulic generator 4 is a magnetic induction type generator cut by electromagnetic induction, the miniature hydraulic generator 4 comprises an impeller 11 and a stator 15, the impeller 11 comprises an annular sleeve 13, the annular sleeve 13 is rotatably connected with the base 1, the outer side of the annular sleeve 13 is connected with a driving blade 12, the inner part of the annular sleeve 13 is connected with a permanent magnet 14, the stator 15 is arranged in the annular sleeve 13, the driving blade 12 of the impeller 11 is rotated in the process that water in the driving liquid bag 2 flows into the second liquid inlet pipe 5B from the first liquid inlet pipe 5A, the air pressure assembly comprises an eccentric cam 16, a pressing groove body 17, an inflator assembly 18 and a backflow air bag 20, the eccentric cam 16 is coaxially connected with the impeller 11, the eccentric cam 16 is arranged in a matched mode with the pressing groove body 17, the pressing groove body 17 is connected with a pressing handle of the inflator assembly 18, the inflator assembly 18 is further connected with a return spring 19, an air outlet of the inflator assembly 18 is connected with an inflation tube 21, an air outlet of the inflation tube 21 is communicated with the backflow air bag 20, a gas one-way valve is arranged inside the inflation tube 21, gas in the inflation tube 21 flows to one side of the backflow air bag 20 from the inflator assembly 18, the backflow air bag 20 is further connected with an air return tube 22, a free end of the air return tube 22 is communicated with the driven liquid bag 3, a waterproof breathable film is arranged inside the air return tube 22, a pressure relief hole is further formed in the driving liquid bag 2, and a waterproof breathable film is also arranged inside the pressure relief hole; the shell 7 is provided with a first liquid bag groove 8, a second liquid bag groove 9 and an air bag groove 23, the driving liquid bag 2 is arranged inside the first liquid bag groove 8, the driven liquid bag 3 is arranged inside the second liquid bag groove 9, the backflow air bag 20 is arranged inside the air bag groove 23, the depth of the driving liquid bag 2 embedded into the shell 7 is 10mm, the height of the upper surface of the driving liquid bag 2 higher than the upper surface of the shell 7 is 10mm, the driven liquid bag 3 and the backflow air bag 20 are completely embedded into the shell 7, the backflow air bag 20 is a drum-type air bag, the upper surface of the shell 7 is uniformly marked with scale marks, the scale marks are matched with the backflow air bag 20, the backflow air bag 20 is provided with two pieces, the two backflow air bags 20 are symmetrically arranged at two sides of the display unit 10, the display unit 10 comprises a waterproof OLED screen, the upper surface of the waterproof OLED screen is flush with the upper surface of the shell 7, the miniature hydro-wheel generator 4, the rectification circuit, the energy storage unit is electrically connected with the display unit 10, the miniature hydraulic generator 4 runs to generate power, the generated power is stored in the energy storage unit after being rectified by the rectifying circuit, the energy storage unit is used for supplying power to the display unit 10, the pressure sensing unit is used for collecting the gravity borne by the body weight scale, and the pressure sensing unit is electrically connected with the display unit 10.
Example 2:
this example differs from example 1 in that: the volume of initiative liquid bag 2 and driven liquid bag 3 is 30ml, the degree of depth that initiative liquid bag 2 imbeds shell 7 is 2mm, the upper surface of initiative liquid bag 2 exceeds the height of shell 7 upper surface and is 5mm, miniature hydraulic generator 4's thickness is 3mm, the diameter of feed liquor pipe 5 and liquid return pipe 6 is 2mm, and the mobile medium of splendid attire is lubricating oil in the initiative liquid bag 2, the volume of oil is 24ml, whole weighing scale is littleer, portable and storage, other all are the same with embodiment 1.
Example 3:
as shown in fig. 1 to 7 and 8, the present embodiment is different from embodiment 1 in that: the two active liquid bags 2 are both in a sole shape, the two active liquid bags 2 are symmetrically arranged about the central plane of the scale body, and the two active liquid bags 2 in the sole shape are visual and easy to use, and the rest parts are the same as those of the embodiment 1.
Example 4:
as shown in fig. 1 to 7 and fig. 9, the present embodiment is different from embodiment 1 in that: the included angle between the first liquid inlet pipe 5A and the second liquid inlet pipe 5B is 0 degree, the length of the liquid return pipe 6 is greatly shortened, and the rest is the same as that of the embodiment 1.
Example 5:
as shown in fig. 1 to 7 and 10, the present embodiment is different from embodiment 1 in that: the included angle between the first liquid inlet pipe 5A and the second liquid inlet pipe 5B is 90 degrees, the length of the liquid return pipe 6 is effectively shortened, and the rest is the same as that of the embodiment 1.
The specific implementation process is as follows:
when the weight scale is used, the body of the weight scale is placed on the ground, then a person stands on the active liquid bag 2 to weigh, and the display unit 10 displays the weighed weight. Wherein, people stand on the driving liquid bag 2 to extrude the liquid in the driving liquid bag into the first liquid inlet pipe 5A, the flowing liquid drives the driving blade 12 of the impeller 11 to rotate, so that the permanent magnet 14 on the annular sleeve 13 rotates along with the driving liquid, the stator 15 arranged in the driving liquid bag is fixed, the stator cuts the magnetic induction line of the permanent magnet 14 to generate electricity, the obtained current is stored in the energy storage unit after being rectified by the rectifying circuit, and the energy storage unit supplies power to the display unit 10; in the process of driving the impeller 11 to rotate by flowing liquid, because the eccentric cam 16 is coaxially connected with the impeller 11, the eccentric cam 16 can rotate along with the impeller 11, the eccentric cam 16 periodically extrudes and presses the groove body 17 in the rotating process, the eccentric cam 16 and the pressing groove body 17 are matched to ensure the linkage relation between the eccentric cam 16 and the pressing groove body 17, and the pressing groove body 17 periodically extrudes the inflator assembly 18 in the process of being periodically extruded, so that the inflator assembly 18 continuously inflates the backflow air bag 20. The return spring 19 is used for returning the inflator assembly 18, the reel type backflow air bag 20 is inflated to be straightened and flattened after being subjected to air flow, the straightened length and the flattening speed of the reel type backflow air bag are in positive correlation with the inflating speed of the reel type backflow air bag, namely the straightened length and the flattening speed are in positive correlation with the inflating speed of the reel type backflow air bag, namely the rotating speed of the reel type backflow air bag is in positive correlation with the flowing speed of liquid, the weight of a human body is the root cause of the flowing of extruded liquid, the weight of the human body is in positive correlation with the speed of water flow, namely a user can know the straightened distance of the backflow air bag 20 by means of scale marks on the shell 7, the flattening speed is observed, the self weight can be evaluated, and the interestingness of using the weight scale is increased; when the weighing is cancelled, the driving liquid bag 2 can recover under the action of the self elastic force, the liquid in the driven liquid bag 3 is sucked back into the driving liquid bag 2 through the liquid return pipe 6, meanwhile, the gas in the backflow air bag 20 enters the driven liquid bag 3 through the air return pipe 22, and the liquid in the backflow air bag is blown into the driving liquid bag 2. One blowing and one sucking can quickly and completely return the liquid in the driven liquid bag 3 to the driving liquid bag 2 for the next use, thereby realizing the recycling of the flowing medium. The Tesla valve 24 arranged in the liquid inlet pipe 5 enables liquid to flow from the driving liquid bag 2 to one side of the driven liquid bag 3 only, the Tesla valve 24 arranged in the liquid return pipe 6 enables liquid to flow from the driven liquid bag 3 to one side of the driving liquid bag 2 only, the gas one-way valve arranged in the inflation pipe 21 enables gas to flow from the inflation barrel assembly 18 to one side of the backflow air bag 20 only, the waterproof breathable film arranged in the backflow air pipe 22 enables gas in the backflow air bag 20 to enter the driven liquid bag 3 smoothly, liquid in the driven liquid bag 3 cannot enter the backflow air bag 20, and the pressure relief hole arranged in the driving liquid bag 2 ensures the stability of the internal air pressure of the device when the device is not used and ensures that the device can be used repeatedly; the display unit 10 employs an OLED screen, so that the present device can be applied to environments such as bathrooms, which are wet or easily exposed to water.
The above description is only an example of the present invention, and the common general knowledge of the technical solutions or characteristics known in the solutions is not described herein too much. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. The utility model provides a from electricity generation personal weighing scale, includes balance body and miniature hydraulic generator system, its characterized in that: the scale body comprises a pressure sensing unit, a rectifying circuit, an energy storage unit, a display unit, a base and a shell, the miniature water wheel power generation system is arranged between the base and the shell and comprises a driving liquid bag and a driven liquid bag, the driving liquid bag is connected with a liquid inlet pipe and a liquid return pipe, a liquid outlet of the liquid inlet pipe is communicated with the driven liquid bag, a liquid inlet of the liquid return pipe is communicated with the driven liquid bag, Tesla valves are arranged inside the liquid inlet pipe and the liquid return pipe, liquid in the liquid inlet pipe flows downstream from the driving liquid bag to one side of the driven liquid bag, liquid in the liquid return pipe flows downstream from the driven liquid bag to one side of the driving liquid bag, the liquid inlet pipe is also communicated with a miniature water wheel generator, and the liquid in the liquid inlet pipe flows from the driving liquid bag to one side of the driven liquid bag to drive the miniature water wheel generator to generate power, the miniature hydraulic generator, the rectifying circuit, the energy storage unit and the display unit are electrically connected, the miniature hydraulic generator runs to generate power, the power is rectified by the rectifying circuit and then stored in the energy storage unit, the energy storage unit is used for supplying power to the display unit, the pressure sensing unit is used for collecting pressure applied to the weighing scale, and the pressure sensing unit is electrically connected with the display unit.
2. The self-generating body weight scale according to claim 1, characterized in that: miniature hydraulic generator is for utilizing electromagnetic induction cutting magnetic induction line formula generator, miniature hydraulic generator includes impeller and stator, the impeller includes the annular cover, the annular cover with the base rotates to be connected, the outside of annular cover is connected with driving vane, the internal connection of annular cover has the permanent magnet, the stator is located the inboard of annular cover.
3. The self-generating body weight scale according to claim 2, characterized in that: the base is also connected with an air pressure assembly, the air pressure assembly comprises an eccentric cam, a pressing groove body, an air charging barrel assembly and a backflow air bag, the eccentric cam is coaxially connected with the impeller, the eccentric cam is matched with the pressing groove body, the pressing groove body is connected with a pressing handle of the inflator assembly, the inflator assembly is also connected with a return spring, the air outlet of the air charging barrel assembly is connected with an air charging pipe, the air outlet of the air charging pipe is communicated with the backflow air bag, a gas one-way valve is arranged in the inflation tube, the gas in the inflation tube flows to one side of the backflow air bag through the inflation cylinder assembly, the backflow air bag is also connected with an air return pipe, the free end of the air return pipe is communicated with the driven liquid bag, the inside of muffler is equipped with waterproof ventilated membrane, the initiative liquid bag is equipped with the pressure release hole, the inside in pressure release hole also is equipped with waterproof ventilated membrane.
4. The self-generating body weight scale according to claim 3, characterized in that: first liquid bag groove, second liquid bag groove and gasbag groove have been seted up to the shell, initiative liquid bag is located the inside in first liquid bag groove, driven liquid bag is located the inside in second liquid bag groove, the backward flow gasbag is located the inside in gasbag groove, initiative liquid bag embedding the degree of depth of shell is 2 ~ 10mm, the upper surface of initiative liquid bag is higher than the height of shell upper surface is 5 ~ 10mm, driven liquid bag with the backward flow gasbag imbeds completely the shell, the display element the upper surface with the upper surface parallel and level of shell.
5. The self-generating body weight scale according to claim 3, characterized in that: the active liquid bag and the backflow air bags are respectively provided with two parts, the active liquid bag is in a sole shape, the two parts of the active liquid bag are symmetrically arranged relative to the central plane of the scale body, and the two parts of the backflow air bags are symmetrically arranged on two sides of the display unit.
6. The self-generating body weight scale according to claim 3, characterized in that: the backflow air bag is a winding drum type air bag, scale marks are evenly carved on the upper surface of the shell, and the scale marks are matched with the backflow air bag.
7. The self-generating body weight scale according to claim 1, characterized in that: the shell is made of transparent materials, the driven liquid bag is provided with two parts, the two parts are drum type air bags, and the two parts are symmetrically arranged on two sides of the display unit.
8. The self-generating body weight scale according to claim 1, characterized in that: the volume of initiative liquid bag with from the liquid bag is 30 ~ 100ml, miniature hydraulic generator's thickness is 3 ~ 10mm, the diameter of feed liquor pipe with return the liquid pipe is 2 ~ 10 mm.
9. The self-generating body weight scale according to claim 1, characterized in that: the feed liquor pipe includes first feed liquor pipe and second feed liquor pipe, first feed liquor pipe with initiative liquid bag with miniature hydraulic generator connects, second feed liquor pipe with miniature hydraulic generator with driven liquid bag connects, first feed liquor pipe with second feed liquor pipe all with miniature hydraulic generator is tangent, first feed liquor pipe with contained angle between the second feed liquor pipe is one of 0 °, 90 or 180.
10. The self-generating body weight scale according to claim 1, characterized in that: the flowable medium contained in the active liquid bag is one or more of water, oil or gas.
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| CN202210512184.4A CN114877976B (en) | 2022-05-12 | 2022-05-12 | Self-generating weighing scale |
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| CN202210512184.4A CN114877976B (en) | 2022-05-12 | 2022-05-12 | Self-generating weighing scale |
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| CN114877976B CN114877976B (en) | 2023-06-02 |
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| CN114877976B (en) | 2023-06-02 |
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