A step-on direct power generation measuring body scale

Abstract

The present application provides a kind of step directly generates electricity and measures human body scale, comprising: main body;Scale foot, including power generation scale foot;Power generation component, for converting input kinetic energy into electric energy to power human body scale;Transmission component, connect the moving component and the power generation component, the displacement of the moving component is transmitted to the power generation component and generates electricity;Central control component, including control panel and display screen, the control panel is connected with the power generation component and obtains electric energy, and sensor information is collected and converted into body weight value and displayed on the display screen;Wherein, the transmission component is provided with buffer device.The present human body scale solves the current human body scale uses a large number of batteries to cause pollution to environment and the existing self-generating electricity technology exists too complex, low reliability, high cost technical problem, provides a kind of reliable and easy technical scheme.

Description

TECHNICAL FIELD

[0001] The present application relates to a body weight measuring device, in particular to a human body scale capable of directly generating electricity when stepped on. BACKGROUND

[0002] Electronic scales are closely related to people's life. In daily life, people will use human body scales to pay attention to their health. According to incomplete statistics, the annual production of human body scales for domestic and export in China exceeds 50 million, and the market capacity is huge.

[0003] Generally, electronic scales need to install batteries to provide energy for system operation, commonly used are button batteries, dry batteries and rechargeable batteries. If two batteries are consumed per scale per year, the number of waste batteries generated is more than 100 million. The environmental protection treatment of these waste batteries is a big problem. If it is not properly treated or even discarded into the living environment without treatment, it will cause serious harm to the environment and human beings. Another hidden danger of using batteries is that the battery will leak liquid and corrode the battery pole piece after long-term use, which shortens the service life of the product.

[0004] There are some electronic scales with self-generating function on the market at present, but they all use external devices and need additional operation to generate electricity, that is, before measurement, the device needs to be operated to generate electricity, and then it can be used. The external device not only affects the appearance of the product, but also makes the use inconvenient due to additional operation, which also limits the popularization and application of self-generating human body scales.

[0005] In the scheme without additional device, there is a human body scale device capable of directly generating electricity when stepped on, but there are problems such as too complex device mechanism to realize or too high cost, or the problem of process or reliability cannot be solved by the principle, which leads to the problem of mass production. At present, there is no scheme on the market that can overcome the above problems. SUMMARY

[0006] In view of the problems in the prior art, the present application provides a human body scale capable of directly generating electricity when stepped on, which solves the problems of environmental pollution caused by the use of a large number of batteries in the current human body scale and the problems of too complex, low reliability and high cost in the existing self-generating technology, and provides a reliable and easy technical scheme.

[0007] In order to achieve the above purpose, the present application adopts the following technical scheme:

[0008] A human body scale capable of directly generating electricity when stepped on, comprising:

[0009] a main body composed of a scale surface and a shell;

[0010] a scale foot connected with the main body, comprising:

[0011] The power generation scale foot comprises:

[0012] A moving assembly comprising a sensor, which is arranged to be vertically movable relative to the housing;

[0013] A resetting assembly arranged between the moving assembly and the housing, for resetting the moving assembly when no one stands on it;

[0014] A power generation assembly for converting input kinetic energy into electric energy to power the body scale;

[0015] A transmission assembly connecting the moving assembly and the power generation assembly, for transmitting displacement of the moving assembly to the power generation assembly for power generation;

[0016] A central control assembly comprising a control panel and a display screen, the control panel is connected to the power generation assembly to obtain electric energy, and collects sensor information to convert into body weight values displayed on the display screen;

[0017] Wherein, the transmission assembly is provided with a buffer device.

[0018] Further, the scale foot further comprises an auxiliary scale foot, which is arranged to be vertically movable relative to the housing and can be reset when no one stands on it, for assisting in keeping all scale feet in contact with the ground during operation.

[0019] Further, the resetting assembly is a spring, which can be one, two or more in number.

[0020] Further, the moving assembly comprises a moving bracket, a moving assembly sensor, and a moving assembly scale foot, when a person steps on the body scale, the main body sinks, and the moving assembly moves upward relative to the main body.

[0021] Further, the transmission assembly comprises:

[0022] A swing rod, the middle rotating shaft of which is connected to the main body, and one end of which is slidingly connected to the moving bracket;

[0023] A buffer mechanism for connecting the other end of the swing rod to the power generation assembly, the swing rod converts the vertical displacement of the moving bracket relative to the main body into displacement along the movement direction of the buffer mechanism, and the buffer mechanism inputs the displacement to the power generation assembly for power generation after buffering.

[0024] Further, the buffer mechanism comprises:

[0025] A rack slider, which slides along a track arranged on the main body, and one end of which is connected to the input end of the power generation assembly;

[0026] A tension spring, one end of which is connected with the end of the swing lever away from the moving support, and the other end of which is connected with the rack slider, is used to transmit the displacement of the swing lever to the rack slider after buffering.

[0027] Further, the scale feet can be arranged in three, four or more.

[0028] Further, a sensor is arranged in each scale foot.

[0029] Further, the central control assembly further comprises an energy storage element arranged on the control panel, which can store the electric energy generated by the power generation assembly for use by the control panel.

[0030] The present application has the following advantages:

[0031] The present application provides a human body scale capable of directly generating and measuring by stepping, which can operate without installing a battery by arranging the power generation scale feet and the power generation assembly, thereby solving the problem of large battery consumption and serious pollution of the existing human body scale, and arranging the buffering device to enable the internal elements to operate stably when the human body weight is applied to the human body scale, thereby guaranteeing the structural reliability and avoiding damage.

[0032] In some embodiments, the present application further comprises auxiliary scale feet to enable the human body scale to stably contact the ground during use, thereby improving the measurement accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 is the overall view of the human body scale in the embodiment of the present application;

[0034] Figure 2 is the exploded view of the main components of the human body scale in the embodiment of the present application;

[0035] Figure 3 is the partial sectional view of the human body scale in the reset state in the embodiment of the present application;

[0036] Figure 4 is the enlarged partial sectional view of the human body scale in the reset state in the embodiment of the present application;

[0037] Figure 5 is the partial sectional view of the human body scale when stepped down in the embodiment of the present application;

[0038] Figure 6 is the layout schematic view of a scale foot of the human body scale in the embodiment of the present application;

[0039] Figure 7 is the layout schematic view of a scale foot of the human body scale in the embodiment of the present application;

[0040] In the figure, 10 - main body, 11 - scale surface, 12 - shell, 20 - power generation assembly, 21 - speed increasing gearbox, 22 - micro generator, 23 - energy storage element, 24 - control panel, 25 - display screen, 30 - moving assembly, 31 - moving support, 32 - No. 1 sensor, 33 - No. 1 scale foot, 34 - reset spring, 35 - fixed pressing plate, 40 - auxiliary scale foot assembly, 41 - fixed support, 42 - sensor, 43 - inner scale foot, 44 - spring, 45 - outer scale foot, 50 - transmission assembly, 51 - swing rod, 52 - tension spring, 53 - rack slider. DETAILED DESCRIPTION

[0041] In order to make the technical solutions and advantages of the present application clearer, the technical solutions of the embodiments of the present application will be described completely below in combination with the drawings in the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0042] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, in which the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation on the present application.

[0043] The following is a detailed description of one specific embodiment of the present application, such as Figure 1 , the overall schematic view of the body scale of the present embodiment.

[0044] As Figure 2 , the body scale of the present application includes a main body 10, a power generation scale foot (including a moving assembly 30, a reset spring 34, and a fixed pressing plate 35), a transmission assembly 50 (including a swing rod 51, a tension spring 52, and a rack slider 53), a power generation assembly 20, a control panel 24, a display screen 25, and an auxiliary scale foot assembly 40 for keeping the four scale feet in a plane.

[0045] The main body 10 includes a scale surface 11 and a shell 12. The scale surface 11 is a bearing platform with sufficient strength for a person to step on for measurement. The shell 12 is the shell of the electronic scale, and the internal space thereof is used to install other parts.

[0046] The moving assembly 30 includes a moving support 31, a No. 1 sensor 32, and a No. 1 scale foot 33. The No. 1 sensor 32 is fixed in the moving support 31, and the No. 1 scale foot 33 is fixed on the No. 1 sensor 32. The moving assembly can move up and down relative to the main body.

[0047] Reset spring 34 is installed between moving support 31 and fixed pressing plate 35, and is used to reset moving assembly 30 in non-use state.

[0048] Moving assembly 30 moves up and down in the space defined by shell 12. Figure 3 、 Figure 4 As shown in the reset state, moving assembly 30 moves downward relative to main body 10 under the elastic force of reset spring 34 and stops at the limit point D of shell 12; when a person steps on the scale surface 11 of the electronic scale, the upward reaction force of the ground pushes first scale foot 33 to move moving assembly 30 upward relative to main body 10 against the tension of reset spring 34 until moving support 31 touches fixed pressing plate 35 and compresses reset spring 34 in the recess space between moving support 13 and fixed pressing plate 35.

[0049] Reset spring 34 can be one, two or more, and two is used in the embodiment.

[0050] Fixed pressing plate 35 is fixedly connected with main body 10 to facilitate assembly and maintenance, and can also not be provided and reset spring is directly connected with main body 10.

[0051] The buffer device in the embodiment is composed of tension spring 52 and rack block 53.

[0052] Pivot A of swing lever 51 is connected to main body 10, and swing lever 51 can swing around pivot A; one end pivot B of swing lever 51 is installed in the connecting groove of moving support 31, and the other end hanging hole C of swing lever 51 is connected with the pull hook of tension spring 52. Swing lever 51 drives pivot B to swing up and down through the up and down movement of moving assembly 30, and drives the left and right swing of the other end hanging hole C. When hanging hole C of swing lever 51 swings to the right, it drives tension spring 52 to move to the right, and tension spring 52 drives rack block 53 to move to the right along the track provided on the main body. When the other end of swing lever C swings to the left, the arc surface H drives the K surface of rack block 53 to move to the left. By designing the length ratio of force arm of AC and AB (for example, AC is 10 mm and AB is 4 mm), the distance of CC1 can be amplified, the up and down movement distance BB1 of moving assembly 30 in the limited space is realized, and the left and right movement distance CC1 is relatively large, that is, gear block 53 obtains sufficient stroke to drive speed increasing gearbox 21, and the demand of human body scale measurement on power generation is met.

[0053] By setting the speed increasing gearbox, the stroke can be further amplified, and the power generation efficiency is higher.

[0054] Pivot B of swing lever 51 can be round or other shapes; hanging hole C can be a hole or a hook, which can be reliably connected with the hook of tension spring 52.

[0055] AsFigure 5 When a person steps on the main body 10, the moving assembly 30 moves upward relative to the main body 10, the connecting groove E of the moving support 31 pushes the pivot B of the swing lever 51 to swing counterclockwise upward, the other end hanging hole C of the swing lever 51 pulls the tension spring 52 to move rightward, the other end of the tension spring 52 pulls the rack slider 53 to move rightward, and the rack slider 53 drives the input gear of the speed increasing gearbox 21 to complete the driving action of power generation; when the person leaves the main body 10, under the tension of the reset spring 34, the moving assembly 30 moves downward relative to the main body 10 to reset, the connecting groove F of the moving support 31 pushes the swing lever 51 to swing clockwise downward, the other end C of the swing lever 51 pushes the end surface H of the rack slider 53 to move leftward, and the tension spring 52 and the rack slider 53 are reset, thus completing the process of driving power generation and resetting.

[0056] The tension spring 52 has a hook at each end, one end is connected with the hanging hole C of the swing lever 51, and the other end is connected with the hook of the rack slider 53. The tension spring 52 flexibly transmits the circular arc swing displacement of the C end of the swing lever 51 to the horizontal movement of the rack slider 53. The tension spring 52 not only converts the circular arc swing of the swing lever 51 into the horizontal movement of the rack slider 53, but also transmits the force to the rack slider 53 flexibly through the flexible connection of the tension spring 52, so that the force is relatively smooth and the rack on the rack slider 53 and the input gear of the speed increasing gearbox 21 are not impacted and broken, and the reliability is greatly improved.

[0057] The rack slider 53 is limited to horizontal sliding in the left and right directions by the shell 12, the rack slider 53 is pulled rightward by the tension spring 52, and the rack slider 53 is pushed leftward by the C end arc surface of the swing lever 51, and the force comes from the tension of the reset spring 34 and is also flexible; the rack slider 53 drives the input gear of the speed increasing gearbox 21 through the rack, the speed increasing gearbox 21 drives the micro generator 22 to generate electricity through gear increasing inside, and the purpose of power generation is achieved.

[0058] The control panel 24 has an energy storage element 23, when the power generation assembly 20 generates electricity, the electric energy stored in the energy storage element 23 supplies the control panel 24 to work, calculates the weight of the human body through the signals of the four sensors, and displays on the display screen 25.

[0059] The present application mainly converts the upward and downward displacement of the moving assembly 30 into the left and right horizontal movement of the driving rack slider 53 to drive the speed increasing gearbox 21 when a person steps on the scale body. The speed increasing gearbox 21, the micro generator 22, the control panel 24 and the display screen 25 are mature technologies in the prior art, and will not be described here.

[0060] Since the human body electronic scale has four scale feet, the above-mentioned moving assembly 30 is only installed on one of the scale feet. In order to ensure the accuracy of the measurement, it is necessary to ensure that the heights of the four scale feet are in the same plane when the scale body surface 11 is stepped on by the human body and in the reset state after the human body leaves the scale surface 11. Thus, in the reset state of the moving assembly 30, the first scale foot 33 will be higher than the other three scale feet, resulting in the instability of the scale body 10. In order to solve the problem that the four scale feet are in the same plane in the measurement or reset state, a device similar to the moving assembly 30 can be selected to be installed on the scale foot adjacent to the first scale foot, so that the two adjacent scale feet are reset and the other two scale feet are not reset, which can ensure that the four scale feet are in the same plane in the reset and measurement states, and practice shows that this will not affect the measurement result. Of course, if necessary, the four scale feet can be set as movable scale feet, which will increase the cost. Figure 6 Figure 7

[0061] The displacement assembly of the non-driven scale foot can also adopt the scheme of the auxiliary scale foot assembly 40 in addition to the structure similar to the above-mentioned displacement assembly 30. The fixed support 41 is fixed on the main body 10, the sensor 42 is installed in the fixed support 41, the inner scale foot 43 is connected with the sensor 42, and the outer scale foot 45 is connected through the spring 44. In the measurement, the outer scale foot 45 compresses the spring 44 to complete the same distance as the displacement assembly 30, and in the non-measurement, the spring 45 is opened to complete the reset.

[0062] In the description of the present specification, the terms "one embodiment" and "example" and the like mean that the specific features, structures or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above-mentioned terms does not necessarily refer to the relative embodiment or example in a suitable manner.

[0063] It must be pointed out that the above description of the embodiments is not used for limitation but only for helping to understand the core idea of the present application. Any improvement made by those skilled in the art without departing from the principles of the present application and the alternative solutions equivalent to the present product also belong to the protection scope of the claims of the present application.​​

Claims

1. A human body scale which measures the direct power generation by stepping on, characterized by, The utility model relates to a human body scale, including: a main body composed of a scale surface and a shell; a scale leg connected to the main body, including: a power generation scale leg, including: a moving assembly arranged to be vertically movable relative to the shell, the moving assembly including a moving support, a moving assembly sensor fixed in the moving support, and a moving assembly scale leg fixed with the moving assembly sensor, when a person steps on the human body scale, the main body sinks, and the moving assembly moves upward relative to the main body; a reset assembly arranged between the moving assembly and the shell for resetting the moving assembly when no one is standing; a power generation assembly for converting input kinetic energy into electrical energy to power the human body scale; a transmission assembly connecting the moving assembly and the power generation assembly to transmit displacement of the moving assembly to the power generation assembly for power generation; a central control assembly including a control panel and a display screen, the control panel being connected to the power generation assembly to obtain electrical energy and collect sensor information to convert into body weight values displayed on the display screen; wherein the transmission assembly is provided with a buffer device; the scale leg further includes an auxiliary scale leg arranged to be vertically movable relative to the shell and capable of being reset when no one is standing, for assisting in keeping all scale legs in contact with the ground during operation.

2. The body scale according to claim 1, characterized in that The auxiliary scale leg can be one or more.

3. The body scale according to claim 1, characterized in that The reset assembly is a spring, and the number of springs can be one, two or more.

4. The body scale according to claim 1, characterized in that The transmission assembly includes: a swing rod with a middle rotating shaft connected to the main body and one end slidingly connected to the moving support; a buffer mechanism for connecting the other end of the swing rod to the power generation assembly, the swing rod converting vertical displacement of the moving support relative to the main body into displacement along the movement direction of the buffer mechanism, and the buffer mechanism inputting displacement to the power generation assembly for power generation after buffering.

5. The body scale according to claim 4, characterized in that The buffer mechanism includes: a rack slider sliding along a track provided on the main body, one end of which is connected to the input end of the power generation assembly; a tension spring having one end connected to the end of the swing rod away from the moving support and the other end connected to the rack slider, for transmitting displacement of the swing rod to the rack slider after buffering.

6. The body scale according to claim 1, characterized in that The scale leg can be provided as three, four or more.

7. The body scale according to claim 1, characterized in that Each of the scale legs is provided with a sensor.

8. The body scale according to claim 1, characterized in that The central control assembly further includes an energy storage element provided on the control panel, which can store electrical energy generated by the power generation assembly for use by the control panel.

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