CN212363409U - Electronic scale with power generation function - Google Patents

Abstract

The utility model discloses an electronic scale with power generation function, which comprises a bottom shell internally provided with a main control electric plate and a scale plate arranged on the bottom shell, wherein a display screen module, a power supply and a sensor module which are electrically connected with the main control electric plate are arranged in the bottom shell; the power generation device also comprises a power generation module and a rectification voltage stabilizing circuit, wherein the rectification voltage stabilizing circuit is respectively and electrically connected with the output end of the power generation module and the input end of the power supply; the power generation module comprises a shell internally provided with a multistage transmission power generation assembly, one end of the shell is provided with a mounting groove for mounting a pressing slider, and the side surface of the pressing slider is provided with a rack along the vertical direction; a reset spring is arranged in the mounting groove, a mounting hole is formed in the scale plate at the position of the pressing slide block, and a button connected with the pressing slide block is arranged in the mounting hole; the electronic scale is simple in structure, does not need to be powered by a battery, and can realize weight measurement only by pressing for a few times when being used.

Description

Electronic scale with power generation function

Technical Field

The utility model belongs to the technical field of the electronic scale technique and specifically relates to an electronic scale with electricity generation function.

Background

The existing electronic scale is an electronic instrument which converts the weight into an analog signal through a weight sensor, converts the analog signal into a stable digital signal through a series of processing and displays the stable digital signal on a corresponding display medium. Because electronic scales need to continuously display correct weight information during operation, the power sources of electronic scales are usually ac power, dry batteries and various types of batteries, and the more common power source is a lead-acid battery. When using ac power as a power source, the use of electronic scales is limited geographically, i.e., it can only be used in indoor environments where ac outlets are provided. When the electronic scale is moved to the outdoor for use, a dry cell or a storage battery is generally used. Although the current batteries do not contain mercury, heavy metals are still necessary components of various storage batteries, if the heavy metals are not properly treated and are in large quantities, the heavy metals have serious influence on the environment, and the dry batteries can have liquid leakage phenomenon after long-term use.

Then people have released solar energy electronic scale, and solar energy electronic scale is very environmental protection, and the problem that nevertheless faces is that solar energy electronic scale to the requirement of ambient light than higher, just can stably charge when sunshine is sufficient, what the user needs is that one kind does not receive the environmental impact, can stably charge electronic scale. The application numbers are: 201620094056.2 discloses a new kinetic energy electronic scale, the electronic scale comprises a weighing platform, a bottom shell, a main control panel, a sensor module, a display screen module and a power supply, wherein the sensor module, the display screen module and the power supply are respectively and electrically connected with the main control panel, the rectification voltage-stabilizing circuit is respectively and electrically connected with the output end and the power input end of the power generation module to realize electric energy storage, the power generation module comprises a multi-stage gear set, a rack gland, a pedal plate and a generator, the rack gland is connected with the multistage gear set in a transmission way, a spring which is erected on the bottom shell is arranged in the rack gland, the output end of the multistage gear set is connected with the drive end of the generator in a transmission way, although the novel kinetic energy electronic scale can realize automatic power supply, the rack gland is positioned at the outer side of the power generation box and is separated from the power generation box, the overall structure of the power generation module is large, and the rack gland is easy to fall off during the assembly of the electronic scale.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Need install the change battery in the use in order to overcome current electronic scale, not only unable saving can, the old and useless battery that has used moreover also can cause certain pollution to the environment, the utility model provides an electronic scale with electricity generation function, this electronic scale is simple structure not only, the module compact structure that generates electricity moreover.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

an electronic scale with a power generation function comprises a bottom shell internally provided with a main control electric plate, and a scale plate arranged on the bottom shell, wherein a display screen module, a power supply and a sensor module which are electrically connected with the main control electric plate are arranged between the bottom shell and the scale plate; the power generation device also comprises a power generation module and a rectification voltage stabilizing circuit, wherein the rectification voltage stabilizing circuit is respectively and electrically connected with the output end of the power generation module and the input end of the power supply; the power generation module comprises a shell internally provided with a multi-stage transmission power generation assembly, one end of the shell is provided with a mounting groove for mounting a pressing slider, and the side surface of the pressing slider is provided with a rack for driving the multi-stage transmission power generation assembly to rotate along the vertical direction; the scale is characterized in that a reset spring for forcing the pressing slide block to be separated from the mounting groove is arranged in the mounting groove, a mounting hole is formed in the position of the pressing slide block on the scale plate, and a button connected with the pressing slide block is arranged in the mounting hole.

Through the technical scheme, a user only needs to press the button for several times when using the electronic scale, so that the pressing sliding block moves up and down under the action of the reset spring, the multistage transmission power generation assembly located in the shell is driven by the rack to rotate to generate electric energy, a heavy object located on the scale plate is weighed through the main control electric plate and the sensor module, and finally the heavy object is displayed by the display screen.

In a further technical scheme, the multi-stage transmission power generation assembly comprises a first gear, a first gear set, a second gear set, a third gear set, a second gear and a power generator which are rotatably connected in the shell and sequentially transmit; the first gear is close to the pressing slider and meshed with the rack, the first gear set comprises a third gear and a fourth gear which are coaxially arranged, and the third gear is meshed with the first gear; the second gear set comprises a fifth gear and a sixth gear which are coaxially arranged, the fifth gear is meshed with the fourth gear, the third gear set comprises a seventh gear and an eighth gear which are coaxially arranged, the seventh gear is meshed with the sixth gear, the eighth gear is meshed with the second gear, and the second gear is fixedly arranged on a driving shaft of the generator; the efficiency that multistage transmission power generation component produced electric energy can be improved greatly to this setting.

In a further technical scheme, the notch department of mounting groove is equipped with the location arch, the side of pressing the slider along vertical direction be equipped with the protruding sliding connection's of location spout, protruding cooperation through the location can prevent at first that to press the slider rotatory in the mounting groove, secondly can prevent to press the slider and break away from the installation spout under reset spring's effect. The button is characterized in that an anti-rotation bulge is arranged at the top end of the pressing slider, and an anti-rotation groove matched with the anti-rotation bulge is arranged on the surface, matched with the pressing slider, of the button. The scale plate is provided with a rubber buffer pad which is sleeved on the button at the mounting hole, and the rubber buffer pad is arranged to prevent the button from being abraded by impact between the button and the scale plate.

In a further technical scheme, the two sides of the bottom shell are provided with arc-shaped concave parts, and the arc-shaped concave structures are arranged so that when the electronic scale is taken up from the ground, a hand can conveniently stretch into the bottom of the electronic scale from the arc-shaped concave parts.

In a further technical scheme, the sensor module comprises pressure sensors which are arranged in the bottom shell and positioned at four corners, wherein a supporting foot pad is arranged at the bottom of each pressure sensor, and a connecting plate used for installing the pressure sensors on the bottom shell is arranged at the upper part of each pressure sensor. The bottom of connecting plate is equipped with the recess that is used for placing the sensor to and set up the recess is other to be used for with the sensor joint to buckle in the recess. A clamping protrusion for clamping the connecting board into the bottom shell is arranged on the side face of the connecting board, and a clamping buckle matched with the clamping protrusion is arranged in the bottom shell; and a convex plate is arranged on the side surface of the connecting plate opposite to the clamping protrusion, and a threaded hole for connecting the connecting plate to the bottom shell in a threaded manner is formed in the convex plate.

(III) advantageous effects

Compared with the prior art, the technical scheme of the utility model have following advantage:

when the electronic scale is used, a user only needs to press the button for several times, so that the pressing sliding block moves up and down under the action of the reset spring, the multistage transmission power generation assembly in the shell is driven by the rack to rotate to generate electric energy, a heavy object on the scale plate is weighed by the main control electric plate and the sensor module, and finally the heavy object is displayed by the display screen; the installation groove is formed in one end of the shell, the pressing sliding block is arranged in the installation groove, so that the power generation module is more compact in structure, and in addition, the pressing sliding block can be prevented from rotating in the installation groove firstly through the matching of the positioning protrusion and the positioning sliding groove, and can be prevented from being separated from the installation sliding groove under the action of the reset spring; the scale plate is provided with a rubber buffer pad which is sleeved on the button at the mounting hole, and the rubber buffer pad is arranged to prevent the button from being abraded by impact between the button and the scale plate.

Drawings

Fig. 1 is a schematic view of an assembly structure of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

FIG. 3 is a schematic view of the bottom case and its internal structure;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

FIG. 5 is an exploded view of the power generation module;

FIG. 6 is a schematic diagram of an exploded structure of a sensor module;

FIG. 7 is a schematic structural view of a connecting plate;

FIG. 8 is a schematic view of the structure of the button;

FIG. 9 is an exploded view of the multi-stage transmission power generation assembly;

fig. 10 is a structural view of the bottom case of the present invention.

Detailed Description

Referring to fig. 1-10, an electronic scale with power generation function includes a bottom case 1 having a main control electric board installed therein, and a scale board 2 disposed on the bottom case 1, wherein a display screen module 3, a power supply, and a sensor module electrically connected to the main control electric board are disposed between the bottom case 1 and the scale board 2; the power generation device also comprises a power generation module and a rectification voltage stabilizing circuit, wherein the rectification voltage stabilizing circuit is respectively and electrically connected with the output end of the power generation module and the input end of the power supply; the power generation module comprises a shell 4 internally provided with a multi-stage transmission power generation assembly, one end of the shell 4 is provided with a mounting groove 401 for mounting a pressing slider 5, and the side surface of the pressing slider 5 is provided with a rack 6 for driving the multi-stage transmission power generation assembly to rotate along the vertical direction; the balance is characterized in that a return spring 7 forcing the pressing slider 5 to be separated from the mounting groove 401 is arranged in the mounting groove 401, a mounting hole is formed in the position of the pressing slider 5 on the scale plate 2, and a button 8 connected with the pressing slider 5 is arranged in the mounting hole.

When using this electronic scale the user only need press button 8 several times for press slider 5 up-and-down motion under reset spring 7's effect, and then be located the rotatory electric energy that produces of multistage transmission power generation component in shell 4 through the drive of rack 6, and carry the electric energy that produces to the power through rectification voltage stabilizing circuit, the power provides the electric energy for the main control electroplax, weigh for being located the heavy object on balance board 2 through main control electroplax and sensor module, show by display screen 3 at last.

The multi-stage transmission power generation assembly comprises a first gear 13, a first gear set, a second gear set, a third gear set, a second gear 14 and a generator 15 which are rotatably connected in the shell 4 and are sequentially transmitted; the first gear 13 is close to the pressing slider 5 and meshed with the rack 6, the first gear set comprises a third gear 16 and a fourth gear 17 which are coaxially arranged, and the third gear 16 is meshed with the first gear 13; the second gear set comprises a fifth gear 18 and a sixth gear 19 which are coaxially arranged, the fifth gear 18 is meshed with the fourth gear 17, the third gear set comprises a seventh gear 20 and an eighth gear 21 which are coaxially arranged, the seventh gear 20 is meshed with the sixth gear 19, the eighth gear 21 is meshed with the second gear 14, and the second gear 14 is fixedly arranged on a driving shaft of the generator 15; this setting is when rack 6 up-and-down motion, through the multistage transmission of first gear 13, first gear train, second gear train, third gear train, second gear 14 for generator 15 can rotate fast and generate electricity, improves the efficiency that multistage transmission electricity generation subassembly produced electric energy greatly.

The notch department of mounting groove 401 is equipped with location arch 402, the side of pressing slider 5 along vertical direction be equipped with location arch 402 sliding connection's location spout 501, protruding 402 and the cooperation of location spout 501 can prevent at first to press slider 5 to take place rotatoryly in mounting groove 401 through the location, can prevent secondly to press slider 5 to break away from installation spout 401 under reset spring 7's effect. The top end of the pressing slider 5 is provided with an anti-rotation protrusion 502, and the surface of the button 8, which is matched with the pressing slider 5, is provided with an anti-rotation groove 801 matched with the anti-rotation protrusion 502. The scale plate 2 is provided with a rubber buffer pad 9 sleeved on the button 8 at the mounting hole, and the rubber buffer pad 9 can prevent the button 8 and the scale plate 2 from being impacted and abraded. The bottom two sides of the bottom shell 1 are provided with arc-shaped recesses 111, and the arc-shaped recesses 11 are arranged to facilitate hands to extend into the bottom of the electronic scale from the arc-shaped recesses 11 when the electronic scale is taken up from the ground.

The sensor module comprises pressure sensors 10 arranged in the bottom shell 1 and positioned at four corners, wherein the bottom of each pressure sensor 10 is provided with a supporting foot pad 11, and the upper part of each pressure sensor 10 is provided with a connecting plate 12 for installing the pressure sensor 10 on the bottom shell 1. The bottom of the connecting plate 12 is provided with a groove 1201 for placing the pressure sensor, and a buckle 1202 arranged beside the groove 1201 and used for clamping the pressure sensor 10 into the groove 1201. A clamping protrusion 1203 used for clamping the connecting plate 12 into the bottom shell 1 is arranged on the side face of the connecting plate 12, and a clamping buckle 101 matched with the clamping protrusion 1203 is arranged in the bottom shell 1; a convex plate 1204 is arranged on the side surface of the connecting plate 12 opposite to the clamping protrusion 1203, and a threaded hole for connecting the connecting plate 12 to the bottom shell 1 in a threaded manner is formed in the convex plate 1204.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. An electronic scale with a power generation function comprises a bottom shell internally provided with a main control electric plate, and a scale plate arranged on the bottom shell, wherein a display screen module, a power supply and a sensor module which are electrically connected with the main control electric plate are arranged between the bottom shell and the scale plate; the power generation device is characterized by further comprising a power generation module and a rectification voltage stabilizing circuit, wherein the rectification voltage stabilizing circuit is electrically connected with the output end of the power generation module and the input end of the power supply respectively; the power generation module comprises a shell internally provided with a multi-stage transmission power generation assembly, one end of the shell is provided with a mounting groove for mounting a pressing slider, and the side surface of the pressing slider is provided with a rack for driving the multi-stage transmission power generation assembly to rotate along the vertical direction; the scale is characterized in that a reset spring for forcing the pressing slide block to be separated from the mounting groove is arranged in the mounting groove, a mounting hole is formed in the position of the pressing slide block on the scale plate, and a button connected with the pressing slide block is arranged in the mounting hole.

2. The electronic scale with power generation function according to claim 1, wherein the multi-stage transmission power generation assembly comprises a first gear, a first gear set, a second gear set, a third gear set, a second gear and a power generator which are rotatably connected in the housing and are sequentially transmitted; the first gear is close to the pressing slider and meshed with the rack, the first gear set comprises a third gear and a fourth gear which are coaxially arranged, and the third gear is meshed with the first gear; the second gear set comprises a fifth gear and a sixth gear which are coaxially arranged, the fifth gear is meshed with the fourth gear, the third gear set comprises a seventh gear and an eighth gear which are coaxially arranged, the seventh gear is meshed with the sixth gear, the eighth gear is meshed with the second gear, and the second gear is fixedly installed on a driving shaft of the generator.

3. The electronic scale with the power generation function according to claim 1, wherein a positioning protrusion is arranged at a notch of the mounting groove, and a positioning sliding groove connected with the positioning protrusion in a sliding manner is arranged on the side surface of the pressing slider along a vertical direction; the button is characterized in that an anti-rotation bulge is arranged at the top end of the pressing slider, and an anti-rotation groove matched with the anti-rotation bulge is arranged on the surface, matched with the pressing slider, of the button.

4. The electronic scale with power generation function as claimed in claim 3, wherein a rubber cushion sleeved on the button is provided at the mounting hole on the scale plate.

5. The electronic scale with power generation function according to claim 1, wherein two sides of the bottom shell are provided with arc-shaped concave structures.

6. The electronic scale with power generation function according to claim 1, wherein the sensor module includes pressure sensors disposed in the bottom case at four corners, a bottom of the pressure sensor is provided with a support foot pad, and an upper portion of the pressure sensor is provided with a connection plate for mounting the pressure sensor to the bottom case.

7. The electronic scale with power generation function according to claim 6, wherein the bottom of the connecting plate is provided with a groove for placing the pressure sensor, and a buckle arranged beside the groove for clamping the pressure sensor into the groove.

8. The electronic scale with the power generation function according to claim 7, wherein a clamping protrusion for clamping the connecting board into the bottom shell is arranged on a side surface of the connecting board, and a clamping buckle matched with the clamping protrusion is arranged in the bottom shell; and a convex plate is arranged on the side surface of the connecting plate opposite to the clamping protrusion, and a threaded hole for connecting the connecting plate to the bottom shell in a threaded manner is formed in the convex plate.

Images