Self-generating portable electronic scale

Abstract

The utility model discloses a self-generating portable electronic scale, which comprises an electronic scale body, the electronic scale body is provided with a pressure sensor, a display screen, a generator, a manual driving device, a capacitor and a circuit board, the pressure sensor is connected with a weighing hook, the weighing hook extends out of the electronic scale body, and the display screen is connected with the generator. The electronic scale is characterized in that the manual driving device comprises a gear set rotationally arranged in the electronic scale body, a rack driving the gear set to rotate, a lifting piece used for pulling the rack to slide outwards and an elastic piece driving the rack to reset, the generator is in linkage fit with the gear set, and the gear set is meshed with the rack. One end of the lifting piece is directly or indirectly connected to the rack, the other end of the lifting piece extends out of the electronic scale body, and the manual power device is driven by the lifting piece, so that relative slipping of the electronic scale can be prevented, and the electronic scale is stable in use.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic scale technical field, especially a kind of portable electronic scale of self power generation. BACKGROUND

[0002] In prior art, a Chinese utility model patent, application number is 202322763303.6, and patent name is: a self power generation portable luggage scale, including shell, power unit, weighing unit and display screen, power unit includes generator and artificial power device, generator is installed in shell, for the power supply of weighing unit and display screen, artificial power device is installed on the outside of shell, and is connected with generator, artificial power device is used to make generator generate electricity by using manpower, weighing unit includes load hook and sensor, load hook is used to lift the article to be weighed, sensor is installed in shell, and is connected with load hook, for converting the gravity suffered by load hook into digital information, display screen is installed on the outside of shell, for displaying the digital information converted by sensor, but, the artificial power device of this patent adopts the mode of slide piece side sliding to drive, and increases friction by setting anti-slip pattern, after long-term use, anti-slip pattern is easy to wear, so as to be easy to slip. SUMMARY

[0003] The utility model discloses the purpose: in order to overcome the defects of prior art, the utility model provides a kind of portable electronic scale of self power generation, artificial power device is driven by lifting piece, so as to prevent its relative slip, and it is also more stable when using.

[0004] The utility model discloses a kind of portable electronic scale of self power generation, including electronic scale body, the pressure sensor for weighing is equipped on the electronic scale body, display screen for showing data, generator for generating electricity, artificial driving device for driving generator to generate electricity, capacitor for storage and power supply and circuit board for controlling circuit, pressure sensor, generator, capacitor, display screen are electrically connected with circuit board, the weighing hook is connected on the pressure sensor, weighing hook extends to the outside of electronic scale body, it is characterized in that: the artificial driving device includes gear set rotationally arranged in the electronic scale body, rack for driving gear set rotation, lifting piece for pulling rack to slide outward and elastic member for driving rack reset, generator is linked with gear set, gear set is engaged with rack, lifting piece one end is directly or indirectly connected on rack, and the other end extends to the outside of electronic scale body.

[0005] The weighing hook can be used to hang the article, the pressure sensor converts the data into a signal, the signal is fed back to the circuit board, the circuit board processes the signal into display data, and the display screen displays the data, the capacitor supplies power to the whole circuit, when the capacitor is out of power, the pulling piece is pulled to make the rack slide outward, the elastic piece drives the rack to reset, the gear set rotates, the coil of the generator rotates, the magnetic induction generates electricity, and the circuit board stores the generated electricity in the capacitor.

[0006] The electronic scale body is provided with a sliding groove in the sliding direction of the rack, the sliding block is slidably arranged on the sliding groove, and the rack and the pulling piece are both connected to the sliding block.

[0007] The sliding block is guided when sliding, the rack is prevented from moving, and the rack is prevented from moving too much by the limiting piece, so that the rack is more stable when sliding.

[0008] The elastic piece is a tension spring, and a plurality of tension springs are arranged opposite to each other, one end of the tension spring acts on the electronic scale body, and the other end acts on the sliding block.

[0009] The plurality of tension springs are used to reset the sliding block, the sliding block is more stable when resetting, the rack is more stable when resetting, and the rack reciprocates.

[0010] The electronic scale body is in a strip shape, the pulling piece is arranged at the tail of the electronic scale body, and the display screen is arranged at the head of the electronic scale body.

[0011] The above technical scheme can generate electricity while being used, and the structure is reasonable.

[0012] The gear set comprises a plurality of transmission structures, each transmission structure comprises a driving gear and a driven gear which rotates synchronously with the driving gear, the number of teeth of the driving gear is greater than that of the driven gear, the driving gear of the upper transmission structure is engaged with the driven gear of the lower transmission structure, the driving gear of the first transmission structure is engaged with the rack, and the driving gear of the last transmission structure is connected with the generator.

[0013] The above technical scheme can generate electricity while being used, and the structure is reasonable. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the electronic scale body of this utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the electronic scale body of this utility model;

[0017] Figure 4 This is a schematic diagram of the internal structure of the electronic scale body of this utility model;

[0018] Figure 5 This is a diagram showing the fit between the gear set, rack, slider, and generator of this utility model;

[0019] Figure 6 This is a schematic diagram of one of the primary transmission structures of this utility model. Detailed Implementation

[0020] The specific embodiments of this utility model are described in detail below with reference to the accompanying drawings:

[0021] In the description of this utility model, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] The utility model discloses a kind of self-power generation portable electronic scales, including electronic scale body 1, the pressure sensor 2 for weighing is equipped on the electronic scale body 1, display screen 3 for showing data, generator 4 for generating electricity, artificial driving device 5 for driving generator 4 to generate electricity, capacitor 6 for storing and power supply and circuit board 7 for controlling circuit, pressure sensor 2, generator 4, capacitor 6, display screen 3 are all electrically connected with circuit board 7, the weighing hook 8 is connected on the pressure sensor 2, weighing hook 8 extends to the outside of electronic scale body 1, generator 4, pressure sensor 2, capacitor 6 and circuit board 7 can be directly purchased from market, detailed specific introduction is not made in this paper, in the utility model implementation, the artificial driving device 5 includes gear set 51 rotationally arranged in the electronic scale body 1, rack 52 for driving gear set 51 to rotate, lifting member 53 for pulling rack 52 to slide outward and elastic member 54 for driving rack 52 to reset, generator 4 is linked with gear set 51, gear set 51 is engaged with rack 52, one end of lifting member 53 is directly or indirectly connected on rack 52, and the other end extends to the outside of electronic scale body 1.

[0023] Using the above technical scheme, when using, the article can be hung by the weighing hook 8, the data is converted into signal by the pressure sensor 2, the signal is fed back to the circuit board 7, and the signal is processed into display data by the circuit board 7, and the display data is displayed by the display screen 3, the capacitor 6 can supply power to the whole circuit, when the capacitor 6 is out of power, the rack 52 can slide outward by pulling the lifting member 53, and the rack is reset by the elastic member 54, so as to drive the gear of the gear set to reverse, so as to drive the coil of the generator 4 to rotate, so as to form the effect of magnetic power generation, and the generated electric energy is stored on the capacitor 6 by the circuit board 7, and the capacitor 6 can be charged and discharged temporarily, the generator 4 is driven to generate electricity by the above-mentioned mode, the artificial driving device 5 can stably generate power, and the problem of insufficient friction and slippage can be overcome.

[0024] The electronic scale body 1 is provided with a sliding groove 9 along the sliding direction of the rack 52, the sliding groove 9 is provided with a sliding block 10, the rack 52 and the lifting member 53 are connected and arranged on the sliding block 10, and the two ends of the sliding groove 9 are provided with a limiting piece 20 (the limiting piece 20 is preferably a limiting sheet, a limiting block or a limiting column) for limiting the sliding displacement of the sliding block 10, the sliding groove 9 can guide the sliding block 10 to slide, so as to prevent the rack 52 from moving, and the limiting piece 20 can further prevent the rack 52 from moving too much, so that the rack 52 can slide more stably, and the sliding groove 9 can be further provided with a guide sheet, the sliding block is provided with a guide groove, the guide sheet and the guide groove guide and slide, of course, the guide sheet can be arranged on the sliding block 10, and the guide groove is arranged on the sliding groove 9.

[0025] The elastic member 54 is a tension spring, and a plurality of sets of tension springs are oppositely arranged, one end of the tension spring acts on the electronic scale body 1, and the other end acts on the sliding block 10, a plurality of sets of tension springs are used to drive the sliding block 10 to reset, and the sliding block 10 is more stable during resetting and is not easy to deviate, so that the rack 52 is more stable during resetting, and the rack 52 reciprocates conveniently.

[0026] The electronic scale body 1 is in a strip shape, the pulling member 53 is arranged at the tail of the electronic scale body 1, and the display screen 3 is arranged at the head of the electronic scale body 1, so that the electronic scale can be used while generating electricity, and the structure layout is reasonable.

[0027] The gear set 51 comprises a plurality of stages of transmission structures, each stage of transmission structure comprises a driving gear 511 and a driven gear 512 which rotates synchronously with the driving gear 511, the number of teeth of the driving gear 511 is more than that of the driven gear 512, the driving gear 511 of the upper stage of transmission structure is engaged with the driven gear 512 of the lower stage of transmission structure, the driving gear 511 of the first stage of transmission structure is engaged with the rack 52, and the driving gear 511 of the last stage of transmission structure is connected with the generator 4, and the plurality of stages of transmission structures all adopt a large gear to drive a small gear to rotate, so that the generator 4 can be driven to generate electricity with less effort.

Claims

1. A self-generating portable electronic scale, comprising an electronic scale body (1), wherein the electronic scale body (1) is provided with a pressure sensor (2) for weighing, a display screen (3) for displaying data, a generator (4) for generating electricity, a manual drive device (5) for driving the generator (4) to generate electricity, a capacitor (6) for storing and supplying electricity, and a circuit board (7) for controlling the circuit, wherein the pressure sensor (2), the generator (4), the capacitor (6), and the display screen (3) are all electrically connected to the circuit board (7), and a weighing hook (8) is connected to the pressure sensor (2), the weighing hook (8) extending outside the electronic scale body (1), characterized in that: The manual drive device (5) includes a gear set (51) rotatably installed inside the electronic scale body (1), a rack (52) that drives the gear set (51) to rotate, a lifting member (53) for pulling the rack (52) to slide outward, and an elastic member (54) for driving the rack (52) to reset. The generator (4) is linked with the gear set (51), the gear set (51) meshes with the rack (52), one end of the lifting member (53) is directly or indirectly connected to the rack (52), and the other end extends to the outside of the electronic scale body (1).

2. The self-generating portable electronic scale according to claim 1, characterized in that: The electronic scale body (1) is provided with a slide groove (9) along the sliding direction of the rack (52), and a slider (10) is slidably provided on the slide groove (9). The rack (52) and the lifting member (53) are both connected to the slider (10), and the two ends of the slide groove (9) are provided with limiting members (20) to restrict the sliding displacement of the slider (10).

3. The self-generating portable electronic scale according to claim 2, characterized in that: The elastic element (54) is a tension spring. Multiple sets of tension springs are arranged opposite each other. One end of the tension spring acts on the electronic scale body (1), and the other end acts on the slider (10).

4. A self-generating portable electronic scale according to claim 1, 2, or 3, characterized in that: The electronic scale body (1) is long and narrow, with a lifting member (53) located at the tail of the electronic scale body (1) and a display screen (3) located at the head of the electronic scale body (1).

5. A self-generating portable electronic scale according to claim 1, 2, or 3, characterized in that: The gear set (51) includes several transmission structures. Each transmission structure includes a driving gear (511) and a driven gear (512) that rotates synchronously with the driving gear (511). The driving gear (511) has more teeth than the driven gear (512). The driving gear (511) of the previous transmission structure meshes with the driven gear (512) of the next transmission structure. The driving gear (511) of the first transmission structure meshes with the rack (52). The driving gear (511) of the last transmission structure is linked with the generator (4).

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