CN215414000U

CN215414000U - Electronic scale with external self-generating device

Info

Publication number: CN215414000U
Application number: CN202121309847.XU
Authority: CN
Inventors: 范焘
Original assignee: Zhongshan Yilai Electronics Co ltd
Current assignee: Zhongshan Yilai Electronics Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-01-04
Anticipated expiration: 2031-06-11

Abstract

The utility model provides an electronic scale with an external self-generating device, which comprises an electronic scale body without a power supply and a self-generating device, wherein the self-generating device is electrically connected with the electronic scale body through a lead, the self-generating device is used for providing electric energy for the electronic scale body so as to start the electronic scale body, when the electronic scale is used, the self-generating device is connected to the electronic scale, and the electronic scale can be powered through a pedal face shell.

Description

Electronic scale with external self-generating device

Technical Field

The utility model relates to an electronic scale with an external self-generating device.

Background

The electronic scale is an electronic product closely related to life of people, for example, in a schedule life, a body weight scale is used when people pay attention to body health; a nutrition analysis scale is used when food nutrition is concerned; the daily transaction can use commercial electronic platform scale and valuation scale, etc. The scale has incomplete statistics, and only domestic weighing scales and kitchen small scale in China production export exceed 6000 thousands of scales each year, so that the market capacity is huge. At present, electronic scales for home use all need to be equipped with batteries to provide energy for system operation, and button batteries, dry batteries, rechargeable batteries and the like are commonly used. The amount of waste batteries generated by the method is more than 6000 million according to the average consumption of one battery per platform of scale per year, the environmental protection treatment of the waste batteries is a great problem, and if the waste batteries are not treated properly and even are discarded into the living environment without treatment, serious harm is caused to the environment and human beings.

In view of this, some manufacturers have developed electronic scales with a self-generating function, for example, the patent application nos.: -CN201620094056.2-, a utility patent entitled "a new kinetic electronic scale"; however, this structure has the following disadvantages: 1) holes are required to be formed in the scale panel, then the pedal plate is additionally arranged on the scale panel, and the bottom of the pedal plate penetrates through the holes in the scale panel to enter the scale body to drive the power generation device, so that the attractiveness of the scale body is damaged; 2) the structure is complex, the number of parts is large, the installation is troublesome, and the cost is high;

3) the water-and dust-proofness is deteriorated.

Disclosure of Invention

The utility model provides an electronic scale with an external self-generating device, which is used for solving the technical problems that in the prior art, an electronic scale with a self-generating function needs to be provided with a hole on a scale panel, then a pedal plate is additionally arranged on the scale panel, the bottom of the pedal plate penetrates through the hole on the scale panel to enter a scale body to drive a generating device, the integral attractiveness of the scale body is damaged, the structure is complex, parts are more, the installation is troublesome, and the cost is higher.

The technical scheme of the utility model is realized as follows:

the electronic scale with the external self-generating device comprises an electronic scale body without a power supply and the self-generating device, wherein the self-generating device is electrically connected with the electronic scale body through a wire, and the self-generating device is used for providing electric energy for the electronic scale body so as to start the electronic scale body.

Preferably, one end of the lead is electrically connected with the self-generating device, the other end of the lead is provided with a plug, and a socket matched with the plug is arranged on the electronic scale body.

Preferably, the electronic scale body includes shell, control scheme board, pressure sensor and is used for bearing the bearing panel of measurand, and the shell is equipped with the accommodation space, and the control scheme board is arranged in the accommodation space, installs a plurality of scale feet in the bottom of shell, pressure sensor installs in the scale foot, inlays on the surface of bearing panel and is equipped with the display screen that is used for showing the numerical value of weighing, the socket inlays the dress and is in the lateral wall of shell and with the control scheme board electricity is connected.

Preferably, from power generation facility includes face-piece, drain pan and from the power generation unit, and the face-piece lid encloses into the cavity at the top of drain pan, face-piece and drain pan, from the power generation unit and install in the cavity the inside, and face-piece and drain pan form the swing joint, through pedal face-piece, make face-piece and drain pan take place relative displacement, the face-piece drive is from the power generation unit electricity generation, the wire with from the power generation unit electricity is connected a confession has been seted up to the bottom of drain pan the through-hole that the wire passed.

Preferably, the bottom case includes a bottom plate and an inner group edge protruded from an edge of the bottom plate, and the face case includes a panel and an outer group edge protruded from an edge of the panel, the outer group edge fitting an outer side of the inner group edge.

Preferably, the bottom plate is protruded with a support seat, the support seat supports the rotating shaft, and the outer group edge of the face shell penetrates through the rotating shaft, so that the face shell is hinged with the bottom shell.

Preferably, a mounting seat protrudes from the middle of the bottom shell, the mounting seat surrounds a groove, the self-generating unit is embedded into the groove, and the mounting seat is located inside the inner group edge.

Preferably, the self-generating unit comprises a shell, a driving part, a speed-increasing transmission mechanism, a generator and a power supply tidying storage unit; the speed-increasing transmission mechanism, the generator and the power supply sorting and storing unit are all positioned in the shell, and the driving part is connected with the shell; the driving part is in transmission connection with the speed-increasing transmission mechanism and is used for driving the speed-increasing transmission mechanism; the speed-increasing transmission mechanism is connected with the generator and is used for driving the generator to generate electricity; the power supply arrangement storage unit is connected with the generator and used for arranging, storing and outputting the electric energy provided by the generator.

Preferably, the driving component includes a key, a rack and an elastic component, the housing is provided with an accommodating position, the key is arranged in the accommodating position, the rack is fixed on the key, the rack is in transmission connection with the speed-increasing transmission mechanism, the elastic component is used for supporting the key, one end of the elastic component is connected with the bottom of the key, the other end of the elastic component is connected with the housing, when the key is pressed down, the elastic component is compressed to store compression potential energy, when the external force on the key is removed, the compression potential energy of the compressed elastic component is released to push the key to move upwards for resetting, and the rack makes reciprocating linear motion along with the key in the axis direction of the key, so as to drive the speed-increasing transmission mechanism to rotate; at least two guide rib plates are arranged in the circumferential direction of the key, for each guide rib plate, a guide groove matched with the guide rib plate is arranged in the shell, the guide rib plates are clamped in the corresponding guide grooves, and the key can reciprocate along the axis direction of the key under the constraint of the guide grooves.

Preferably, the self-generating unit is further provided with a limiting part, and the limiting part is arranged in the moving direction of the key and used for limiting the stroke of the key; the limiting part is a screw which is arranged at the bottom end of the key and is coaxial with the key, the area of the head of the screw is larger than that of one end of the key, which is connected with the screw, and the head of the screw can be clamped at a corresponding position of the shell in the moving process.

Compared with the prior art, the utility model has the following advantages:

1. the utility model provides an electronic scale with external self power generation facility, including the electronic scale body that does not contain the power and from power generation facility, from power generation facility pass through the wire with electronic scale body electricity is connected, from power generation facility is used for doing thereby the electronic scale body provides the electric energy and starts the electronic scale body, during the use, be connected to the electronic scale above-mentioned from power generation facility on, can realize supplying power to the electronic scale through pedal face-piece, this scheme separates power generation facility and electronic scale, can ensure the holistic aesthetic property of the balance body, and makes electronic scale simple structure, the part number is few, installation convenient to use, in addition, this from power generation facility and electronic scale are the separation, need not to change the original production line of electronic scale, can reduce manufacturing cost, from power generation facility can independent used repeatedly, accord with the environmental protection requirement.

2. Other advantages of the present invention are described in detail in the examples section.

Drawings

FIG. 1 is a schematic perspective view of an electronic scale according to the present invention;

FIG. 2 is a schematic perspective view of an electronic scale according to another embodiment of the present invention;

FIG. 3 is an exploded view of an electronic scale according to the present invention;

fig. 4 is a schematic perspective view of a self-generating device provided by the present invention;

FIG. 5 is an exploded view of a self-power-generation device according to the present invention;

FIG. 6 is a schematic front view of a self-power-generating device according to the present invention;

FIG. 7 is a schematic view of the cross-section A-A of FIG. 6;

fig. 8 is a schematic bottom view of a self-power-generation device according to the present invention;

FIG. 9 is a schematic view of the cross-sectional view B-B of FIG. 8;

fig. 10 is a schematic structural diagram of a self-generating unit provided by the present invention;

fig. 11 is another schematic structural diagram of the self-generating unit provided by the present invention;

fig. 12 is a block diagram illustrating a schematic circuit of an electronic scale according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, the present embodiment provides an electronic scale with an external self-generating device, including an electronic scale body 3 without a power source and a self-generating device 5, wherein the self-generating device 5 is electrically connected to the electronic scale body 3 through a wire 7, the self-generating device 5 is used for providing electric energy to the electronic scale body 3 to start the electronic scale body 3, when in use, the self-generating device is connected to the electronic scale, and power supply to the electronic scale can be realized through a pedal panel shell 1, the power generating device and the electronic scale are separated in the present scheme, so that the integral aesthetic property of the scale body can be ensured, the electronic scale has a simple structure, a small number of parts and is convenient to install and use, and in addition, the self-generating device and the electronic scale are separated without changing the original production line of the electronic scale, so that the manufacturing cost can be reduced; and this self-generating device can independent used repeatedly, accords with the environmental protection requirement.

Preferably, one end of the lead 7 is electrically connected with the self-generating device 5, the other end of the lead 7 is provided with a plug 71, the electronic scale body 3 is provided with a socket 30 matched with the plug 71, the connection between the lead 7 and the electronic scale body 3 is designed to be pluggable, the self-generating device 5 and the electronic scale body 3 can be conveniently detached, the storage and the use are convenient, the self-generating device 5 can be quickly and conveniently replaced, and the later-stage self-generating device 5 can be conveniently detached and maintained; in practical application, plugs may be disposed at two ends of the wire 7, sockets adapted to the plugs are disposed on the self-generating device 5 and the electronic scale body 3, and the plug 71 and the socket 30 may be USB interfaces.

Electronic scale body 3 includes shell 31, control scheme board 32, pressure sensor 33 and is used for bearing the bearing panel 34 of measurand, and shell 31 is equipped with the accommodation space, and in the accommodation space was arranged in to control scheme board 32, installs a plurality of balance feet 35 in the bottom of shell 31, pressure sensor 33 installs in balance feet 35, inlays on bearing panel 34's surface and is equipped with the display screen 8 that is used for showing the numerical value of weighing, socket 30 inlays and is in shell 31's lateral wall and with control scheme board 32 electricity is connected, and simple structure need not to change the original production line of electronic scale.

Specifically, the control circuit board 32 is integrated with a microprocessor MCU, an a/D conversion circuit, a driving circuit and a weighing measurement circuit, the pressure sensor 33 is an electronic component in the weighing measurement circuit, when the pressure sensor 33 senses pressure, the pressure signal is converted by the a/D conversion circuit and then transmitted to the microprocessor MCU, and the microprocessor MCU transmits the converted signal to the display screen 8 through the driving circuit, so that the display screen 8 displays the weight.

As shown in fig. 4 to 9, the self-generating device 5 includes a face shell 1, a bottom shell 2 and a self-generating unit 4, the face shell 1 covers the top of the bottom shell 2, the face shell 1 and the bottom shell 2 surround to form a cavity 6, the self-generating unit 4 is installed in the cavity 6, the face shell 1 and the bottom shell 2 form a movable connection, the face shell 1 and the bottom shell 2 are relatively displaced by pedaling the face shell 1, the face shell 1 drives the self-generating unit 4 to generate electricity, the wire 7 is electrically connected with the self-generating unit 4, and a through hole 27 for the wire 7 to pass through is formed in the bottom of the bottom shell 2.

The bottom shell 2 comprises a bottom plate 21 and an inner group edge 22 protruding from the edge of the bottom plate 21, the face shell 1 comprises a panel 11 and an outer group edge 12 protruding from the edge of the panel 11, and the outer group edge 12 is sleeved outside the inner group edge 22 and buckled with each other, so that the bottom shell 2 and the face shell 1 are simple and convenient to install.

The bottom plate 21 is protruded with a support base 23, the support base 23 supports a rotating shaft 24, the outer group edge 12 of the face shell 1 penetrates through the rotating shaft 24, so that the face shell 1 is hinged with the bottom shell 2, and the face shell 1 can be conveniently displaced relative to the bottom shell 2.

A mounting seat 25 protrudes from the middle of the bottom shell 2, the mounting seat 25 encloses a groove 26, the self-generating unit 4 is embedded in the groove 26, and the mounting seat 25 is positioned in the inner group edge 22.

And a mounting column is also protruded on the bottom shell 2, a screw hole is formed in the mounting column, and the control circuit board 323 is locked on the mounting column through a screw.

As shown in fig. 10 to 12, the self-generating unit 4 includes a housing 41, a driving member 42, a speed-increasing transmission mechanism 43, a generator 44 and a power supply tidying storage unit 45, and the speed-increasing transmission mechanism 43, the generator 44 and the power supply tidying storage unit 45 are all located in the housing 41; the driving part 42 is connected with the shell 41, and the driving part 42 is in transmission connection with the speed-increasing transmission mechanism 43; the speed-increasing transmission mechanism 43 is connected with the generator 44, and the driving component 42 is used for driving the speed-increasing transmission mechanism 43 so as to drive the generator 44 to generate electricity; the power supply sorting and storing unit 45 is connected with the generator 44 and is used for sorting, storing and outputting the electric energy provided by the generator 44. In this example, the generator 44 is a micro-generator 44. Further, the driving unit 42 includes a button 421, a rack 422 and an elastic unit 423, in this embodiment, the elastic unit 423 is a return spring, but is not limited to a return spring, and in other embodiments, it may be another elastic member. The housing 41 is provided with an accommodating position, the key 421 is arranged at the accommodating position, in this example, one part of the key 421 is located at the accommodating position in the housing 41, and the other part protrudes out of the surface of the housing 41, in other examples, the key 421 can also be wholly located in the housing 41, as long as acting force can be applied to the key 421, the rack 422 is integrated on the key 421, and the rack 422 is in transmission connection with the speed-increasing transmission mechanism 43; the push button 421 is supported by the elastic component 423, in this example, one end of the elastic component 423 is connected to the bottom of the push button 421, and the other end is connected to the housing 41, when the push button 421 is pressed, the elastic component 423 is compressed to store compression potential energy, when the external force on the push button 421 is removed, the compression potential energy of the compressed elastic component 423 is released to push the push button 421 to move upwards for resetting, and the rack 422 makes reciprocating linear motion along with the push button 421 in the axial direction of the push button 421, so as to drive the speed-increasing transmission mechanism 43 to rotate. Furthermore, the self-generating device is further provided with a limiting portion 46, the limiting portion 46 is arranged in the moving direction of the key 421, and can be used for preventing the key 421 from continuing to move due to the action of inertia force when the key 421 is pushed by the elastic member 423 to return to the original state, and the limiting portion 46 can be arranged on the housing 41 or the key 421. In this embodiment, the limiting function is realized by arranging a screw at one end of the key 421, i.e., the bottom end of the key 421, the screw is coaxial with the key 421, the area of the head of the screw is larger than the area of the end of the key 421 connected to the screw, and the screw can be clamped at a corresponding position of the housing 41 during the movement process, and the reset stroke of the key 421 can also be limited by adopting other modes with the same effect. At least two guide rib plates 4211 are arranged in the circumferential direction of the key 421, in this embodiment, three guide rib plates 4211 are arranged, and the guide rib plates 4211 are preferably distributed at equal intervals; the housing 41 is correspondingly provided with a guide groove 411 matched with the guide rib 4211, the guide rib 4211 is clamped in the guide groove 411, and the key 421 can reciprocate up and down along a fixed axis, namely the axis of the key 421, under the constraint of the guide groove 411 through the matching of the guide groove 411 and the guide rib 4211. The key 421 can overcome the resistance to move downwards by an external driving force such as a hand pressing or foot stepping mode, then overcome the resistance to return upwards to an initial position by the elastic restoring force of the elastic component 423, and reciprocate in the axial direction by the sequential action of the external driving force and the elastic restoring force of the elastic component 423, so as to drive the speed-increasing transmission mechanism 43 to drive the generator 44 to generate electricity, and if the electricity needs to be generated continuously, the external driving force and the elastic restoring force of the elastic component 423 act alternately; when the power generation device is used, the panel shell 1 is pressed down to drive the driving part 42, so that power generation driving is achieved.

The speed-increasing transmission mechanism 43 includes at least one duplicate gear, and the speed-increasing transmission mechanism 43 in this embodiment is specifically a linked gear set composed of three duplicate gears, the three duplicate gears are respectively supported in the housing 41 through the hollow core shaft sleeves, the core shaft and the core shaft are parallel to each other, and the duplicate gears can rotate around their core shafts. The rack 422 is engaged with the pinion of the duplicate gear, the bull gear of the duplicate gear is engaged with the driving gear of the generator 44, and three-stage gear transmission is adopted, so that the volume of the self-generating device can be optimized while the sufficient transmission force and the speed increasing ratio are ensured. The driving gear of the generator 44 is fixed to the shaft of the generator 44, and the driving gear rotates to rotate the rotor inside the generator 44, so that current is generated in the coil inside the generator 44 to generate power.

The power supply arrangement storage unit comprises a rectification unit and an electric energy storage device, the power supply arrangement storage unit 45 is used for sequentially rectifying and limiting alternating current generated by the generator 44, the alternating current is arranged into direct current with stable amplitude through the rectification unit, and the direct current is stored by the electric energy storage device in the power supply arrangement storage unit 45 and is output outwards. The electric energy stored in the power supply tidying and storing unit 45 is connected to the outward output positive plate and the outward output negative plate of the whole self-generating device according to the positive polarity and the negative polarity, and the direct current generated when the whole self-generating device works is output outwards.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an electronic scale with it is external from power generation facility which characterized in that: the electronic scale comprises an electronic scale body (3) without a power supply and a self-generating device (5), wherein the self-generating device (5) is electrically connected with the electronic scale body (3) through a lead (7), and the self-generating device (5) is used for providing electric energy for the electronic scale body (3) so as to start the electronic scale body (3);

the self-generating device (5) comprises a face shell (1), a bottom shell (2) and a self-generating unit (4), the face shell (1) covers the top of the bottom shell (2), a cavity (6) is formed by the face shell (1) and the bottom shell (2), the self-generating unit (4) is installed in the cavity (6), the face shell (1) and the bottom shell (2) are movably connected, relative displacement occurs between the face shell (1) and the bottom shell (2) through the pedal face shell (1), the face shell (1) drives the self-generating unit (4) to generate electricity, a wire (7) is electrically connected with the self-generating unit (4), and a through hole (27) for the wire (7) to pass through is formed in the bottom of the bottom shell (2).

2. The electronic scale with the external self-generating device according to claim 1, wherein: one end of the lead (7) is electrically connected with the self-generating device (5), the other end of the lead (7) is provided with a plug (71), and a socket (30) matched with the plug (71) is arranged on the electronic scale body (3).

3. The electronic scale with the external self-generating device according to claim 2, characterized in that: electronic scale body (3) include shell (31), control scheme board (32), pressure sensor (33) and be used for bearing the weight panel (34) of measurand, and shell (31) are equipped with the accommodation space, and in the accommodation space was arranged in to control scheme board (32), install a plurality of balance feet (35) in the bottom of shell (31), pressure sensor (33) are installed in balance feet (35), and the surface at weight panel (34) is inlayed and is equipped with display screen (8) that are used for showing the numerical value of weighing, socket (30) are inlayed the lateral wall of shell (31) and with control scheme board (32) electricity is connected.

4. The electronic scale with the external self-generating device according to claim 1, 2 or 3, wherein: the bottom shell (2) comprises a bottom plate (21) and an inner group edge (22) protruding from the edge of the bottom plate (21), the face shell (1) comprises a panel (11) and an outer group edge (12) protruding from the edge of the panel (11), and the outer group edge (12) is sleeved outside the inner group edge (22).

5. The electronic scale with the external self-generating device according to claim 4, wherein: a supporting seat (23) protrudes from the bottom plate (21), the supporting seat (23) supports a rotating shaft (24), and the outer group edge (12) of the face shell (1) penetrates through the rotating shaft (24) to enable the face shell (1) and the bottom shell (2) to be hinged.

6. The electronic scale with the external self-generating device according to claim 5, wherein: a mounting seat (25) protrudes from the middle of the bottom shell (2), the mounting seat (25) forms a groove (26), the self-generating unit (4) is embedded into the groove (26), and the mounting seat (25) is located in the inner group edge (22).

7. The electronic scale with the external self-generating device according to claim 4, wherein: the self-generating unit (4) comprises a shell (41), a driving component (42), a speed-increasing transmission mechanism (43), a generator (44) and a power supply sorting and storing unit (45); the speed-increasing transmission mechanism (43), the generator (44) and the power supply tidying and storing unit (45) are all positioned in the shell (41), and the driving part (42) is connected with the shell (41); the driving component (42) is in transmission connection with the speed-increasing transmission mechanism (43) and is used for driving the speed-increasing transmission mechanism (43); the speed-increasing transmission mechanism (43) is connected with the generator (44) and is used for driving the generator (44) to generate electricity; the power supply tidying and storing unit (45) is connected with the generator (44) and is used for tidying, storing and outputting the electric energy provided by the generator (44).

8. The electronic scale with the external self-generating device according to claim 7, wherein: the driving part (42) comprises a key (421), a rack (422) and an elastic part (423), a containing position is arranged on the shell (41), the key (421) is arranged at the containing position, the rack (422) is fixed on the key (421), the rack (422) is in transmission connection with the speed-increasing transmission mechanism (43), the elastic part (423) is used for supporting the key (421), one end of the elastic part (423) is connected with the bottom of the key (421), the other end of the elastic part is connected with the shell (41), when the key (421) is pressed down, the elastic part (423) is compressed to store compression potential energy, after the external force on the key (421) is removed, the compression potential energy of the compressed elastic part (423) is released to push the key (421) to move upwards for resetting, and the rack (422) makes reciprocating linear motion along with the key (421) in the axis direction of the key (421), thereby driving the speed-increasing transmission mechanism (43) to rotate; at least two guide rib plates (4211) are arranged in the circumferential direction of the key (421), for each guide rib plate (4211), a guide groove (411) matched with the guide rib plate (4211) is arranged in the shell (41), the guide rib plates (4211) are clamped in the corresponding guide grooves (411), and the key (421) can reciprocate along the axial direction of the key (421) under the constraint of the guide grooves (411).

9. The electronic scale with the external self-generating device according to claim 8, wherein: the self-generating unit (4) is further provided with a limiting part (46), and the limiting part (46) is arranged in the moving direction of the key (421) and used for limiting the stroke of the key (421); the limiting portion (46) is a screw, the screw is arranged at the bottom end of the key (421), the screw is coaxial with the key (421), the head area of the screw is larger than the area of one end, connected with the screw, of the key (421), and the head area of the screw can be clamped at the corresponding position of the shell (41) in the moving process.