CN206177445U

CN206177445U - Multi -functional AW electronic scale

Info

Publication number: CN206177445U
Application number: CN201621203780.0U
Authority: CN
Inventors: 袁振东
Original assignee: Shenzhen Love Electronics Co Ltd
Current assignee: Shenzhen Love Electronics Co Ltd
Priority date: 2016-11-08
Filing date: 2016-11-08
Publication date: 2017-05-17
Anticipated expiration: 2026-11-08

Abstract

The utility model discloses a multi -functional AW electronic scale, including USB wiring mouth, the balance body and lithium cell, the preceding table wall mounting of the balance body has control button, and balance top physically installs bee calling organ and liquid crystal display, bee calling organ is located liquid crystal display's both sides, the balance body passes through weighing sensor with the electronics pan of steelyard and is connected, the supporting leg is installed to the bottom of the balance body, and the inside from the top down of the balance body installs amplification and filtering circuit, digital analog converter, AVR singlechip and data memory in proper order. The utility model discloses, USB wiring mouth is installed to one side through the balance is personally experienced sth. Part of the body, can supply power for the lithium cell through USB wiring mouth to the lithium cell can cycle charging, avoids using the waste of dry battery, also can break away from the constraint of power cord, and the water erosion AW electronic scale can be avoided to the waterproof layer, prevents that corrosive liquids, gas etc. From to weighing sensor's corruption, improving weighing sensor's life greatly.

Description

A kind of multi-functional AW electronic scales

Technical field

This utility model is related to electronic scale equipment technical field, specially a kind of multi-functional AW electronic scales.

Background technology

Electronic scale belongs to the instrument that a kind of lever balance theory of utilization Hooke's law or power of weighing apparatus determines mass of object. Electronic scale is mainly by load bearing system（Such as the scale pan, scale body）, power transmission converting system（Such as lever transmission system, sensor）With indicating value system System（Such as graduated disc, electronic display meter）3 parts constitute.Mechanical scale, electronic scale, electro-mechanic scale three can be divided into by structural principle Big class.Electronic scale is used by more people, and electronic scale is used by more people, and electronic scale is also towards multi-direction, In high precision, networking, intelligentized direction develop.But traditional electronic scale is in use mainly with aneroid battery or electricity Source line is powered, and easily causes the wasting phenomenon of resource.

Utility model content

The purpose of this utility model is to provide a kind of multi-functional AW electronic scales, to solve to propose to pass in above-mentioned background technology The electronic scale of system is mainly powered with aneroid battery or power line in use, easily causes the problem of the waste of resource.

For achieving the above object, this utility model provides following technical scheme：A kind of multi-functional AW electronic scales, including USB Connection jaws, scale body and lithium battery, are provided with the top of control knob, and scale body on the front table wall of the scale body and are provided with buzzer And LCDs, positioned at the both sides of LCDs, the scale body is with the electronics scale pan by LOAD CELLS for the buzzer Connection, the bottom of the scale body is provided with supporting leg, and the inside of scale body is sequentially installed with filtering and amplifying circuit, number from top to bottom Weighted-voltage D/A converter, AVR single chip and data storage, the outfan of the LOAD CELLS and the input electricity of filtering and amplifying circuit Property connection, the outfan of the filtering and amplifying circuit is electrically connected with the input of digital to analog converter, the digital to analog converter The input electric connection of outfan and AVR single chip, the AVR single chip and data storage, buzzer and liquid crystal display Screen is electrically connected with.

Preferably, the USB connection jaws are arranged on the side of scale body.

Preferably, the supporting leg is provided with four altogether, and four supporting legs are separately mounted to the turning of bottom four of scale body Place.

Preferably, the appearance wall of the scale body is provided with waterproof layer.

Preferably, the lithium battery is arranged on the inside of scale body, and lithium battery is located at the side of digital to analog converter.

Compared with prior art, the beneficial effects of the utility model are：This utility model is scientific and reasonable for structure, easy to use Efficiently；Four supporting legs are provided with by the bottom of scale body, make the AW electronic scales shake in use phenomenon, so as to Ensure that the stability of AW electronic scales；By being provided with USB connection jaws in the side of scale body, can be by USB connection jaws to lithium Battery is powered, and lithium battery can be with cycle charging, it is to avoid using the waste of aneroid battery, it is also possible to break away from the constraint of power line, Improve the practicality of AW electronic scales；Weight of object size information can accurately be detected by LOAD CELLS, and will The feedback of the information is easy to observation and the record of user in LCDs, while buzzer can realize that intelligent sound is broadcast The effect put, improves the multifunctionality of AW electronic scales；Waterproof layer is provided with by the appearance wall of scale body, water erosion AW can be avoided Electronic scale, prevents the corrosion to LOAD CELLS such as liquid, gas that is corrosive, and greatly improves the use longevity of LOAD CELLS Life.

Description of the drawings

Fig. 1 is surface structure schematic diagram of the present utility model；

Fig. 2 is internal structure schematic diagram of the present utility model.

Fig. 3 is top view of the present utility model.

In figure：The 1- electronics scales pan；2- buzzers；3- LOAD CELLSs；4- control knobs；5-USB connection jaws；6- is supported Lower limb；7- LCDs；8- scale bodies；9- filtering and amplifying circuits；10- digital to analog converters；11- lithium batteries；12-AVR single-chip microcomputers； 13- data storages.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.

Refer to Fig. 1-3, a kind of embodiment that this utility model is provided：A kind of multi-functional AW electronic scales, including USB wiring Mouth 5, scale body 8 and lithium battery 11, are provided with control knob 4 on the front table wall of scale body 8, and the top of scale body 8 are provided with buzzer 2 With LCDs 7, buzzer 2 is located at the both sides of LCDs 7, and scale body 8 connected by LOAD CELLS 3 with the electronics scale pan 1 Connect, the bottom of scale body 8 is provided with supporting leg 6, and the inside of scale body 8 is sequentially installed with filtering and amplifying circuit 9, digital-to-analogue from top to bottom Transducer 10, AVR single chip 12 and data storage 13, the outfan of LOAD CELLS 3 and the input of filtering and amplifying circuit 9 Be electrically connected with, the outfan of filtering and amplifying circuit 9 is electrically connected with the input of digital to analog converter 10, digital to analog converter 10 it is defeated Go out the input electric connection at end and AVR single chip 12, AVR single chip 12 and data storage 13, buzzer 2 and liquid crystal display Screen 7 is electrically connected with, and USB connection jaws 5 are arranged on the side of scale body 8, and supporting leg 6 is provided with four altogether, and four supporting legs 6 are pacified respectively The corner of bottom four of scale body 8 is mounted in, the appearance wall of scale body 8 is provided with waterproof layer, and lithium battery 11 is arranged on the inside of scale body 8, And lithium battery 11 is located at the side of digital to analog converter 10.

Specifically used mode：During work, control knob 4 is opened, AW electronic scales are started working, and object is placed on the electronics scale pan On 1, produced pressure is applied to LOAD CELLS 3, and the LOAD CELLS 3 occurs elastic deformation, so that impedance occurs to become Change, export the analogue signal of a change, the amplified filter circuit 9 of the signal amplifies output to analog-digital converter 10, is converted into It is easy to the digital signal output for processing to 12 operation control of AVR single chip, by the feedback of the information after process to LCDs 7 On, it is easy to the observation of staff, while USB connection jaws 5 are charged to lithium battery 11, lithium battery 11 can be with multiple Discharge and recharge, so as to extend the use time of AW electronic scales.

It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type is by claims rather than described above is limited, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as restriction Involved claim.

Claims

1. a kind of multi-functional AW electronic scales, including USB connection jaws（5）, scale body（8）And lithium battery（11）, it is characterised in that：It is described Scale body（8）Front table wall on control knob is installed（4）, and scale body（8）Top buzzer is installed（2）And LCDs （7）, the buzzer（2）Positioned at LCDs（7）Both sides, the scale body（8）With the electronics scale pan（1）By weighing and sensing Device（3）Connection, the scale body（8）Bottom supporting leg is installed（6）, and scale body（8）Inside be sequentially installed with from top to bottom Filtering and amplifying circuit（9）, digital to analog converter（10）, AVR single chip（12）And data storage（13）, the LOAD CELLS （3）Outfan and filtering and amplifying circuit（9）Input be electrically connected with, the filtering and amplifying circuit（9）Outfan and number Weighted-voltage D/A converter（10）Input be electrically connected with, the digital to analog converter（10）Outfan and AVR single chip（12）Input End is electrically connected with, the AVR single chip（12）With data storage（13）, buzzer（2）And LCDs（7）Electrically connect Connect.

2. a kind of multi-functional AW electronic scales according to claim 1, it is characterised in that：The USB connection jaws（5）It is arranged on Scale body（8）Side.

3. a kind of multi-functional AW electronic scales according to claim 1, it is characterised in that：The supporting leg（6）Four are provided with altogether It is individual, and four supporting legs（6）It is separately mounted to scale body（8）The corner of bottom four.

4. a kind of multi-functional AW electronic scales according to claim 1, it is characterised in that：The scale body（8）Appearance wall set There is waterproof layer.

5. a kind of multi-functional AW electronic scales according to claim 1, it is characterised in that：The lithium battery（11）Installed in scale Body（8）Inside, and lithium battery（11）Positioned at digital to analog converter（10）Side.