WO2019085046A1

WO2019085046A1 - Electronic scales capable of preventing overload

Info

Publication number: WO2019085046A1
Application number: PCT/CN2017/111982
Authority: WO
Inventors: 陈平
Original assignee: Jiangyin Suofei Electronic Techonlogy Co Ltd
Current assignee: Jiangyin Suofei Electronic Techonlogy Co Ltd
Priority date: 2017-11-02
Filing date: 2017-11-21
Publication date: 2019-05-09
Anticipated expiration: 2020-05-02
Also published as: CN107796506A

Abstract

Provided is a set of electronic scales capable of preventing overload, comprising an electronic scales body (1), wherein multiple supporting legs (2) are uniformly arranged below the electronic scales body (1); a weighing flat plate (3) is arranged on the electronic scales body (1); the electronic scales body (1) comprises a main shell (4); and the left side and the right side of the main shell (4) are respectively provided with a lamp (5) and a loudspeaker (6). When weighed articles are overloaded, the lamp (4) turns on and the loudspeaker (6) produces a sound to warn people of overloading, and since supporting columns (7) cannot continuously descend to apply pressure to a pressure spring (8) and an electronic pressure plate (9), the pressure spring (8) and the electronic pressure plate (9) are protected, and damage to the electronic scales is prevented.

Description

Electronic scale capable of preventing overload

Technical field

本发明涉及电子秤技术领域，具体的说涉及一种可防止过载的电子秤。The invention relates to the technical field of electronic scales, in particular to an electronic scale capable of preventing overload.

Background technique

电子秤是一种常用的衡器，广泛用于称量物品重量。电子秤的称量范围很多，不同电子秤差别很大，有的时候人们在称量物品的时候可能忽视了电子秤的称量范围，将过重的物品放在小量程的电子秤上称重，其结果是既无法称出物品重量，对电子秤也会造成一定的损伤，因此设计一种可防止过载的电子秤成为本行业技术人员的研究方向。Electronic scales are a commonly used scale that is widely used to weigh the weight of items. There are many weighing ranges for electronic scales. Different electronic scales are very different. Sometimes people may ignore the weighing range of electronic scales when weighing items, and weigh heavy items on small scale electronic scales. As a result, it is impossible to weigh the weight of the article, and it also causes certain damage to the electronic scale. Therefore, designing an electronic scale that can prevent overload becomes a research direction of the technical personnel in the industry.

发明内容Summary of the invention

本发明为了克服上述的不足，提供了一种可防止过载的电子秤，包括电子秤主体，电子秤主体下方均匀设有若干支脚，电子秤主体上方设有称量平板，电子秤主体包括主壳体，主壳体的左右两侧分别设有灯和扬声器，主壳体上表面上对称设有两个孔，主壳体内部对应两个孔设有两只支撑柱，所述支撑柱为绝缘结构，支撑柱的上端穿过孔连接称量平板，支撑柱的下端连接压力弹簧，压力弹簧下设有电子压力板，电子压力板设置在主壳体内部底面上，压力弹簧外套设有限位套筒，限位套筒固定在主壳体内部底面上，主壳体内部底面上还设有两组蓄电池；In order to overcome the above-mentioned deficiencies, the present invention provides an electronic scale capable of preventing overload, comprising an electronic scale main body, a plurality of legs are evenly disposed under the main body of the electronic scale, a weighing plate is arranged above the main body of the electronic scale, and the main body of the electronic scale includes a main shell The body and the left and right sides of the main casing are respectively provided with a lamp and a speaker, and two holes are symmetrically arranged on the upper surface of the main casing, and two supporting columns are arranged corresponding to the two holes in the main casing, and the supporting column is insulated Structure, the upper end of the support column is connected to the weighing plate through the hole, the lower end of the support column is connected with the pressure spring, the pressure spring is provided with an electronic pressure plate, the electronic pressure plate is arranged on the inner bottom surface of the main casing, and the pressure spring jacket is provided with a limit sleeve a tube, the limiting sleeve is fixed on the inner bottom surface of the main casing, and two sets of batteries are further disposed on the inner bottom surface of the main casing;

其中左侧的支撑柱上套设有环形导电板a，环形导电板a下方设有两根导电柱a，两根导电柱a分别位于该支撑柱的两侧，所述环形导电板a、灯、其中一组蓄电池和两根导电柱a组成闭合电路；An annular conductive plate a is disposed on the supporting column on the left side, and two conductive columns a are disposed under the annular conductive plate a. Two conductive columns a are respectively located on two sides of the supporting column, and the annular conductive plate a and the lamp a set of batteries and two conductive columns a constitute a closed circuit;

右侧的支撑柱上套设有环形导电板b，环形导电板b下方设有两根导电柱b，两根导电柱b分别位于该支撑柱的两侧，所述环形导电板b、扬声器、另一组蓄电池和两根导电柱b组成闭合电路。An annular conductive plate b is sleeved on the support column on the right side, and two conductive columns b are disposed under the annular conductive plate b. Two conductive pillars b are respectively located on both sides of the support pillar, and the annular conductive plate b, the speaker, the other battery and the two conductive pillars b constitute a closed circuit.

优选的，所述支撑杆的上端设有环形垫板，环形垫板和称量平板连接。Preferably, the upper end of the support rod is provided with an annular pad, and the annular pad is connected with the weighing plate.

优选的，所述环形垫板的直径不小于支撑柱直径的2倍。Preferably, the annular pad has a diameter not less than twice the diameter of the support column.

优选的，所述导电柱a和导电柱b外均包覆绝缘层。Preferably, the conductive pillar a and the conductive pillar b are both covered with an insulating layer.

本发明工作原理是：根据电子秤的量程确定导电柱的高度和环形导电板的设置位置，正常情况下，导电柱a和环形导电板a分开，导电柱b和环形导电板b分开，此时，灯和扬声器的电路均断开，当过重的物品放置在称量平板上时，两支撑柱下降至使环形导电板a压在导电柱a上，环形导电板b压在导电柱b上，此时，两支撑柱均无法再下降，灯的电路闭合，灯亮，扬声器的电路闭合，扬声器发出声音。The working principle of the invention is: determining the height of the conductive column and the setting position of the annular conductive plate according to the range of the electronic scale. Under normal circumstances, the conductive column a and the annular conductive plate a are separated, and the conductive column b and the annular conductive plate b are separated. The circuit of the lamp and the speaker are disconnected. When the overweight item is placed on the weighing plate, the two support columns are lowered to press the annular conductive plate a against the conductive post a, and the annular conductive plate b is pressed against the conductive post b. At this time, the two support columns can no longer fall, the circuit of the lamp is closed, the light is on, the circuit of the speaker is closed, and the speaker emits a sound.

本发明的有益效果是：本发明设计新颖，结构简单，当称量物品过载时，既有灯亮和扬声器发声提醒人们已过载，同时由于支撑柱无法继续下降对压力弹簧和电子压力板施压，保护了压力弹簧和电子压力板，防止对电子秤造成损害。The invention has the advantages that the design is novel and the structure is simple. When the weighing object is overloaded, the lamp is bright and the speaker sounds to remind people that the overload has occurred, and at the same time, the pressure spring and the electronic pressure plate are pressed due to the support column cannot continue to fall. The pressure spring and the electronic pressure plate are protected from damage to the electronic scale.

DRAWINGS

本发明将通过例子并参照附图的方式说明，其中：The invention will be illustrated by way of example and with reference to the accompanying drawings in which:

图1是本发明的结构示意图。Figure 1 is a schematic view of the structure of the present invention.

Detailed ways

现在结合附图对本发明作进一步详细的说明。这些附图均为简化的示意图，仅以示意方式说明本发明的基本结构，因此其仅显示与本发明有关的构成。The invention will now be described in further detail with reference to the drawings. The drawings are simplified schematic diagrams, and only the basic structure of the present invention is illustrated in a schematic manner, and thus only the configurations related to the present invention are shown.

如图1所示，本发明为一种可防止过载的电子秤，包括电子秤主体1，电子秤主体1下方均匀设有若干支脚2，电子秤主体1上方设有称量平板3，电子秤主体1包括主壳体4，主壳体4的左右两侧分别设有灯5和扬声器6，主壳体4上表面上对称设有两个孔，主壳体4内部对应两个孔设有两只支撑柱7，所述支撑柱7为绝缘结构，支撑柱7的上端穿过孔连接称量平板3，支撑柱7的下端连接压力弹簧8，压力弹簧8下设有电子压力板9，电子压力板9设置在主壳体4内部底面上，压力弹簧8外套设有限位套筒10，限位套筒10固定在主壳体4内部底面上，主壳体4内部底面上还设有两组蓄电池11；As shown in FIG. 1 , the invention is an electronic scale capable of preventing overload, comprising an electronic scale main body 1 , a plurality of legs 2 are evenly arranged under the electronic scale main body 1 , and a weighing plate 3 is arranged above the electronic scale main body 1 , and the electronic scale The main body 1 includes a main housing 4, and the left and right sides of the main housing 4 are respectively provided with a lamp 5 and a speaker 6. The main housing 4 has two holes symmetrically disposed on the upper surface thereof, and the main housing 4 has two holes corresponding to the inside. The support column 7 is an insulating structure, and the upper end of the support column 7 is connected to the weighing plate 3 through the hole. The lower end of the support column 7 is connected with the pressure spring 8, and the pressure spring 8 is provided with an electronic pressure plate 9. The electronic pressure plate 9 is disposed on the inner bottom surface of the main casing 4, and the pressure spring 8 is provided with a limiting sleeve 10, and the limiting sleeve 10 is fixed on the inner bottom surface of the main casing 4, and the inner bottom surface of the main casing 4 is further provided. Two sets of batteries 11;

其中左侧的支撑柱7上套设有环形导电板a12，环形导电板a12下方设有两根导电柱a13，两根导电柱a13分别位于该支撑柱7的两侧，所述环形导电板a12、灯5、其中一组蓄电池11和两根导电柱a13组成闭合电路；An annular conductive plate a12 is disposed on the supporting column 7 on the left side, and two conductive columns a13 are disposed under the annular conductive plate a12. Two conductive columns a13 are respectively located on two sides of the supporting column 7, and the annular conductive plate a12 , the lamp 5, one set of the battery 11 and the two conductive columns a13 constitute a closed circuit;

右侧的支撑柱7上套设有环形导电板b14，环形导电板b14下方设有两根导电柱b15，两根导电柱b15分别位于该支撑柱7的两侧，所述环形导电板b14、扬声器6、另一组蓄电池11和两根导电柱b15组成闭合电路。An annular conductive plate b14 is disposed on the support pillar 7 on the right side, and two conductive pillars b15 are disposed under the annular conductive plate b14. The two conductive pillars b15 are respectively located at two sides of the support pillar 7, and the annular conductive plate b14, The speaker 6, another set of batteries 11 and two conductive posts b15 constitute a closed circuit.

所述支撑柱7的上端设有环形垫板16，环形垫板16和称量平板3连接。The upper end of the support column 7 is provided with an annular pad 16 which is connected to the weighing plate 3.

所述环形垫板16的直径不小于支撑柱7直径的2倍。The diameter of the annular pad 16 is not less than twice the diameter of the support column 7.

所述导电柱a13和导电柱b15外均包覆绝缘层。The conductive pillar a13 and the conductive pillar b15 are both covered with an insulating layer.

本发明设计新颖，结构简单，当称量物品过载时，既有灯亮和扬声器发声提醒人们已过载，同时由于支撑柱无法继续下降对压力弹簧和电子压力板施压，保护了压力弹簧和电子压力板，防止对电子秤造成损害。The invention has novel design and simple structure. When the weighing object is overloaded, the lamp is bright and the speaker sounds to remind people that the overload has occurred, and at the same time, the support column cannot continue to drop to the pressure spring and the electronic pressure plate. The pressure protects the pressure spring and the electronic pressure plate from damage to the electronic scale.

上述依据本发明为启示，通过上述的说明内容，相关工作人员完全可以在不偏离本项发明技术思想的范围内，进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容，必须要根据权利要求范围来确定其技术性范围。 The above description is based on the present invention, and various changes and modifications can be made by those skilled in the art without departing from the scope of the present invention. The technical scope of the present invention is not limited to the contents of the specification, and the technical scope thereof must be determined according to the scope of the claims.

Claims

The utility model relates to an electronic scale capable of preventing overload, which comprises: an electronic scale main body, a plurality of legs are evenly arranged under the main body of the electronic scale, a weighing plate is arranged above the main body of the electronic scale, and the main body of the electronic scale comprises a main casing and a main casing The left and right sides are respectively provided with a lamp and a speaker, and two holes are symmetrically arranged on the upper surface of the main casing, and two support holes are arranged corresponding to the two holes in the main casing, the support column is an insulating structure, and the upper end of the support column The weighing plate is connected through the hole, the lower end of the supporting column is connected with the pressure spring, the pressure spring is provided with an electronic pressure plate, the electronic pressure plate is arranged on the inner bottom surface of the main casing, and the pressure spring casing is provided with a limiting sleeve and a limiting sleeve. Fixed on the inner bottom surface of the main casing, and two sets of batteries are further disposed on the inner bottom surface of the main casing;

An annular conductive plate a is disposed on the supporting column on the left side, and two conductive columns a are disposed under the annular conductive plate a. Two conductive columns a are respectively located on two sides of the supporting column, and the annular conductive plate a and the lamp a set of batteries and two conductive columns a constitute a closed circuit;

An annular conductive plate b is disposed on the supporting column on the right side, and two conductive columns b are disposed under the annular conductive plate b. Two conductive columns b are respectively located on two sides of the supporting column, the annular conductive plate b, the speaker, Another set of batteries and two conductive posts b form a closed circuit.

The electronic scale capable of preventing overload according to claim 1, wherein the upper end of the support rod is provided with an annular pad, and the annular pad is connected with the weighing plate.

The electronic scale capable of preventing overload according to claim 2, wherein the annular pad has a diameter not less than twice the diameter of the support column.

The electronic scale capable of preventing overload according to claim 1, wherein the conductive post a and the conductive post b are both covered with an insulating layer.