CN204330099U - Electronic scale with function of detecting support condition of scale feet - Google Patents
Electronic scale with function of detecting support condition of scale feet Download PDFInfo
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- CN204330099U CN204330099U CN201420830272.XU CN201420830272U CN204330099U CN 204330099 U CN204330099 U CN 204330099U CN 201420830272 U CN201420830272 U CN 201420830272U CN 204330099 U CN204330099 U CN 204330099U
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- electronic scales
- sensor
- scale
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- detection function
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- 238000001514 detection method Methods 0.000 claims abstract description 23
- 238000005303 weighing Methods 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 230000037396 body weight Effects 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 210000002683 foot Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
The utility model discloses an electronic scale with balance foot supports situation and detects function, including a plurality of sensors that are used for detecting weight, still include in addition: a processing unit for calculating the weight value detected by each sensor according to the detection signal from the sensor; a comparison unit comparing the weight values detected by the sensors calculated by the processing unit with each other to determine whether a difference therebetween exceeds a first predetermined threshold; and an alarm unit for giving an alarm in response to a difference between the weight values detected by the sensors exceeding a first predetermined threshold. According to the utility model discloses electronic scale with balance foot supports situation and detects function can judge automatically whether the electronic scale is in the horizontality, perhaps whether has the foreign matter at the bottom of the balance to can in time remind the position of placing of user adjustment electronic scale when the abnormal conditions appears in the balance foot support, ensure the accuracy of weighing.
Description
Technical field
The utility model relates to a kind of weighing utensil, particularly relates to a kind of electronic scales with scale pin support condition detection function.
Background technology
Electronic scales, such as Electronic Scales for Human Beings and electronics kitchen, use four pressure transducers to detect usually.It mainly detects the pressure in four bights, then pressure is converted to voltage signal carrys out calculated weight value.But, electronic scales in use often can move position, when four pressure transducers are not on a surface level, or there are foreign material when the bottom of electronic scales is pushed up at the bottom of scale, several pressure transducer unbalance stress will be caused, thus cause there is deviation when the voltage signal that converts and four pin uniform stresseds, the gravimetric value finally calculated is forbidden, affects the use of user.
In order to solve the problem, some electronic scales detects scale body whether level by horizon detector.But this method not only increases the cost of product, and normally mechanical due to it, need to carry out determined level detector whether level by human eye, detect not only inaccurate, and use very inconvenient.The more important thing is, this detection mode can not be determined, in weighing process, scale body to load after the weight weighed, and whether the true stressing conditions of scale pin is even.
Therefore, need a kind of electronic scales that scale pin supports situation of can automatically determining, to guarantee the accuracy weighed.
Summary of the invention
The purpose of this utility model is the defect existed to overcome prior art, provides a kind of and has the electronic scales that scale pin supports condition detection function.In order to realize this purpose, technical solution adopted in the utility model is as follows.
According to the utility model embodiment, there is provided a kind of and there is the electronic scales that scale pin supports condition detection function, comprise the multiple sensors for sense weight, in addition, also comprise: processing unit, time unloaded according to electronic scales, calculate from the detection signal of described sensor the weight amount that each sensor detects; Comparing unit, the weight amount that each sensor calculated described processing unit detects compares mutually, to determine that whether difference is to each other more than the first predetermined threshold; And alarm unit, report to the police more than the first predetermined threshold in response to the difference between the weight amount that described sensor detects.
According in another embodiment, be alternatively, described have the electronic scales that scale pin supports condition detection function and also comprise multiple analog to digital converter, is connected respectively to be supplied to described processing unit with described sensor after the signal from described sensor is converted to digital signal.
According in another embodiment, alternatively, the difference between the weight amount that each sensor that when described processing unit is configured to load in response to electronic scales, described comparing unit is determined detects weighs more than stopping during the second predetermined threshold.
According in other embodiment, alternatively, described processing unit is also configured to impel described alarm unit to report to the police while termination weighs.
According in another embodiment, alternatively, described alarm unit comprises display.
According in another embodiment again, alternatively, described alarm unit comprises audio output device.
According in another embodiment again, alternatively, described alarm unit comprises light-emitting device.
According to the electronic scales with scale pin support condition detection function of the utility model embodiment, whether can be in horizontality by automatic decision electronic scales, or whether there is foreign matter at the bottom of scale, and the placement location of electronic scales can be adjusted by timely reminding user when abnormal conditions appear in the support of scale pin, to guarantee the accuracy weighed.
Be specifically described the utility model by embodiment below in conjunction with accompanying drawing, wherein identical or substantially identical parts adopt identical Reference numeral instruction.
Accompanying drawing explanation
Fig. 1 is the schematic block diagram with the interlock circuit part in the electronic scales of scale pin support condition detection function according to the utility model embodiment.
Embodiment
Ordinary electronic scale generally comprises four sensors, respectively includes foil gauge.These four sensors are connected between two and then form a full-bridge circuit, and a final output voltage signal, by calculating corresponding gravimetric value.But, according to the technical solution of the utility model, need the detection data gathering each sensing., the full-bridge circuit be made up of can be split in ordinary electronic scale sensor, to gather the detection data of each sensor respectively, when weighing in this case, the gravimetric value sum that each sensor detects equals the weight waiting to weigh article for this reason.In addition, also the technical solution of the utility model can be attached in the circuit structure of ordinary electronic scale, namely on former full-bridge circuit, increase the circuit of the detection data of collecting each sensor respectively, add other hardware, software and/or firmware etc. and realize the utility model.
As shown in Figure 1, it is the schematic block diagram with the interlock circuit part in the electronic scales of scale pin support condition detection function according to the utility model embodiment, comprise the multiple sensors 100 for sense weight, wherein the quantity of sensor 100 can be arranged according to actual needs, but be generally preferably four, in addition, processing unit 104, comparing unit 106 and alarm unit 108 is also comprised; In addition, in other embodiments, according to the situation of described sensor 100 with the interface of described processing unit 104, also comprise multiple analog to digital converter 102 alternatively, its quantity is consistent with the quantity of sensor 100, is connected respectively to be supplied to described processing unit 104 with described sensor after the signal from described sensor is converted to digital signal.
The processing unit that wherein processing unit 104 can be used with electronic scales is integrated into parts, certainly, also can be independently parts in other embodiments, include but not limited to MCU, DSP, CPU, PLC etc., it is according to the weight amount calculating each sensor from the detection signal of described sensor 100 respectively and detect.
The weight amount that when comparing unit 106 is unloaded for the electronic scales that calculates described processing unit 104, each sensor detects compares mutually, to determine that whether difference is to each other more than the first predetermined threshold.If electronic scales has structurally distributed symmetrically, be less than M for the error between sensor, the deviation of computation and measurement result also should be less than M.When scale body is out-of-level or have foreign matter top then at the bottom of scale, scale body weight can be caused to be distributed to the power at four angles unequal, if one of them pin is unsettled, because unsettled pin does not stress, final scale body weight can be distributed to other three pin.By the gravimetric value that the sensor contrasting these four foots calculated detects, if deviation is greater than M, illustrate that scale body is out-of-level or have at the bottom of foreign matter top to scale.Wherein M is usually about 0.5%, therefore, generally the first predetermined threshold can be set to about 0.5%, certainly, according to the demand to sensitivity, can increase or reduce this numerical value.In addition, in the middle of the practical application of electronic scales, in order to the distribution bias of the outward appearance or components and parts own that ensure product, scale body weight can be caused not to be full symmetric and to be evenly distributed.For this situation, the mode of calibration can being adopted calculate the initial value of four (or other quantity) force acting on transducer deviations, when carrying out above-mentioned comparison, deducting the initial value of deviation between sensor.
Alarm unit 108 is reported to the police more than the first predetermined threshold for the difference between the weight amount that detects in response to described sensor.Namely judging that electronic scales is not be in horizontality, or when there is foreign matter at the bottom of scale, timely reminding user adjusts.Wherein in one embodiment, remind by showing predetermined image over the display, the display that this display can use with ordinary electronic scale is integrated into parts; In another embodiment, by audio output device, such as loudspeaker or hummer, utilize sound to remind; In yet another embodiment, by light-emitting device, such as pilot lamp, utilizes flash of light to remind.Certainly, in other embodiments, also can adopt multiple type of alarm simultaneously.
In addition, in order to prevent when using electronic scales, article to be weighed are placed too depart from scale pan centre, thus the accuracy that impact weighs, in other embodiments, described processing unit 104 can also be configured to difference between weight amount that when electronic scales determined in response to described comparing unit 106 loads, each sensor detects more than the second predetermined threshold, and stop to weigh, also impel described alarm unit to carry out reporting to the police and wait to weigh the placement location of article with reminding user adjustment simultaneously.Wherein the second predetermined threshold can be set as wherein two sensors measurement numerical value each other deviation be no more than certain proportion, such as, numerical value etc. between 10% to 50%.
By specific embodiment, the utility model is illustrated above, but the utility model is not limited to these specific embodiments.It will be understood by those skilled in the art that and can also make various amendment, equivalent replacement, change etc. to the utility model.But, as long as these conversion do not deviate from spirit of the present utility model, all should within protection domain of the present utility model.In addition, some terms that present specification and claims use, such as " first ", " second " etc. are not restriction, are only used to be convenient to describe.In addition, " embodiment ", " another embodiment " etc. described in above many places represent different embodiments, can certainly by its all or part of combination in one embodiment.
Claims (7)
1. there is the electronic scales that scale pin supports condition detection function, comprise the multiple sensors for sense weight, it is characterized in that, also comprise:
Processing unit, calculates from the detection signal of described sensor the weight amount that each sensor detects time unloaded according to electronic scales;
Comparing unit, the weight amount that each sensor calculated described processing unit detects compares mutually, to determine that whether difference is to each other more than the first predetermined threshold; And
Alarm unit, reports to the police more than the first predetermined threshold in response to the difference between the weight amount that described sensor detects.
2. there is electronic scales that scale pin supports condition detection function as claimed in claim 1, it is characterized in that, also comprise:
Multiple analog to digital converter, be connected with described sensor is respectively supplied to described processing unit after the signal from described sensor is converted to digital signal.
3. there is electronic scales that scale pin supports condition detection function as claimed in claim 1, it is characterized in that: the difference between the weight amount that each sensor that when described processing unit is configured to load in response to electronic scales, described comparing unit is determined detects weighs more than stopping during the second predetermined threshold.
4. there is electronic scales that scale pin supports condition detection function as claimed in claim 3, it is characterized in that: described processing unit is also configured to impel described alarm unit to report to the police while termination weighs.
5. the electronic scales with scale pin support condition detection function according to any one of Claims 1-4, is characterized in that: described alarm unit comprises display.
6. the electronic scales with scale pin support condition detection function according to any one of Claims 1-4, is characterized in that: described alarm unit comprises audio output device.
7. the electronic scales with scale pin support condition detection function according to any one of Claims 1-4, is characterized in that: described alarm unit comprises light-emitting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420830272.XU CN204330099U (en) | 2014-12-25 | 2014-12-25 | Electronic scale with function of detecting support condition of scale feet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420830272.XU CN204330099U (en) | 2014-12-25 | 2014-12-25 | Electronic scale with function of detecting support condition of scale feet |
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| Publication Number | Publication Date |
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| CN204330099U true CN204330099U (en) | 2015-05-13 |
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| CN201420830272.XU Expired - Fee Related CN204330099U (en) | 2014-12-25 | 2014-12-25 | Electronic scale with function of detecting support condition of scale feet |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444860A (en) * | 2015-11-21 | 2016-03-30 | 马俊 | Four channel measurement electronic scale and measurement method |
| CN106352972A (en) * | 2016-08-30 | 2017-01-25 | 成都九洲电子信息系统股份有限公司 | Method for automatically adjusting horizontal position of electronic scale |
| CN106595831A (en) * | 2017-01-04 | 2017-04-26 | 缤刻普锐(北京)科技有限责任公司 | Anti-load-bias weighing method and electronic weighing device |
| CN108627229A (en) * | 2018-04-16 | 2018-10-09 | 四川斐讯信息技术有限公司 | A kind of method and electronic scale for improving electronic scale and measuring accuracy rate |
| CN109932890A (en) * | 2019-03-12 | 2019-06-25 | 中铝瑞闽股份有限公司 | A kind of the sensor redundancy control system and its control method of movable equipment |
| CN114076632A (en) * | 2021-10-28 | 2022-02-22 | 杭州鸿泉物联网技术股份有限公司 | Vehicle load measuring system and method |
-
2014
- 2014-12-25 CN CN201420830272.XU patent/CN204330099U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444860A (en) * | 2015-11-21 | 2016-03-30 | 马俊 | Four channel measurement electronic scale and measurement method |
| CN105444860B (en) * | 2015-11-21 | 2018-04-24 | 马俊 | A kind of measuring method of four-way electronic scale |
| CN106352972A (en) * | 2016-08-30 | 2017-01-25 | 成都九洲电子信息系统股份有限公司 | Method for automatically adjusting horizontal position of electronic scale |
| CN106595831A (en) * | 2017-01-04 | 2017-04-26 | 缤刻普锐(北京)科技有限责任公司 | Anti-load-bias weighing method and electronic weighing device |
| CN108627229A (en) * | 2018-04-16 | 2018-10-09 | 四川斐讯信息技术有限公司 | A kind of method and electronic scale for improving electronic scale and measuring accuracy rate |
| CN109932890A (en) * | 2019-03-12 | 2019-06-25 | 中铝瑞闽股份有限公司 | A kind of the sensor redundancy control system and its control method of movable equipment |
| CN109932890B (en) * | 2019-03-12 | 2022-03-04 | 中铝瑞闽股份有限公司 | Sensor redundancy control system of movable equipment and control method thereof |
| CN114076632A (en) * | 2021-10-28 | 2022-02-22 | 杭州鸿泉物联网技术股份有限公司 | Vehicle load measuring system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160331 Address after: 528441 Guangdong city of Zhongshan Province Town Village Title Jin An Lu No. 23 A District Patentee after: ZHONGSHAN TRANSTEK ELECTRONICS CO.,LTD. Address before: 528400 A District, Guangdong City, Zhongshan Torch Development Zone East Road, No. 105 Patentee before: GUANGDONG TRANSTEK MEDICAL ELECTRONICS Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 |