CN205262596U - Exempt from electronic scale of calibration technology function behind height above sea level altitude variation - Google Patents
Exempt from electronic scale of calibration technology function behind height above sea level altitude variation Download PDFInfo
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- CN205262596U CN205262596U CN201521066074.1U CN201521066074U CN205262596U CN 205262596 U CN205262596 U CN 205262596U CN 201521066074 U CN201521066074 U CN 201521066074U CN 205262596 U CN205262596 U CN 205262596U
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Abstract
The utility model discloses an exempt from electronic scale of calibration technology function behind height above sea level altitude variation, the functional module of elevation information can be acquireed in the integration, converts the elevation into gather a little acceleration of gravity through the software algorithm, carries out obtaining after the comparison correction actual weight value of this position point object again with the acceleration of gravity of timing signal. The utility model is suitable for an acquire and take notes the applied position and the orbit of this electronic scale to and provide the scene that different information supported and served according to geographical position, if because the advertisement in geographical position and scenes such as service propelling movement, sale route planning, attendance record are favorable to improving information -based integrated level.
Description
Technical field
The utility model belongs to metering recognition technology field, is specifically related to the electricity of the rear non-calibrating technical functionality of a kind of height above sea level variationThe design of sub-scale.
Background technology
Electronic scale is a kind of electronic scale, utilizes the lever balance theory of Hooke's law or power to measure mass of object, is used for weighingValuation field.
Electronic scale is mainly by load bearing system (as the scale pan, scale body), power transmission converting system (as lever transmission system, sensor)With indicating value system (as dial, electronic display meter) 3 part compositions. In the time that object is placed on the scale pan, pressure is applied to sensingDevice, this sensor generation deformation, thus impedance is changed, use driving voltage to change simultaneously, export a variationAnalog signal. This signal amplifies and outputs to analog-digital converter through amplifying circuit. Converting the data signal of being convenient to process to outputs toCPU s operation control. CPU outputs to display according to keyboard commands and program by this result, until show this result.
Electronic scale is to adopt Modern Sensor Technology, electronic technology and the integrated electronic weighting equipment of computer technology, meets alsoSolve " fast, accurately, continuously, automatically " that in actual life, propose and weigh requirement, effectively eliminate human error simultaneously,Make it more to meet the application requirements of legal system management through quantification and industrial processes control.
Electronic scale needs to demarcate in the time dispatching from the factory, and has arrived client while using location, because the variation of height above sea level can cause gravityThe variation of acceleration, and then can cause weighing results to have error, need to again demarcate it, that is to say that electronic scale needs onlyAfter altitude change, just to re-start gauging calibration.
Utility model content
The purpose of this utility model is just need to re-start metering in order to solve in prior art electronic scale after as long as altitude changeThe problem of demarcating, has proposed a kind of height above sea level and has changed the electronic scale of non-calibrating technical functionality afterwards.
The technical solution of the utility model is: the electronic scale of non-calibrating technical functionality after a kind of height above sea level changes, comprises the control of weighingMolding piece, power module and height above sea level measurement module; Power module respectively with Weighing control module and height above sea level measurement modePiece is connected, and Weighing control module is connected with height above sea level measurement module.
Preferably, Weighing control module comprises weighing unit, display unit and key control unit; Key control unit respectively withWeighing unit, display unit are connected, and key control unit is connected with height above sea level measurement module.
Preferably, power module adopts ASM1117 chip to realize.
Preferably, height above sea level measurement module adopts SiRFstarIIIGSC3f chip to realize.
Preferably, weighing unit adopts HX710 chip to realize.
Preferably, key control unit adopts LPC1768 chip to realize.
Preferably, display unit adopts CS5817 chip to realize.
The beneficial effects of the utility model are: the utility model, by integrated high-performance height above sea level measurement module, has volumeSmall and exquisite, read distant, highly sensitive, fault-tolerance strong, identify characteristic accurately. And the utility model can be applied toAs the advertisement based on geographical position and service push, sell the scenes such as route planning, attendance record, be conducive to improve information-based collectionCheng Du.
Brief description of the drawings
The electronic balance structure block diagram of non-calibrating technical functionality after a kind of height above sea level that Fig. 1 provides for the utility model changes.
The power module circuitry schematic diagram that Fig. 2 provides for the utility model embodiment.
The Weighing control modular structure block diagram that Fig. 3 provides for the utility model embodiment.
The weighing unit circuit diagram that Fig. 4 provides for the utility model embodiment.
The key control unit circuit diagram that Fig. 5 provides for the utility model embodiment.
The display unit circuit schematic diagram that Fig. 6 provides for the utility model embodiment.
The height above sea level measurement module circuit diagram that Fig. 7 provides for the utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
After the utility model provides a kind of height above sea level to change, the electronic scale of non-calibrating technical functionality, as shown in Figure 1, comprises titleHeavy control module, power module and height above sea level measurement module; Power module is surveyed with Weighing control module and height above sea level respectivelyAmount module is connected, and Weighing control module is connected with height above sea level measurement module.
Power module provides operating voltage for Weighing control module and height above sea level measurement module, can normally work. As Fig. 2Shown in, in the utility model embodiment, the chip U3 in power module is LDO power supply chip ASM1117, it belongs to low pressurePoor (LDO) linear voltage stabilization chip, LDO linear voltage stabilization chip cost is low, and noise is low, and quiescent current is little. It needs simultaneouslyOutward element is also little, conventionally only needs one or two shunt capacitance, has so just greatly simplified the peripheral circuit of chip. AddThe utility model adopts single supply design, and the volume of whole design just has further obtained dwindling. 1 pin of U3 is chip earth terminal,External GND, in figure, 5V voltage inputs to 3 pin of U3 simultaneously through C25, C26 filtering. 4 pin of U3 are Voltage-outputPin, through exporting 3.3V voltage after C23, C24 filtering. The operating voltage of each subelement in this module is 3.3V.
Weighing control module is for collection and measure weight, the each module of integrated management, and data are processed and displayed. As figureShown in 3, Weighing control module comprises weighing unit, display unit and key control unit; Key control unit respectively with weighUnit, display unit are connected, and key control unit is connected with height above sea level measurement module. Weighing unit is used for measuring tested articleGross weight, display unit is that the content that the needs such as weight information and pricing information are shown shows; Key control unit is comprehensiveManagement unit, and carry out communication between weighing unit, display unit and height above sea level measurement module, to data placeReason and transmission. When work, weighing unit collection and measurement weight information, and weight is passed to key control unit, core controlUnit process with associated after, issue display module, weigh information and valuation information of object is shown.
Below the unit of the control module of weighing is elaborated:
As shown in Figure 4, in the utility model embodiment, the chip U2 of weighing unit adopts HX710 chip, and 1 pin of U2 connects3.3V voltage is as with reference to voltage, and 7 pin and 8 pin of U2 pass through respectively C9, and C10 filtering connects 3.3V voltage, 3 pin and 4 pinAccess respectively analog signal anode and the negative terminal of sensor. 5 pin are clock signal SCL, and 6 pin are data-signal SDO, by 5Pin is connected with key control unit with 6 pin, transmission weight data.
The effect of key control unit is receive the weight information of weighing unit and process the information such as commodity and price in associationAfter, preserve, or offer display unit and show. In the utility model embodiment, the CPU of key control unitThat chip U5 selects is the LPC1768 of NXP company, and as shown in Figure 5, LPC1768 is the processor of ARM framework, mainFrequently up to 100Mhz.
As shown in Figure 6, in the utility model embodiment, the chip U23 in display unit adopts CS5817 chip, is to showThe chief component of subelement, it is a digital pipe driving chip, for the demonstration of charactron. 25 pin connect 3.3V electricityPress the power supply to chip U23,11 pin ground connection, the SCL clock signal that 9 pin are I2C, the SDA data-signal that 10 pin are I2C,Be connected with core control submodule with 10 pin by 9 pin, receive idsplay order. All the other pins are charactron control pin,Control the demonstration of each charactron.
Height above sea level measurement module is used for obtaining positional information and height above sea level information, determines geographical position and the height above sea level of current deviceHighly, and height above sea level information is converted into local acceleration of gravity, revises with the on-site acceleration of gravity of timing signal and drawThe information of weighing of object, also can obtain the on-site positional information of electronic scale, passes by the electronic scale of each diverse geographic locationThe information of sending back, the sales situation that obtains diverse geographic location gathers, thereby carries out next step sale according to this summary informationPlan.
As shown in Figure 7, in the utility model embodiment, the chip of height above sea level measurement module specifically adopts SiRFstarIIIGSC3f chip is realized. SiRFstarIIIGSC3f chip is the GPS chip that CSR company goes out, and this chip is by adopting 20The correlator of ten thousand times/frequency has improved sensitivity, and the time of cold boot/warm start/heat start reaches respectively 42s/38s/8s, Ke YitongTime follow the trail of 20 satellite channels.
The utility model is compared with other similar electronic scale of the prior art, adopts modular organization, except the valuation of can weighingIn addition, also possess height above sea level measurement module, support to obtain geography information; By height above sea level measurement module, finishing equipment positionPut obtaining of information and height above sea level information, make electronic scale can automatically revise acceleration of gravity and remove the loaded down with trivial details of artificial demarcation from,The heavy scale of a table scale just of this electronic scale, is also the scale that can measure height above sea level and acceleration of gravity, be also one canTo obtain the scale of positional information, this makes its application can be more diversified. Such as, can open electronic scale and measure height above sea levelDegree and acceleration of gravity, can, in the sale route project based on geographical position, will sell by electronic scale of the present utility modelInformation combines with geographical location information, can obtain easily sales data and sale locations information, makes each positionSales situation is clear, and can carry out work attendance to each sale locations personnel that fix a point.
Those of ordinary skill in the art will appreciate that, embodiment described here is in order to help reader understanding's the utility modelPrinciple, should be understood to that protection domain of the present utility model is not limited to such special statement and embodiment. This areaThose of ordinary skill can be made various its of the utility model essence of not departing from according to disclosed these technology enlightenment of the utility modelIts various concrete distortion and combination, these distortion and combination are still in protection domain of the present utility model.
Claims (7)
- Height above sea level change after the electronic scale of non-calibrating technical functionality, it is characterized in that, comprise Weighing control module,Power module and height above sea level measurement module; Described power module respectively with Weighing control module and height above sea level measurement moduleBe connected; Described Weighing control module is connected with height above sea level measurement module.
- 2. height above sea level according to claim 1 changes the electronic scale of rear non-calibrating technical functionality, it is characterized in that instituteState Weighing control module and comprise weighing unit, display unit and key control unit; Described key control unit respectively with weighUnit, display unit are connected; Described key control unit is connected with height above sea level measurement module.
- 3. height above sea level according to claim 1 changes the electronic scale of rear non-calibrating technical functionality, it is characterized in that instituteStating power module adopts ASM1117 chip to realize.
- 4. height above sea level according to claim 1 changes the electronic scale of rear non-calibrating technical functionality, it is characterized in that instituteStating height above sea level measurement module adopts SiRFstarIIIGSC3f chip to realize.
- 5. height above sea level according to claim 2 changes the electronic scale of rear non-calibrating technical functionality, it is characterized in that instituteStating weighing unit adopts HX710 chip to realize.
- 6. height above sea level according to claim 2 changes the electronic scale of rear non-calibrating technical functionality, it is characterized in that instituteStating key control unit adopts LPC1768 chip to realize.
- 7. height above sea level according to claim 2 changes the electronic scale of rear non-calibrating technical functionality, it is characterized in that instituteStating display unit adopts CS5817 chip to realize.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521066074.1U CN205262596U (en) | 2015-12-18 | 2015-12-18 | Exempt from electronic scale of calibration technology function behind height above sea level altitude variation |
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| CN201521066074.1U CN205262596U (en) | 2015-12-18 | 2015-12-18 | Exempt from electronic scale of calibration technology function behind height above sea level altitude variation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362367A (en) * | 2018-03-01 | 2018-08-03 | 成都特思特仪器有限公司 | A kind of electronic scale anti-cheating method |
| CN111473853A (en) * | 2020-05-08 | 2020-07-31 | 中山乐心电子有限公司 | Gravity acceleration determination method and device and electronic scale |
-
2015
- 2015-12-18 CN CN201521066074.1U patent/CN205262596U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362367A (en) * | 2018-03-01 | 2018-08-03 | 成都特思特仪器有限公司 | A kind of electronic scale anti-cheating method |
| CN111473853A (en) * | 2020-05-08 | 2020-07-31 | 中山乐心电子有限公司 | Gravity acceleration determination method and device and electronic scale |
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