WO2013143461A1 - An all-in-one wireless weighing module - Google Patents

An all-in-one wireless weighing module Download PDF

Info

Publication number
WO2013143461A1
WO2013143461A1 PCT/CN2013/073267 CN2013073267W WO2013143461A1 WO 2013143461 A1 WO2013143461 A1 WO 2013143461A1 CN 2013073267 W CN2013073267 W CN 2013073267W WO 2013143461 A1 WO2013143461 A1 WO 2013143461A1
Authority
WO
WIPO (PCT)
Prior art keywords
module
communication module
wireless
master chip
wireless communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2013/073267
Other languages
English (en)
French (fr)
Inventor
Ming Gao
Qi Han
Tao Qian
Xingwei Zhang
Dan Zhu
Wenwei GUO
Zhiming Jiang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mettler Toledo Changzhou Measurement Technology Ltd
Mettler Toledo Changzhou Scale and System Ltd
Mettler Toledo Changzhou Precision Instruments Ltd
Original Assignee
Mettler Toledo Changzhou Measurement Technology Ltd
Mettler Toledo Changzhou Scale and System Ltd
Mettler Toledo Changzhou Precision Instruments Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mettler Toledo Changzhou Measurement Technology Ltd, Mettler Toledo Changzhou Scale and System Ltd, Mettler Toledo Changzhou Precision Instruments Ltd filed Critical Mettler Toledo Changzhou Measurement Technology Ltd
Priority to IN8677DEN2014 priority Critical patent/IN2014DN08677A/en
Publication of WO2013143461A1 publication Critical patent/WO2013143461A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G23/00—Auxiliary devices for weighing apparatus
    • G01G23/18—Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
    • G01G23/36—Indicating the weight by electrical means, e.g. using photoelectric cells
    • G01G23/37—Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting
    • G01G23/3728—Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting with wireless means

Definitions

  • the present invention relates to an all-in-one wireless weighing module, and relates to the technical filed of weighing equipment.
  • a weighing equipment is primarily comprised of a main body, an elastic body, a resistive strain gauge provided in the elastic body, a measuring circuit, a display instrument, and the like.
  • the elastic body is deformed due to external force such that the resistive strain gauge adhered to the elastic body is simultaneously deformed, the resistance of the resistive strain gauge changes and a weight signal is converted by the measuring circuit into a corresponding analog electrical signal or digital signal output.
  • wireless communication technologies are applied to the field of electronic weighing increasingly.
  • existing weighing equipment wireless transmission of weight data and command are implemented by external wireless communication modules.
  • a wired connection is needed between the prior art weighing equipment and wireless communication modules, such that at least two master chips are needed in total for the existing weighing equipment. The need for two master chips not only increases the power consumption and cost of the weighing equipment, but also increases the complexity of the weighing equipment, reducing the stability of the weighing equipment.
  • the present invention aims to provide an all-in-one wireless weighing module in which volume, cost and power consumption thereof can be reduced.
  • a technical solution presented by the present invention is an all-in-one wireless weighing module characterized by comprising a master chip, a power supply module, a wireless communication module, a wired communication module and a weight acquisition module, wherein the power supply module for providing operational power is connected with the power terminals of the master chip, the wireless communication module, the wired communication module and the weight acquisition module respectively; a power control terminal of the master chip is connected with the power supply module; a signal output terminal of the weight acquisition module is connected with a signal input terminal of the master chip; and the wired communication module and the wireless communication module are connected with a communication interface of the master chip.
  • the present invention is able to implement, at the same time, not only weight signal acquisition and processing, but also the communications with the wireless communication module and wired communication module, i.e. implementing both of wireless communications and wired communications with one master chip. More particularly, through control of the power supply module by the master chip, long-term and effective management for the wireless weighing module is realized and low power operation is achieved. Thus, the present invention is suitable for long-term operation in outdoor environment absent of AC power supply. Since only one master chip is employed by the present invention, volume and cost of the module are reduced, and reliability and flexibility of the present wireless weighing module are increased.
  • Figure 1 is a block diagram showing the principle of the all-in-one wireless weighing module of the present invention.
  • the all-in-one wireless weighing module of the present invention comprises a master chip, a power supply module, a wireless communication module, a wired communication module and a weight acquisition module, wherein the power supply module for providing operational power is connected with the power terminals of the master chip, the wireless communication module, the wired communication module and the weight acquisition module respectively.
  • the power supply module of the present invention is implemented with an integrated circuit built with SPX3819M5-3-3 chip, the input voltage of which is 3.6 ⁇ 16V and the output voltage of which is 3.3 V.
  • a power control terminal of the master chip is connected with the power supply module.
  • the power supply module is enabled by the master chip when operation of the wireless weighing module is desired, while the power supply is cut off immediately after operations of these modules are done, thereby realizing the low power consumption operation of the wireless weighing module.
  • a signal output terminal of the weight signal acquisition module of the present invention is connected with a signal input terminal of the master chip.
  • the master chip of the present invention is implemented with MCS13192 chip in which a 8-bit CPU of HCS08 is integrated.
  • the weight acquisition module employs a 16-bit AD sampling circuit built with MAX1166 and is connected with external analog sensor. Weight signal acquisition and weight data processing are performed by the master chip. As shown in Figure 1 , the wired communication module and the wireless communication module are connected with a communication interface of the master chip.
  • the wireless communication module may be a wireless communication module based on any of the wireless communication protocols including WiFi, Zigbee, RFID or WirelessUSB, in which on-board antenna or external antenna may be used.
  • the wired communication module of the present invention may be a wired communication module based on any of the wired communication protocols including CAN, Ethernet, or USB. Processing of the weight signals, wireless communication and wired communication are performed by the master chip.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transceivers (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
PCT/CN2013/073267 2012-03-28 2013-03-27 An all-in-one wireless weighing module Ceased WO2013143461A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IN8677DEN2014 IN2014DN08677A (enExample) 2012-03-28 2013-03-27

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2012201222782U CN202600931U (zh) 2012-03-28 2012-03-28 一体化无线称重模块
CN201220122278.2 2012-03-28

Publications (1)

Publication Number Publication Date
WO2013143461A1 true WO2013143461A1 (en) 2013-10-03

Family

ID=47318457

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/073267 Ceased WO2013143461A1 (en) 2012-03-28 2013-03-27 An all-in-one wireless weighing module

Country Status (3)

Country Link
CN (1) CN202600931U (enExample)
IN (1) IN2014DN08677A (enExample)
WO (1) WO2013143461A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202600931U (zh) * 2012-03-28 2012-12-12 梅特勒-托利多(常州)精密仪器有限公司 一体化无线称重模块
CN104881985A (zh) * 2015-05-28 2015-09-02 仲恺农业工程学院 应用于物联网的电子秤无线智能传输方法、系统及设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2632647Y (zh) * 2003-07-18 2004-08-11 潘伟潮 电子人体脂肪秤
US20080105469A1 (en) * 2006-11-02 2008-05-08 Domel Douglas R Battery powered mobility scale with wireless display
CN201081791Y (zh) * 2007-09-14 2008-07-02 梅特勒-托利多(常州)称重设备系统有限公司 无线称重传感器
WO2010122252A1 (fr) * 2009-04-21 2010-10-28 Withings Procédé et dispositif de pesage
CN202133455U (zh) * 2011-06-21 2012-02-01 成都乐动信息技术有限公司 网络化的电子称称重系统
CN202600931U (zh) * 2012-03-28 2012-12-12 梅特勒-托利多(常州)精密仪器有限公司 一体化无线称重模块

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2632647Y (zh) * 2003-07-18 2004-08-11 潘伟潮 电子人体脂肪秤
US20080105469A1 (en) * 2006-11-02 2008-05-08 Domel Douglas R Battery powered mobility scale with wireless display
CN201081791Y (zh) * 2007-09-14 2008-07-02 梅特勒-托利多(常州)称重设备系统有限公司 无线称重传感器
WO2010122252A1 (fr) * 2009-04-21 2010-10-28 Withings Procédé et dispositif de pesage
CN202133455U (zh) * 2011-06-21 2012-02-01 成都乐动信息技术有限公司 网络化的电子称称重系统
CN202600931U (zh) * 2012-03-28 2012-12-12 梅特勒-托利多(常州)精密仪器有限公司 一体化无线称重模块

Also Published As

Publication number Publication date
CN202600931U (zh) 2012-12-12
IN2014DN08677A (enExample) 2015-05-22

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