CN103105223A - Standard industrial control pressure measurement transducer - Google Patents

Standard industrial control pressure measurement transducer Download PDF

Info

Publication number
CN103105223A
CN103105223A CN201210592765XA CN201210592765A CN103105223A CN 103105223 A CN103105223 A CN 103105223A CN 201210592765X A CN201210592765X A CN 201210592765XA CN 201210592765 A CN201210592765 A CN 201210592765A CN 103105223 A CN103105223 A CN 103105223A
Authority
CN
China
Prior art keywords
unit
cpu
weight
man
standard
Prior art date
Application number
CN201210592765XA
Other languages
Chinese (zh)
Inventor
吕旭东
章焕平
罗伏隆
Original Assignee
余姚市通用仪表有限公司
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 余姚市通用仪表有限公司 filed Critical 余姚市通用仪表有限公司
Priority to CN201210592765XA priority Critical patent/CN103105223A/en
Publication of CN103105223A publication Critical patent/CN103105223A/en

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The invention discloses a standard industrial control pressure measurement transducer comprising a central processing unit (CPU) unit, a weighing unit, a man-machine interface unit, a control unit and a standard communication unit. The transducer is characterized in that the CPU unit carries out man-machine interaction with a user through the man-machine interface unit, the weighing unit receives real-time weight signals and transmits the signals to the CPU unit, the control unit is used for receiving control signals of the CPU unit and controlling external equipment, and the standard communication unit is used for data transmission between the CPU unit and an external industrial system. The transducer is simple in structure, high in integration level, good in stability, and strong in man-machine interaction and system expansion capacity, supports control for the external equipment, guarantees precise and real-time weighing, and can be widely used for a control system, a batching system and a weighing and charge system.

Description

Standard industry control power measuring transducer
Technical field
The present invention relates to the weight transmitter field, particularly a kind of standard industry control power measuring transducer.
Background technology
Traditional Transmitters gathers the weight sensor electric signal, converts thereof into weight by built-in AD, and by standard analog signal and industrial system communication.
Widespread use along with electronic weighing technology in industrial processes, can directly input industrial control computer and other control instruments in order to make weight signal, realize the remote centralized control of production run, the user needs a kind of multifunctional industrial Weighing control transmitter that weight signal can be converted to the standard communications protocol.
Summary of the invention
Purpose of the present invention will overcome above-mentioned shortcoming exactly, aims to provide a kind of standard industry control power measuring transducer of gathering man-machine interface, Industry Control and standard agreement transmission.
For achieving the above object, standard industry control power measuring transducer of the present invention, comprise processor, weighing unit, human and machine interface unit, control module and standard communication unit, it is characterized in that: described CPU element is carried out man-machine interaction by described human and machine interface unit and user; Described weighing unit receives real-time weight signal and is sent to described CPU element; Described control module is used for CPU element to the control of external unit; Described standard communication unit is used for the data transmission of described CPU element and outside industrial system.
Further, described standard communication unit comprises Modbus bus interface and Profibus-DP bus interface.
Further, described CPU element adopts ARM Cortex-M3 kernel.
Further, described human and machine interface unit adopts segment code type LCD display and thin film switch.
The present invention also provides a kind of weight measuring and calculating, demonstration and analog output method, comprises the following steps:
Carry out system initialization;
Carry out the man-machine interface setting parameter;
The pressure that pressure transducer measures is through the A/D conversion, and its digital quantity reaches CPU element;
CPU element calculates weight;
Described weight shows gravimetric value by man-machine interface;
Simultaneously, described weight is through the D/A conversion;
Analog quantity after the D/A conversion is delivered to control module and external unit is controlled;
Simultaneously, described weight is by Modbus bus interface and Profibus-DP bus interface and upper machine communication.
Compared with prior art, technical scheme of the present invention has the following advantages: as the weight transmitter of an integrated multi-functional, simple in structure, integrated level is high, good stability, and human-computer interaction and system extension ability are strong, support peripheral equipment control, guarantee to weigh accurately with in real time.
Description of drawings
Fig. 1 is the structured flowchart of standard industry control power measuring transducer of the present invention;
Fig. 2 is the working method schematic diagram of standard industry control power measuring transducer of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 1, standard industry control power measuring transducer of the present invention, comprise processor, weighing unit, human and machine interface unit, control module and standard communication unit, it is characterized in that: described CPU element is carried out man-machine interaction by described human and machine interface unit and user; Described weighing unit receives real-time weight signal and is sent to described CPU element; Described control module is used for CPU element to the control of external unit; Described standard communication unit is used for the data transmission of described CPU element and outside industrial system; Described CPU element adopts described operating system to adopt the UCOSII real time operating system.
The present invention also provides the measuring and calculating of a kind of transmitter weight, demonstration and analog output method, comprises the following steps as shown in Figure 2:
Carry out system initialization;
Carry out the man-machine interface setting parameter;
The weight that pressure transducer measures is through the A/D conversion, and its digital quantity reaches CPU element;
CPU element calculates weight;
Described weight shows gravimetric value by man-machine interface;
Simultaneously, described weight is through the D/A conversion;
Analog quantity after the D/A conversion is delivered to control module and external unit is controlled;
Simultaneously, described pressure is by Modbus bus interface and Profibus-DP bus interface and upper machine communication.
In this embodiment, described processor unit adopts ARM Cortex-M3 kernel; Described human and machine interface unit adopts segment code type LCD display and thin film switch, provides operation and information to show service to the user.
Described Modbus bus interface is a kind of general purpose language protocol interface that is applied on electronic controller.By this bus interface, controller each other, controller is via communicating by letter between network (for example Ethernet) and miscellaneous equipment.By it, the opertaing device that different vendor produces can be linked to be industrial network, carries out Centralized Monitoring.This protocol definition controller can be familiar with the message structure that uses, and no matter they through which kind of network communicate.It has described the process of a controller request access miscellaneous equipment, how to respond the request from miscellaneous equipment, and how to detect wrong and record.It has formulated the common format of message field general layout and content.
Described PROFIBUS-DP bus interface is used for the high-speed data transfer of field layer.Main website reads periodically the input message of slave station and sends output information to slave station periodically.Bus cycle time must be shorter than main website (PLC) the program loop time.Except the periodic user data transmission, PROFIBUS-DP also provides the required aperiodicity of intelligent equipment to communicate by letter to carry out configuration. diagnosis and the processing of reporting to the police.
The present invention is as the transmitter of an integrated multi-functional, and is simple in structure, and integrated level is high, good stability, human-computer interaction and system extension ability are strong, support peripheral equipment control, guarantee to weigh accurately with in real time, can be widely used in control system, feed proportioning system and poidometer charge system.
In sum, above-mentioned embodiment is not to be restricted embodiment of the present invention, and the modification that all those skilled in the art carry out on the basis of flesh and blood of the present invention or equivalent deformation are all at technology category of the present invention.

Claims (5)

1. a standard industry control power measuring transducer, comprise CPU element, weighing unit, human and machine interface unit, control module and standard communication unit, and it is characterized in that: described CPU element is carried out man-machine interaction by described human and machine interface unit and user; Described weighing unit receives real-time weight signal and is sent to described CPU element; Described control module is used for receiving the control signal of described CPU element, and external unit is controlled; Described standard communication unit is used for the data transmission of described CPU element and outside industrial system.
2. standard industry control power measuring transducer as claimed in claim 1, it is characterized in that: described standard communication unit comprises Modbus bus interface and Profibus-DP bus interface.
3. standard industry control power measuring transducer as claimed in claim 1, is characterized in that: described CPU element employing ARM Cortex-M3 kernel.
4. standard industry control power measuring transducer as claimed in claim 1, is characterized in that: described human and machine interface unit employing segment code type LCD display and thin film switch.
5. transmitter weight measuring and calculating, demonstration and analog output method is characterized in that: comprise the following steps
Carry out system initialization;
Carry out the man-machine interface setting parameter;
The weight that LOAD CELLS measures is through the A/D conversion, and its digital quantity reaches CPU element;
CPU element calculates weight;
Described weight shows gravimetric value by man-machine interface;
Simultaneously, described weight is through the D/A conversion;
Analog quantity after the D/A conversion is delivered to control module and external unit is controlled;
Simultaneously, described weight is by Modbus bus interface and Profibus-DP bus interface and upper machine communication.
CN201210592765XA 2012-12-28 2012-12-28 Standard industrial control pressure measurement transducer CN103105223A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210592765XA CN103105223A (en) 2012-12-28 2012-12-28 Standard industrial control pressure measurement transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210592765XA CN103105223A (en) 2012-12-28 2012-12-28 Standard industrial control pressure measurement transducer

Publications (1)

Publication Number Publication Date
CN103105223A true CN103105223A (en) 2013-05-15

Family

ID=48313248

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210592765XA CN103105223A (en) 2012-12-28 2012-12-28 Standard industrial control pressure measurement transducer

Country Status (1)

Country Link
CN (1) CN103105223A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01184418A (en) * 1988-01-18 1989-07-24 Tokyo Electric Co Ltd Electronic tariff scale
EP1016856A2 (en) * 1998-12-28 2000-07-05 Ishida Co., Ltd. Combinatorial weighing system
CN1363062A (en) * 2000-02-28 2002-08-07 大和制衡株式会社 Combined weighing device and system using replaceable control program
CN1865867A (en) * 2005-05-18 2006-11-22 上海恒谊制药设备有限公司 Programmable weighing detection device
CN101544306A (en) * 2009-04-10 2009-09-30 上海市东方海事工程技术有限公司 System and method for intelligently controlling electronic weighing type coal feeder
CN102236339A (en) * 2010-04-26 2011-11-09 兰州交通大学 Monitoring device of warehouse equipment in airport freight station
CN202547764U (en) * 2012-04-23 2012-11-21 宁波市北仑区金驰电子科技有限公司 Weighing instrument

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01184418A (en) * 1988-01-18 1989-07-24 Tokyo Electric Co Ltd Electronic tariff scale
EP1016856A2 (en) * 1998-12-28 2000-07-05 Ishida Co., Ltd. Combinatorial weighing system
CN1363062A (en) * 2000-02-28 2002-08-07 大和制衡株式会社 Combined weighing device and system using replaceable control program
CN1865867A (en) * 2005-05-18 2006-11-22 上海恒谊制药设备有限公司 Programmable weighing detection device
CN101544306A (en) * 2009-04-10 2009-09-30 上海市东方海事工程技术有限公司 System and method for intelligently controlling electronic weighing type coal feeder
CN102236339A (en) * 2010-04-26 2011-11-09 兰州交通大学 Monitoring device of warehouse equipment in airport freight station
CN202547764U (en) * 2012-04-23 2012-11-21 宁波市北仑区金驰电子科技有限公司 Weighing instrument

Similar Documents

Publication Publication Date Title
CN102354305B (en) Serial communication system between devices and method
CN101609126B (en) Automatic testing system of temperature compensating crystal oscillator
CN102436205B (en) Embedded control platform for inspection instrument
CN101673107B (en) Multi-path serial communication converter and distributed control system applied by same
CN102096399B (en) Embedded energy data acquisition unit
CN102045345B (en) Method for realizing position sensor interface supporting various sensor communication protocols
CN201331406Y (en) Intelligent pressure transmitter
CN203054557U (en) A position sensor interface servo control device supporting multiple sensor communication protocols
CN102353481B (en) Method and device for complementing temperature and pressure of pressure sensor based on two-dimensional orthogonal function
CN202276369U (en) Weight acquisition device for internet of things
CN201285444Y (en) Electric energy meter calibration apparatus
CN102980715B (en) Capacitance pressure transmitter and pressure capsule system
CN202126611U (en) Embedded energy data acquisition device
CN201965453U (en) Integrated water quality multi-parameter controller
CN103699029B (en) A kind of energy consumption data acquisition terminal
CN107886692B (en) Sensor loRa wireless network communication system for bioengineering
US20130054765A1 (en) Method for Servicing a Field Device
CN101369142A (en) Remote I/O data acquisition system and method based on embedded type platform
CN201750433U (en) Architectural energy consumption data acquisition device
KR20130085810A (en) Analog input module
CN102981445B (en) Intelligent control system and method for coal sampling and sample making machine based on PLC (Programmable Logic Controller)
CN202841543U (en) Intelligent terminal of water conservancy Internet of things
CN105070264A (en) Common voltage adjustment system and method of liquid crystal display panel
CN203734848U (en) Internet of Things gateway
CN102200763A (en) Grain status monitoring system based on fieldbus

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130515

C02 Deemed withdrawal of patent application after publication (patent law 2001)