CN2746377Y - Weighing sensor with IP address - Google Patents

Weighing sensor with IP address Download PDF

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Publication number
CN2746377Y
CN2746377Y CNU200520033695XU CN200520033695U CN2746377Y CN 2746377 Y CN2746377 Y CN 2746377Y CN U200520033695X U CNU200520033695X U CN U200520033695XU CN 200520033695 U CN200520033695 U CN 200520033695U CN 2746377 Y CN2746377 Y CN 2746377Y
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CN
China
Prior art keywords
pin
links
load cells
power supply
address
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.)
Expired - Fee Related
Application number
CNU200520033695XU
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Chinese (zh)
Inventor
孙熊岳
刘涛
张乃珂
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.)
CHENGDU HUOAN MEASURE TECHNICAL CENTER
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CHENGDU HUOAN MEASURE TECHNICAL CENTER
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 CHENGDU HUOAN MEASURE TECHNICAL CENTER filed Critical CHENGDU HUOAN MEASURE TECHNICAL CENTER
Priority to CNU200520033695XU priority Critical patent/CN2746377Y/en
Application granted granted Critical
Publication of CN2746377Y publication Critical patent/CN2746377Y/en
Priority to KR2020077000003U priority patent/KR200439307Y1/en
Priority to JP2008600004U priority patent/JP3143223U/en
Priority to PCT/CN2006/000159 priority patent/WO2006102823A1/en
Priority to DE212006000009U priority patent/DE212006000009U1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
    • G01G3/14—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of electrical resistance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
    • G01G3/14—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of electrical resistance
    • G01G3/142—Circuits specially adapted therefor
    • G01G3/147—Circuits specially adapted therefor involving digital counting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G23/00—Auxiliary devices for weighing apparatus

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The utility model belongs to the weighing technical field, in particular relates to a weighing sensor with an IP address. The sensor comprises a power supply which is connected with the weighing sensor and an analog signal IP converting plate or an IP converting box output by the weighing sensor. The weighing sensor with an IP address of the utility model which has strong anti-interference capability, high weighing precision and high transmission speed can conveniently detect the condition of each sensor, and is suitable for the weighing of static, dynamic and high-speed situations.

Description

LOAD CELLS with IP address
Technical field:
The utility model belongs to the weighing technology field, particularly be the LOAD CELLS of a kind of IP of having address.
Background technology:
At present, the LOAD CELLS of domestic use, there are metallic elastic body and resistance strain gage to constitute, when its be under pressure or weight do the time spent, metallic elastic body generation deformation, resistance strain gage output analog electrical signal, its analog electrical signal poor anti jamming capability is not easy to detect the situation of each sensor; The digital weighing sensor transmission speed of output RS232 serial line interface signal is low, is used in combination inconvenience, and weighing precision is low, especially is unsuitable for dynamically and weighing under the high-speed case.
The utility model content:
The purpose of this utility model is in order to overcome the problem of above-mentioned existence, to provide a kind of weighing precision the high LOAD CELLS with IP address.
The technical solution of the utility model is achieved in that
LOAD CELLS with IP address of the present utility model comprises power supply, and power supply is connected (hereinafter to be referred as IP change-over panel or IP boxcar) with the simulating signal IP change-over panel or the IP boxcar of sensor with LOAD CELLS output that weigh.
Above-mentioned power supply is bridge power supply and power supply, LOAD CELLS is a resistance strain type sensor, and IP change-over panel or IP boxcar are to be connected to form by the Ethernet controller with IP address that power supply, operational amplifier, A/D analog to digital converter, logic controller, digital signal processor, program storage and computing machine or the special-purpose weighing instrument of Ethernet link to each other.
The 1st pin of above-mentioned LOAD CELLS links to each other with positive source, and the 2nd pin links to each other with the 2nd pin of the chip I NA128 of operational amplifier, the 3rd pin ground connection, and the 4th pin links to each other with the 3rd pin of the chip I NA128 of operational amplifier.
The operational amplification circuit of above-mentioned operational amplifier is by the 12V power supply, the INA128 chip, resistance R 19 is formed, the 7th pin of chip I NA128 connects the positive pole of 12V power supply, and the 4th pin connects the negative pole of 12V power supply, and the 1st pin and the 8th pin are in parallel with R19, the 2nd pin links to each other with the 2nd pin of LOAD CELLS, the 3rd pin links to each other with the 4th pin of LOAD CELLS, and the 5th pin ground connection connects the 9th pin of A/D converter behind the 6th pin polyphone R1.
The change-over circuit of above-mentioned A/D converter is made up of A/D converter and resistance R 1, capacitor C 1, the 9th pin of A/D converter links to each other with the 6th pin of the chip I NA128 of operational amplifier with resistance R 1 series connection back, the 9th pin serial connection capacitor C 1 back signal ground, the 19th pin links to each other with the 35th pin of logic controller, and the 20th pin links to each other with the 36th pin of logic controller.
Above-mentioned logic controller is the PLD device, the 35th pin of PLD links to each other with the 19th pin of A/D converter, and the 36th pin links to each other with the 20th pin of A/D converter, and the 50th pin links to each other with the positive pole of power supply, the 25th pin ground connection, the 78th pin links to each other with the 108th pin of digital signal processor.
Above-mentioned digital signal processor is Mcu microcontroller or DSP digital signal processor, its digital signal processing circuit is made up of Mcu microcontroller or DSP digital signal processor and power supply, the 11st pin of Mcu microcontroller or DSP digital signal processor links to each other with the 5th pin of program storage, the 13rd pin links to each other with positive source, the 14th pin links to each other with the 8th pin of program storage, the 12nd pin ground connection, the 4th, 5,6,7 pin respectively with the 1st of the Ethernet controller that links to each other with the special-purpose weighing instrument of computing machine or Ethernet with I P address, 2,3,6 pin link to each other.
The procedure stores circuit of above-mentioned program storage is made up of program storage and power supply, the 6th pin of program storage links to each other with the positive pole of power supply, the 7th pin ground connection, the 5th pin links to each other with the 11st pin of Mcu microcontroller or DSP digital signal processor, and the 8th pin links to each other with the 14th pin of Mcu microcontroller or DSP digital signal processor.
The 1st, 2,3,6 pin of the above-mentioned Ethernet controller with IP address that links to each other with computing machine or the special-purpose weighing instrument of Ethernet connect the 4th, 5,6,7 pin of digital signal processor respectively.
Above-mentioned IP change-over panel is assembled in the LOAD CELLS, and the IP boxcar is connected with LOAD CELLS by cable.
The LOAD CELLS of the IP of having of the present utility model address is by power supply, LOAD CELLS and IP change-over panel or IP boxcar connect and compose, its course of work is as follows: when the LOAD CELLS with IP address is subjected to weight or pressure, by metallic elastic body and resistance strain gage output analog electrical signal, simulating signal is through the 2nd, the output of 4 pin enters the 2nd of operational amplifier, 3 pin, after operational amplifier amplifies, export to the A/D analog to digital converter by the 6th pin and convert digital signal to, by the 19th of A/D analog to digital converter, 20 pin output to the 35th of logic controller, 36 pin, logic controller is under the control of Mcu microcontroller or DSP digital signal processor, enter the 108th pin of DSP digital signal processor from the output of the 78th pin, the instruction of DSP digital signal processor executive memory, data are exported ethernet signal by Ethernet controller, send to the special-purpose weighing instrument of computing machine or Ethernet.
LOAD CELLS with IP address of the present utility model can long-rangely be patrolled and examined it, corrected parameter.Can test and revise angular difference, demarcation in calibrating with in using.In when maintenance, by Ethernet this is had initial parameter input of LOAD CELLS of IP address after, can guarantee that the electronic scale integral body data of weighing are constant.Provide a cover weighing software by producer, the LOAD CELLS that the user can be about to have the IP address certainly is combined into various electronic scales.When the volume of LOAD CELLS allows, the analog signal conversion of LOAD CELLS can be become the IP change-over panel of Ethernet signal to be assembled in the LOAD CELLS, when the volume of LOAD CELLS hour, the simulating signal of LOAD CELLS output can be transformed into the output of Ethernet signal by cable transmission in the IP boxcar.
LOAD CELLS antijamming capability with IP address of the present utility model is strong, the weighing precision height, and transmission speed is fast, can detect the situation of each sensor easily, is applicable to static state, dynamically and weighing under the high-speed case.
Description of drawings:
Fig. 1 is the electrical equipment theory diagram of the LOAD CELLS of the IP of having of the present utility model address.
Fig. 2 is the circuit diagram of the LOAD CELLS of the IP of having of the present utility model address.
Fig. 3 is the operational amplification circuit figure of the LOAD CELLS of the IP of having of the present utility model address.
Fig. 4 be the IP of having of the present utility model address LOAD CELLS A/D change-over circuit figure.
Fig. 5 is the circuit diagram of logic controller of the LOAD CELLS of the IP of having of the present utility model address.
Fig. 6 is the Mcu microcontroller of LOAD CELLS of the IP of having of the present utility model address or the circuit diagram of DSP digital signal processor.
Fig. 7 is the circuit diagram of program storage of the LOAD CELLS of the IP of having of the present utility model address.
Fig. 8 is the circuit diagram of the Ethernet controller with IP address that links to each other with the special-purpose weighing instrument of computing machine or Ethernet of the LOAD CELLS of the IP of having of the present utility model address.
Fig. 9 is the bridge architecture synoptic diagram of the LOAD CELLS of the IP of having of the present utility model address.
Figure 10 is the pole structure synoptic diagram of the LOAD CELLS of the IP of having of the present utility model address.
Figure 11 is the filling type structural representation of the LOAD CELLS of the IP of having of the present utility model address.
Embodiment:
As shown in Figure 1, the LOAD CELLS with IP address of the present utility model comprises power supply 1, and power supply 1 is connected with the simulating signal IP change-over panel or the IP boxcar 3 of LOAD CELLS 2 with LOAD CELLS 2 outputs.
Above-mentioned power supply 1 is bridge power supply and power supply, LOAD CELLS 2 is resistance strain type sensors, and IP change-over panel or IP boxcar 3 are to be connected to form by the Ethernet controller with IP address 9 that power supply 1, operational amplifier 4, A/D analog to digital converter 5, logic controller 6, digital signal processor 7, program storage 8 and computing machine or the special-purpose weighing instrument of Ethernet link to each other.
As shown in Figure 2, the 1st pin of LOAD CELLS 2 and 1 anodal linking to each other of power supply, the 2nd pin links to each other with the 2nd pin of the chip I NA128 of operational amplifier 4, the 3rd pin ground connection, the 4th pin links to each other with the 3rd pin of the chip I NA128 of operational amplifier 4.
As shown in Figure 3, the operational amplification circuit of operational amplifier 4 is by the 12V power supply, the INA128 chip, resistance R 19 is formed, and the 7th pin of chip I NA128 connects the positive pole of 12V power supply, the 4th pin connects the negative pole of 12V power supply, the 1st pin and the 8th pin are in parallel with R19, and the 2nd pin links to each other with the 2nd pin of LOAD CELLS (2), and the 3rd pin links to each other with the 4th pin of LOAD CELLS 2, the 5th pin ground connection connects the 9th pin of A/D converter 5 behind the 6th pin polyphone R1.
As shown in Figure 4, the change-over circuit of A/D analog to digital converter 5 is made up of A/D converter 5 and resistance R 1, capacitor C 1, the 9th pin of A/D converter 5 links to each other with the 6th pin of the chip I NA128 of operational amplifier 4 with resistance R 1 series connection back, the 9th pin serial connection capacitor C 1 back signal ground, the 19th pin links to each other with the 35th pin of logic controller 6, and the 20th pin links to each other with the 36th pin of logic controller 6.
As shown in Figure 5, logic controller 6 is PLD devices, and the 35th pin of PLD links to each other with the 19th pin of A/D converter 5, the 36th pin links to each other with the 20th pin of A/D converter 5, the 50th pin links to each other with the positive pole of power supply 1, the 25th pin ground connection, and the 78th pin links to each other with the 108th pin of digital signal processor 7.
As shown in Figure 6, digital signal processor 7 is Mcu microcontroller or DSP digital signal processor, its digital signal processing circuit is made up of Mcu microcontroller or DSP digital signal processor 7 and power supply 1, the 11st pin of Mcu microcontroller or DSP digital signal processor 7 links to each other with the 5th pin of program storage 8, the 13rd pin and 1 anodal linking to each other of power supply, the 14th pin links to each other with the 8th pin of program storage 8, the 12nd pin ground connection, the 4th, 5,6,7 pin respectively with the 1st of the Ethernet controller with IP address 9 that links to each other with the special-purpose weighing instrument of computing machine or Ethernet, 2,3,6 pin link to each other.
As shown in Figure 7, the procedure stores circuit of program storage 8 is made up of program storage 8 and power supply 1, the 6th pin of program storage 8 links to each other with the positive pole of power supply 1, the 7th pin ground connection, the 5th pin links to each other with the 11st pin of Mcu microcontroller or DSP digital signal processor 7, and the 8th pin links to each other with the 14th pin of Mcu microcontroller or DSP digital signal processor 7.
As shown in Figure 8, the 1st, 2,3,6 pin of the Ethernet controller with IP address 9 that links to each other with computing machine or the special-purpose weighing instrument of Ethernet connect the 4th, 5,6,7 pin of digital signal processor 7 respectively.
Shown in Fig. 9,10, IP change-over panel 3 is assembled in respectively in bridge-type, the pillar LOAD CELLS 2.As shown in figure 11, IP boxcar 3 is connected with LOAD CELLS 2 by cable 14, links to each other with computing machine or the special-purpose weighing instrument of Ethernet again.
The LOAD CELLS of the IP of having of the present utility model address is by power supply 1, LOAD CELLS 2 and IP change-over panel 3 or IP boxcar 3 connect and compose, its course of work is as follows: when the LOAD CELLS with IP address is subjected to weight or pressure, by metallic elastic body 10 and resistance strain gage 11 output analog electrical signals, simulating signal is through the 2nd, the output of 4 pin enters the 2nd of operational amplifier 4,3 pin, after operational amplifier 4 amplifies, export to A/D analog to digital converter 5 by the 6th pin and convert digital signal to, by the 19th of A/D analog to digital converter 5,20 pin output to the 35th of logic controller 6,36 pin, logic controller 6 is under the control of Mcu microcontroller or DSP digital signal processor 7, enter the 108th pin of DSP digital signal processor 7 from the output of the 78th pin, the instruction of DSP digital signal processor 7 executive memory 8, data by Ethernet controller 9 output ethernet signals, are sent to the special-purpose weighing instrument of computing machine or Ethernet.
LOAD CELLS with IP address of the present utility model can long-rangely be patrolled and examined it, corrected parameter.Can test and revise angular difference, demarcation in calibrating with in using.In when maintenance, by Ethernet this is had initial parameter input of LOAD CELLS of IP address after, can guarantee that the electronic scale integral body data of weighing are constant.Provide a cover weighing software by producer, the LOAD CELLS that the user can be about to have the IP address certainly is combined into various electronic scales.When the volume of LOAD CELLS 2 allows, the analog signal conversion of LOAD CELLS 2 can be become the IP change-over panel 3 of Ethernet signal to be assembled in the LOAD CELLS 2, when the volume of LOAD CELLS 2 hour, the simulating signal of LOAD CELLS 2 outputs can be transferred to by cable 14 and be transformed into the output of Ethernet signal in the IP boxcar 3.

Claims (10)

1, a kind of LOAD CELLS with IP address comprises power supply (1), it is characterized in that power supply (1) is connected with the simulating signal IP change-over panel or the IP boxcar (3) of LOAD CELLS (2) with LOAD CELLS (2) output.
2, the LOAD CELLS with IP address according to claim 1, it is characterized in that power supply (1) is bridge power supply and power supply, LOAD CELLS (2) is a resistance strain type sensor, and IP change-over panel or IP boxcar (3) are to be connected to form by the Ethernet controller with IP address (9) that power supply (1), operational amplifier (4), A/D analog to digital converter (5), logic controller (6), digital signal processor (7), program storage (8) and computing machine or the special-purpose weighing instrument of Ethernet link to each other.
3, the LOAD CELLS with IP address according to claim 1 and 2, the 1st pin that it is characterized in that LOAD CELLS (2) links to each other with power supply (1) is anodal, the 2nd pin links to each other with the 2nd pin of the chip I NA128 of operational amplifier (4), the 3rd pin ground connection, the 4th pin links to each other with the 3rd pin of the chip I NA128 of operational amplifier (4).
4, the LOAD CELLS with IP address according to claim 2, the operational amplification circuit that it is characterized in that operational amplifier (4) is by the 12V power supply, the INA128 chip, resistance R 19 is formed, the 7th pin of chip I NA128 connects the positive pole of 12V power supply, the 4th pin connects the negative pole of 12V power supply, the 1st pin and the 8th pin are in parallel with R19, the 2nd pin links to each other with the 2nd pin of LOAD CELLS (2), the 3rd pin links to each other with the 4th pin of LOAD CELLS (2), the 5th pin ground connection connects the 9th pin of A/D converter (5) behind the 6th pin polyphone R1.
5, the LOAD CELLS with IP address according to claim 2, the change-over circuit that it is characterized in that A/D converter (5) is made up of A/D converter (5) and resistance R 1, capacitor C 1, the 9th pin of A/D converter (5) links to each other with the 6th pin of the chip I NA128 of operational amplifier (4) with resistance R 1 series connection back, the 9th pin serial connection capacitor C 1 back signal ground, the 19th pin links to each other with the 35th pin of logic controller (6), and the 20th pin links to each other with the 36th pin of logic controller (6).
6, the LOAD CELLS with IP address according to claim 2, it is characterized in that logic controller (6) is the PLD device, the 35th pin of PLD links to each other with the 19th pin of A/D converter (5), the 36th pin links to each other with the 20th pin of A/D converter (5), the 50th pin links to each other with the positive pole of power supply (1), the 25th pin ground connection, the 78th pin links to each other with the 108th pin of digital signal processor (7).
7, LOAD CELLS with IP address according to claim 2, it is characterized in that digital signal processor (7) is Mcu microcontroller or DSP digital signal processor, its digital signal processing circuit is made up of Mcu microcontroller or DSP digital signal processor (7) and power supply (1), the 11st pin of Mcu microcontroller or DSP digital signal processor (7) links to each other with the 5th pin of program storage (8), the 13rd pin links to each other with power supply (1) is anodal, the 14th pin links to each other with the 8th pin of program storage (8), the 12nd pin ground connection, the 4th, 5,6,7 pin respectively with the 1st of the Ethernet controller with IP address (9) that links to each other with the special-purpose weighing instrument of computing machine or Ethernet, 2,3,6 pin link to each other.
8, the LOAD CELLS with IP address according to claim 2, the procedure stores circuit that it is characterized in that program storage (8) is made up of program storage (8) and power supply (1), the 6th pin of program storage (8) links to each other with the positive pole of power supply (1), the 7th pin ground connection, the 5th pin links to each other with the 11st pin of Mcu microcontroller or DSP digital signal processor (7), and the 8th pin links to each other with the 14th pin of Mcu microcontroller or DSP digital signal processor (7).
9, the LOAD CELLS with IP address according to claim 2 is characterized in that the 1st, 2,3,6 pin of the Ethernet controller with IP address (9) that links to each other with the special-purpose weighing instrument of computing machine or Ethernet connect the 4th, 5,6,7 pin of digital signal processor (7) respectively.
10, according to the described LOAD CELLS of one of claim 1～10 with IP address, it is characterized in that IP change-over panel (3) is assembled in the LOAD CELLS (2), IP boxcar (3) is connected with LOAD CELLS (2) by cable (14).
CNU200520033695XU 2005-03-30 2005-03-30 Weighing sensor with IP address Expired - Fee Related CN2746377Y (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CNU200520033695XU CN2746377Y (en) 2005-03-30 2005-03-30 Weighing sensor with IP address
KR2020077000003U KR200439307Y1 (en) 2005-03-30 2006-01-26 A load cell with ip address
JP2008600004U JP3143223U (en) 2005-03-30 2006-01-26 Load cell with IP address
PCT/CN2006/000159 WO2006102823A1 (en) 2005-03-30 2006-01-26 A load cell with ip address
DE212006000009U DE212006000009U1 (en) 2005-03-30 2006-01-26 Load cell with IP address

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU200520033695XU CN2746377Y (en) 2005-03-30 2005-03-30 Weighing sensor with IP address

Publications (1)

Publication Number Publication Date
CN2746377Y true CN2746377Y (en) 2005-12-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU200520033695XU Expired - Fee Related CN2746377Y (en) 2005-03-30 2005-03-30 Weighing sensor with IP address

Country Status (5)

Country Link
JP (1) JP3143223U (en)
KR (1) KR200439307Y1 (en)
CN (1) CN2746377Y (en)
DE (1) DE212006000009U1 (en)
WO (1) WO2006102823A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007085120A1 (en) * 2006-01-26 2007-08-02 Chengdu Huoan Measure Technical Center An ethernet combined electronic weighing apparatus
WO2007115433A1 (en) * 2006-04-10 2007-10-18 Chengdu Huoan Measure Technical Center An ethernet network rail weighting apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5076375A (en) * 1987-11-30 1991-12-31 Mettler-Toledo, Inc. Load cell
JP3648876B2 (en) * 1996-09-30 2005-05-18 株式会社島津製作所 Electronic measuring instrument
CN1561065A (en) * 2004-03-04 2005-01-05 华中科技大学 Method for sensor adapative seamless Insertion internet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007085120A1 (en) * 2006-01-26 2007-08-02 Chengdu Huoan Measure Technical Center An ethernet combined electronic weighing apparatus
WO2007115433A1 (en) * 2006-04-10 2007-10-18 Chengdu Huoan Measure Technical Center An ethernet network rail weighting apparatus

Also Published As

Publication number Publication date
JP3143223U (en) 2008-07-17
WO2006102823A1 (en) 2006-10-05
KR20080000104U (en) 2008-01-24
DE212006000009U1 (en) 2007-06-06
KR200439307Y1 (en) 2008-04-03

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Granted publication date: 20051214

Termination date: 20140330