AU2006101090A4 - Ethernet combination-type electronic scale instrument - Google Patents
Ethernet combination-type electronic scale instrument Download PDFInfo
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- AU2006101090A4 AU2006101090A4 AU2006101090A AU2006101090A AU2006101090A4 AU 2006101090 A4 AU2006101090 A4 AU 2006101090A4 AU 2006101090 A AU2006101090 A AU 2006101090A AU 2006101090 A AU2006101090 A AU 2006101090A AU 2006101090 A4 AU2006101090 A4 AU 2006101090A4
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- ethernet
- digital signal
- weighing sensor
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Description
Commonwealth of Australia ^sO Patents, Trade Marks and Designs Acts 8 VERIFICATION OF TRANSLATION
(N
I, Guixiang CHEN 0 s, of Beijing Sunhope Intellectual Property Ltd.
S Suite 1106, Kunxun Plaza, Zhichun Road 9 Haidian District, Beijing 100083, P.R. China
I-O
am the translator of the English language document attached and I state that the attached document 0 is a true translation of *PCT International Application No. PCT/CN2006/000157 as filed on January 26, 2006 Dated this day ofF .br..007 Signature of Translator 1. F.B. RICE CO PATENT ATTORNEY Ethernet Combination-type Electronic Scale Instrument Field of the Invention The present utility model relates to a device of weighing technique, and more particularly to an Ethernet combination-type electronic scale instrument.
Description of the Prior art After superposing analog signals of the weighing sensors, the traditional electronic scale instruments will convert the analog signals into digital signals 0 by means of an A/D analog-to-digital converter for further processing. The analog signals and the transmission circuit of the traditional electronic scale instruments have poor anti-interference capability, and it is inconvenient to detect the status of each sensor. Furthermore, the debugging of the traditional electronic scale instruments is comparatively troublesome. The current electronic scale instruments combined by digital sensors output RS232 serial interface signals which is characterized by low transmission rate that can merely reach 9600bpS as a general rule, so it is inconvenient to use such electronic scale instruments for networking and they are unsuitable for dynamic weighing with relatively high speed and real-time weighing with high 0 precision.
Summary of the Invention In view of this reason, an object of this utility model is to provide an Ethernet combination-type electronic scale instrument which is suitable for weighing under dynamic, static and high speed conditions so as to overcome the above-mentioned problems.
To achieve the object, the technical solution in accordance with this utility model is provided as follows: an Ethernet combination-type electronic scale instrument includes a power supply and a weighing sensor provided with IP address, the power supply is bridge power supply and electric power supply, and the weighing sensor is a resistance strain type sensor; the Ethernet combination-type electronic scale instrument further includes a converting board or converting box that can convert analog signals output by the weighing sensor into digital signals, in which the power supply is respectively connected with the weighing sensor and the converting board or converting box, the analog signals output by the weighing sensor enter the signal input end of the converting board or converting box through a cable, the output signals of the converting board or converting box are connected to an Ethernet hub or exchanger through network lines and then connected to a computer or an Ethernet dedicated weighing meter through a network transmission line or a wireless network card.
The converting board or converting box includes an operational amplifier, an A/D converter, a logic controller, a Mcu microcontroller or DSP digital signal processor, a program memory and an Ethernet controller; the signal input end of the operational amplifier is connected with the signal output end of D the weighing sensor provided with IP address, while the signal output end of the operational amplifier is connected to the Mcu microcontroller or DSP digital signal processor through the A/D converter; the output signals of the Mcu microcontroller or DSP digital signal processor are transmitted into the logic controller and the program memory while they are output to the Ethernet controller, and the Mcu microcontroller or DSP digital signal processor may receive the returned data from the program memory; the logic controller is respectively connected with the A/D converter, the Mcu microcontroller or DSP digital signal processor and the Ethernet controller, for receiving data from the Mcu microcontroller or DSP digital signal processor and simultaneously 0 outputting control signals to the A/D converter and the Ethernet controller; the signal output end of the Ethernet controller is connected with the network lines.
Each of weighing sensors of the Ethernet combination-type electronic scale instrument of this utility model has IP address. Furthermore, remote inspection tour and parameter correction may be performed for the weighing sensors. In the process of detection and application, they may test and correct angular difference and make calibration. During maintenance, the whole weighing data of the electronic scale instrument can be unchangeably maintained by inputting original parameters of the weighing sensors through Ethernet. By means of a set of weighing software provided by the manufacturer, the user may independently combine the weighing sensors as various electronic scale instruments. If the volume of the weighing sensor permits, the converting board for converting analog signals of the weighing sensor into Ethernet signals may be assembled in the weighing sensor. If the volume of the weighing sensor is relatively small, the analog signals output by the weighing sensor may be transmitted to the converting box through a cable and then converted into Ethernet signals to be output.
With its transmission rate as high as 10Mbps, the Ethernet combination-type electronic scale instrument of this utility model is suitable for weighing under dynamic, static and high-speed conditions, for example, as a railway track scale, a truck scale and other electronic scales, and is especially suitable for high-speed dynamic measurements, for example, as a dynamic railway track scale, a dynamic truck scale and a device for detecting overload and unbalance-load of railway freight cars, etc. Due to the considerable increase in the speed of conversion and transmission, the data amount of sampling is correspondingly improved a lot and therefore the weighing precision of the electronic scale instrument is also improved greatly.
Brief Description of the Drawings Figure 1 is the structural schematic diagram of the Ethernet combination-type electronic scale instrument of this utility model.
Figure 2 is the principle block diagram of the Ethernet combination-type electronic scale instrument of this utility model.
Figure 3 is the structural schematic diagram of the bridge type Ethernet weighing sensor of the Ethernet combination-type electronic scale instrument of this utility model.
Figure 4 is the structural schematic diagram of the column type Ethernet 0 weighing sensor of the Ethernet combination-type electronic scale instrument of this utility model.
Figure 5 is the structural schematic diagram of the plug-in type Ethernet weighing sensor of the Ethernet combination-type electronic scale instrument of this utility model.
Figure 6 is the circuit diagram of the weighing sensor of the Ethernet combination-type electronic scale instrument of this utility model.
Figure 7 is the operational amplification circuit diagram of the Ethernet combination-type electronic scale instrument of this utility model.
Figure 8 is the A/D conversion circuit diagram of the Ethernet combination-type electronic scale instrument of this utility model.
Figure 9 is the circuit diagram of the logic controller of the Ethernet combination-type electronic scale instrument of this utility model.
Figure 10 is the circuit diagrams of the Mcu microcontroller or DSP digital signal processor and the program memory of the Ethernet combination-type electronic scale instrument of this utility model.
Figure 11 is the circuit diagram of the Ethernet controller of the Ethernet combination-type electronic scale instrument of this utility model.
Detailed Description of the Preferred Embodiments The detailed description of this utility model will be provided as follows with reference to the attached drawings and embodiments.
As shown in Figure 1, an Ethernet combination-type electronic scale instrument of this utility model includes a power supply 1 and a weighing sensor 2 provided with IP address, the power supply 1 is bridge power supply and electric power supply, and the weighing sensor 2 is a resistance strain type 0 sensor; the Ethernet combination-type electronic weighing scale further includes a converting board or converting box 3 that can convert analog signals output by the weighing sensor 2 into digital signals, in which the power supply 1 is respectively connected with the weighing sensor 2 and the converting board or converting box 3, the analog signals output by the weighing sensor 2 enter the signal input end of the converting board or converting box 3 through a signal line cable, the output signals of the converting board or converting box 3 are connected to an Ethernet hub or exchanger 11 through network lines 10 and then connected to a computer or an Ethernet dedicated weighing meter 13 through a network transmission line 12 or a wireless network card.
o The weighing sensor 2 provided with IP address may be a bridge type weighing sensor, a column type weighing sensor and a plug-in type weighing sensor, etc., the number of which is no less than one. In the preferred embodiment shown in Figure 1, the number of the weighing sensors 2 is 16, which together form the scale body and the sensor array 15 as shown in the dashed line block in Figure 1.
The specific structure of the converting board or converting box 3 is shown in Figure 2. The Converting board or converting box 3 includes an operational amplifier 4, an A/D converter 5, a logic controller 6, a Mcu microcontroller or DSP digital signal processor 7, a program memory 8 and an Ethernet controller 9; the signal input end of the operational amplifier 4 is connected with the signal output end of the weighing sensor 2 provided with IP address, while the signal output end of the operational amplifier 4 is connected to the Mcu microcontroller or DSP digital signal processor 7 through the A/D converter the output signals of the Mcu microcontroller or DSP digital signal processor 7 are transmitted to the logic controller 6 and the program memory 8 while they are output to the Ethernet controller 9, and the Mcu microcontroller or DSP digital signal processor 7 may receive the returned data from the program S memory 8; the logic controller 6 is respectively connected with the A/D converter 5, the Mcu microcontroller or DSP digital signal processor 7 and the Ethernet controller 9, for receiving data from the Mcu microcontroller or DSP S digital signal processor 7 and simultaneously outputting control signals to the A/D converter 5 and the Ethernet controller 9; the signal output end of the Ethernet controller 9 is connected with the network lines As shown in Figures 3 and 4, the converting board 3 is respectively assembled in a bridge type and a column type weighing sensors 2 and is connected to the Ethernet exchanger or hub 11 through an outgoing cable.
As shown in Figure 5, the converting box 3 is connected to the weighing S sensor 2 through a cable 14 and is connected to the Ethernet exchanger or hub 11 through an outgoing cable.
The operational amplification circuit of the operational amplifier 4 is comprised of a 12V power supply, a chip INA128 and a resistance R19, the logic controller 6 is a PLD element, the digital signal processing circuit of the Mcu microcontroller or DSP digital signal processor 7 is comprised of a Mcu microcontroller or DSP digital signal processor chip and a power supply 1, the program memory circuit of the program memory 8 is comprised of a program memory chip and a power supply 1.
As shown in Figure 6, the No. 1 lead of the weighing sensor 2 is connected with the positive pole of the power supply 1, the No.2 lead of the weighing sensor 2 is connected with the No.2 pin of the chip INA128 of the operational amplifier 4, the No.3 lead of the weighing sensor 2 is grounded, and the No.4 lead of the weighing sensor 2 is connected with the No.3 pin of the chip INA128 of the operational amplifier 4.
As shown in Figure 7, the operational amplification circuit of the operational amplifier 4 is comprised of a 12V power supply, a chip INA128 and a resistance R19; the No.7 pin of the chip INA128 is connected with the positive pole of the 12V power supply, the No.4 pin of the chip INA128 is connected with the negative pole of the 12 V power supply, the No.1 and No.8 pins of the chip INA 128 are connected with the resistance R19, the No.2 pin of the chip INA 128 is connected with the No.2 lead of the weighing sensor 2, the No.3 pin of the chip INA128 is connected with the No.4 lead of the weighing sensor 2, the No.5 pin of the chip INA128 is grounded, and the No.6 pin of the chip INA 128, after being connected with a resistance RI in series, is connected to the No.9 pin of the A/D converter As shown in Figure 8, the conversion circuit of the A/D converter 5 is comprised of an A/D converter chip, a resistance RI and a capacitance Cl; 0 the No.9 pin of the A/D converter chip, after being connected with the S resistance RI in series, is connected to the No.6 pin of the chip INA128 of the S operational amplifier 4, at the same time, the No.9 pin of the A/D converter -0 5 chip is connected with the capacitance C1 in series and then its signals are grounded, the No. 19 pin of the A/D converter chip is connected with the pin of the logic controller 6, and the No.20 pin of the A/D converter chip is connected with the No.36 pin of the logic controller 6.
0 SAs shown in Figure 9, in the logic controller 6, the No.35 pin of its PLD 0 element is connected with the No.19 pin of the A/D converter chip, the No.36 0 pin of its PLD element is connected with the No.20 pin of the A/D converter C chip, the No.50 pin of its PLD element is connected with the positive pole of the power supply 1, the No.25 pin of its PLD element is grounded, and the No.78 pin of its PLD element is connected with the No.108 pin of the Mcu microcontroller or DSP digital signal processor chip.
As shown in Figures 10 and 11, in the Mcu microcontroller or DSP digital signal processor 7, the No.11 pin of its Mcu microcontroller or DSP digital signal processor chip is connected with the No.5 pin of the program memory chip, the No.13 pin of its Mcu microcontroller or DSP digital signal processor 0 chip is connected with the positive pole of the power supply 1, the No. 14 pin of its Mcu microcontroller or DSP digital signal processor chip is connected with the No.8 pin of the program memory chip, the No.12 pin of its Mcu microcontroller or DSP digital signal processor chip is grounded, the No.4, No.6 and No.7 pins of its Mcu microcontroller DSP digital signal processor chip are respectively connected with the No.l, No.2, No.3 and No.6 pins of the control chip of the Ethernet controller 9.
As it can also be seen in Figure 10, in the program memory 8, the No.6 pin of its program memory chip is connected with the positive pole of the power supply 1, the No.7 pin of its program memory chip is grounded, the No.5 pin of its program memory chip is connected with the No.11 pin of the Mcu microcontroller or DSP digital signal processor chip, and the No.8 pin of its program memory chip is connected with the No.14 pin of the Mcu microcontroller or DSP digital signal processor chip.
The Ethernet combination-type electronic scale instrument of this utility model is an electronic scale instrument which is comprised of one or a plurality of weighing sensor(s) 2 provided with IP address and/or converting box(es) 3 in an Ethernet combination mode. The operation process of it is described as follows.
The analog signals of the weighing sensor 2 on the detected system are output via its No.2 and No.4 leads and enter the No.2 and No.3 pins of the operational amplifier 4; after being amplified by the operational amplifier 4, the analog signals are output from the No.6 pin of the operational amplifier 4 to the A/D analog-to-digital converter 5 where the analog signals are converted into digital signals; the converted digital signals are output from the No.19 and No.20 pins of the A/D analog-to-digital converter 5 to the No.35 and No.36 pins of the logic controller 6; under the control of the Mcu microcontroller or DSP digital signal processor 7, the logic controller 6 output the digital signals D from its No.78 pin to the No.108 pin of the DSP digital signal processor 7; the DSP digital signal processor executes the command of the program memory, performs package processing of data according to TCP/IP, ARP, ICMP and UDP protocols, and sends the same to the computer or the Ethernet dedicated weighing meter 13 through the Ethernet controller 9 and the Ethernet hub or exchanger.
Each of weighing sensors 2 of the Ethernet combination-type electronic scale instrument of this utility model has IP address. Furthermore, remote inspection tour and parameter correction may be performed for the weighing sensors 2. In the process of detection and application, they may test and 0 correct angular difference and make calibration. During maintenance, the whole weighing data of the electronic scale instrument can be unchangeably maintained by inputting original parameters of the weighing sensors 2 through Ethernet. By means of a set of weighing software provided by the manufacturer, the user may independently combine the weighing sensors 2 as various electronic scale instruments. If the volume of the weighing sensor 2 permits, the converting board 3 for converting analog signals of the weighing sensor to Ethernet signals may be assembled in the weighing sensor 2. If the volume of the weighing sensor 2 is relatively small, the analog signals output by the weighing sensor 2 may be transmitted to the converting box 3 through the cable 14 and then converted into Ethernet signals to be output.
With its transmission rate as high as 10Mbps, the Ethernet electronic scale instrument of this utility model is suitable for weighing under dynamic, static and high-speed conditions, for example, as a railway track scale, a truck scale and other electronic scales, and is especially suitable for high-speed dynamic measurements, for example, as a dynamic railway track scale, a dynamic truck scale and a device for detecting overload and unbalance-load of railway freight cars, etc. Due to the considerable increase in the speed of conversion and transmission, the data amount of sampling is improved a lot and therefore the weighing precision of the electronic scale instrument is also improved greatly.
0
IN
IN
Claims (10)
1. An Ethernet combination-type electronic scale instrument, including a S power supply and a weighing sensor provided with IP address, the power supply is bridge power supply and electric power supply, and the weighing sensor is a resistance strain type sensor, wherein the Ethernet S combination-type electronic scale instrument further includes a converting board or converting box that can convert analog signals output by the weighing sensor into digital signals, in which the power supply is respectively connected with the weighing sensor and the converting board or converting box the analog signals output by the weighing sensor (2) enter the signal input end of the converting board or converting box through a cable, the output signals of the converting board or converting box are connected to an Ethernet hub or exchanger (11) through network lines (10) and then connected to a computer or an Ethernet dedicated weighing meter (13) through a network transmission line (12) or a wireless network card.
2. The Ethernet combination-type electronic scale instrument of Claim 1, wherein the converting board or converting box includes an operational amplifier an A/D converter a logic controller a Mcu o microcontroller or DSP digital signal processor a program memory and an Ethernet controller the signal input end of the operational amplifier (4) is connected with the signal output end of the weighing sensor provided with IP address, while the signal output end of the operational amplifier is connected to the Mcu microcontroller or DSP digital signal processor (7) through the A/D converter the output signals of the Mcu microcontroller or DSP digital signal processor are transmitted to the logic controller (6) and the program memory while they are output to the Ethernet controller the Mcu microcontroller or DSP digital signal processor may receive the returned data from the program memory the logic controller is respectively connected with the A/D converter the Mcu microcontroller or DSP digital signal processor and the Ethernet controller for receiving data from the Mcu microcontroller or DSP digital signal processor and simultaneously outputting control signals to the A/D converter and the Ethernet controller the signal output end of the Ethernet controller is connected with the network lines
3. The Ethernet combination-type electronic scale instrument of Claim 1 or 2, wherein the weighing sensor 2 provided with IP address may be a bridge type weighing sensor, a column type weighing sensor or a plug-in type weighing sensor, the number of which is no less than one.
4. The Ethernet combination-type electronic scale instrument of Claim 1 or 2, wherein the converting board or converting box is assembled in the weighing sensor s 5. The Ethernet combination-type electronic scale instrument of Claim 1 or 2, wherein the converting board or converting box is connected to the weighing sensor through a cable (14).
6. The Ethernet combination-type electronic scale instrument of Claim 1 or 2, wherein the operational amplification circuit of the operational amplifier (4) o is comprised of a 12V power supply, a chip INA 128 and a resistance R19, the logic controller is a PLD element, the digital signal processing circuit of the Mcu microcontroller or DSP digital signal processor is comprised of a Mcu microcontroller or DSP digital signal processor chip and a power supply the program memory circuit of the program memory is comprised of a program memory chip and a power supply
7. The Ethernet combination-type electronic scale instrument of Claim 6, wherein the No. 1 lead of the weighing sensor is connected with the positive pole of the power supply the No.2 lead of the weighing sensor 2 is connected with the No.2 pin of the chip INA 128 of the operational amplifier o the No.3 lead of the weighing sensor is grounded, and the No.4 lead of the weighing sensor is connected with the No.3 pin of the chip INA128 of the operational amplifier
8. The Ethernet combination-type electronic scale instrument of Claim 6, wherein the No.7 pin of the chip INA128 of the operational amplifier is connected to the positive pole of the 12V power supply, the No.4 pin of the chip INA128 is connected to the negative pole of the 12V power supply, the No.l and No.8 pins of the chip INA128 are connected with the resistance R19, the No.2 pin of the chip INA128 is connected with the No.2 lead of the weighing sensor the No.3 pin of the chip INA 128 is connected with the No.4 lead of the weighing sensor the No.5 pin of the chip INA 128 is grounded, and the No.6 pin of the chip INA128 after being connected with a resistance R1 in series, is connected to the No.9 pin of the A/D converter
9. The Ethernet combination-type electronic scale instrument of Claim 6, wherein the conversion circuit of the A/D converter is comprised of an A/D converter chip, a resistance R1 and a capacitance C 1; the No.9 pin of the A/D converter chip, after being connected with the resistance R1 in series, is connected to the No.6 pin of the chip INA128 of the operational amplifier at the same time, the No.9 pin of the A/D converter chip is connected with Cl in S series and then its signals are grounded, the No.19 pin of the A/D converter S chip is connected with the No.35 pin of the logic controller and the pin of the A/D converter chip is connected with the No.36 pin of the logic '0 5 controller The Ethernet combination-type electronic scale instrument of Claim 6, S wherein in the logic controller the No.35 pin of its PLD element is connected with the No.19 pin of the A/D converter chip, the No.36 pin of its PLD element is connected with the No.20 pin of the A/D converter chip, the 0 No.50 pin of its PLD element is connected with the positive pole of the power 0 supply the No.25 pin of its PLD element is grounded, and the No.78 pin of S its PLD element is connected with the No.108 pin of the Mcu microcontroller or DSP digital signal processor chip.
11. The Ethernet combination-type electronic scale instrument of Claim 6, wherein in the Mcu microcontroller or DSP digital signal processor the No.11 pin of its Mcu microcontroller or DSP digital signal processor chip is connected with the No.5 pin of the program memory chip, the No. 13 pin of its Mcu microcontroller or DSP digital signal processor chip is connected with the positive pole of the power supply the No. 14 pin of its Mcu microcontroller 0 or DSP digital signal processor chip is connected with the No.8 pin of the program memory chip, the No.12 pin of its Mcu microcontroller or DSP digital signal processor chip is grounded, the No.4, No.5, No.6 and No.7 pins of its Mcu microcontroller or DSP digital signal processor chip are respectively connected with the No. 1, No.2, No.3 and No.6 pins of the control chip of the Ethernet controller
12. The Ethernet combination-type electronic scale instrument of Claim 6, wherein in the program memory the No.6 pin of its program memory chip is connected with the positive pole of the power supply the No.7 pin of its program memory chip is grounded, the No.5 pin of its program memory chip is connected with the No. 11 pin of the Mcu microcontroller or DSP digital signal processor chip, and the No.8 pin of its program memory chip is connected with the No. 14 pin of the Mcu microcontroller or DSP digital signal processor chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2006101090A AU2006101090A4 (en) | 2006-01-26 | 2006-01-26 | Ethernet combination-type electronic scale instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2006101090A AU2006101090A4 (en) | 2006-01-26 | 2006-01-26 | Ethernet combination-type electronic scale instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2006101090A4 true AU2006101090A4 (en) | 2007-07-12 |
Family
ID=38265099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2006101090A Ceased AU2006101090A4 (en) | 2006-01-26 | 2006-01-26 | Ethernet combination-type electronic scale instrument |
Country Status (1)
| Country | Link |
|---|---|
| AU (1) | AU2006101090A4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763046A (en) * | 2020-12-31 | 2021-05-07 | 深圳市晨北科技有限公司 | Precision calibration method for electronic scale, related equipment and storage medium |
-
2006
- 2006-01-26 AU AU2006101090A patent/AU2006101090A4/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763046A (en) * | 2020-12-31 | 2021-05-07 | 深圳市晨北科技有限公司 | Precision calibration method for electronic scale, related equipment and storage medium |
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| FGI | Letters patent sealed or granted (innovation patent) | ||
| MK22 | Patent ceased section 143a(d), or expired - non payment of renewal fee or expiry |