CN2763784Y - Ethernet combined electronic weighing apparatus - Google Patents
Ethernet combined electronic weighing apparatus Download PDFInfo
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- CN2763784Y CN2763784Y CN 200520032802 CN200520032802U CN2763784Y CN 2763784 Y CN2763784 Y CN 2763784Y CN 200520032802 CN200520032802 CN 200520032802 CN 200520032802 U CN200520032802 U CN 200520032802U CN 2763784 Y CN2763784 Y CN 2763784Y
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Abstract
The utility model belongs to the weighing technical field. The utility model particularly relates to an Ethernet combined electronic weighing apparatus. The electronic weighing apparatus comprises a power supply, a weighing sensor, and a converting plate or a converting box of a sensor which is provided with an IP address, wherein the power supply is a power supply for sensors and an electric power supply; the weighing sensor is a resistor strain sensor; the power supply is connected with the weighing sensor and the converting plate or the converting box; an Ethernet controller of the converting plate or the converting box is connected with an Ethernet wire concentrator or an exchanger, and the Ethernet controller of the converting plate or the converting box is connected with a computer or an Ethernet dedicated weighing instrument by a network transmission wire or a wireless network card. The transmission speed rate of the Ethernet combined weighing apparatus of the utility model is as high as 10Mbps. The utility model is suitable for weighing under the dynamic state, the static state, and the high-speed state. Since the converting and transmitting speed is greatly increased, the data volume of samples is greatly increased in a corresponding manner. Accordingly, the weighing precision of the electronic weighing apparatus is also greatly increased.
Description
Technical field:
The utility model belongs to the weighing technology field, particularly be a kind of Ethernet combined electronic weighing apparatus.
Background technology:
Converting digital signal to by the A/D analog to digital converter behind the simulating signal superposition of traditional electronic scale with LOAD CELLS handles.Its simulating signal and transmission circuit poor anti jamming capability also are not easy to detect the situation of each sensor, and the debugging of electronic scale is cumbersome.The electronic scale output of the digital transducer combination of adopting now be RS232 serial line interface signal, speed is slow, generally can only reach 9600bpS, networking inconvenience, can not speed-adaptive higher dynamic weighing and high-precisionly weigh in real time.
The utility model content:
The purpose of this utility model is for overcoming the problem of above-mentioned existence, a kind of Ethernet combined electronic weighing apparatus of weighing under dynamic and static and the high speed conditions that is applicable to being provided.
The technical solution of the utility model is achieved in that
Ethernet combined electronic weighing apparatus of the present utility model, comprise power supply, the analog signal conversion plate or the boxcar (being designated hereinafter simply as change-over panel or boxcar) of LOAD CELLS and the LOAD CELLS output that is set with the IP address, power supply is bridge power supply and power supply, LOAD CELLS is a resistance strain type sensor, change-over panel or boxcar are by power supply, operational amplifier, A/D converter, logic controller, Mcu microcontroller or DSP digital signal processor, program storage, Ethernet controller is formed, power supply connects LOAD CELLS and change-over panel or changes and claims box, the Ethernet controller of change-over panel or boxcar links to each other with Ethernet hub or switch by netting twine, links to each other with computing machine or the special-purpose weighing instrument of Ethernet by Network transmission line or wireless network card again.
The above-mentioned LOAD CELLS that is set with the IP address is at least one.
Above-mentioned change-over panel is assembled in the LOAD CELLS.
Above-mentioned boxcar is connected with LOAD CELLS by cable.
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 electric R1, 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, signal ground behind the 9th pin serial connection C1, 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 Mcu microcontroller or DSP digital signal processor.
The above-mentioned Mcu microcontroller or the digital signal processing circuit of DSP digital signal processor are 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 link to each other with Ethernet controller the 1st, 2,3,6 pin respectively.
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.
Ethernet combined electronic weighing apparatus of the present utility model be a kind of by one or many sensor that is set with the IP address or/and the electronic scale that boxcar adopts the Ethernet combined type to constitute, its course of work is as follows: the simulating signal of the LOAD CELLS on the system under test (SUT) 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 pressed TCP/IP, ARP, ICMP, the udp protocol processing of packing sends to computing machine or the special-purpose weighing instrument of Ethernet by ethernet controller and Ethernet hub or switch.
Each LOAD CELLS of Ethernet combined electronic weighing apparatus of the present utility model has the IP address, can long-rangely patrol and examine LOAD CELLS, corrected parameter.Can test and revise angular difference, demarcation in calibrating with in using.In when maintenance, after the initial parameter input of Ethernet, can guarantee that the electronic scale integral body data of weighing are constant with this LOAD CELLS.Provide a cover weighing software by producer, the user can be about to LOAD CELLS certainly and be combined into various electronic scales.When the volume of LOAD CELLS allows, the analog signal conversion of LOAD CELLS can be become the circuit board group of Ethernet signal to be contained 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 boxcar.
Ethernet electronic scale transfer rate of the present utility model is up to 10MbpS, be applicable to dynamic and static and high speed conditions under weigh as: track scale, truck scale, and other electronic scaless, be particularly useful for the high speed dynamic measurement as dynamic railway truck scale, dynamic automobile scale, the super unbalance-loading detecting device of railway freight-car etc.Because conversion and transmitting speed increase substantially, the data volume of sampling also rolls up accordingly, has therefore also improved the weighing precision of electronic scale significantly.
Description of drawings:
Fig. 1 is the structural representation of Ethernet combined electronic weighing apparatus of the present utility model.
Fig. 2 is the electrical equipment theory diagram of Ethernet combined electronic weighing apparatus of the present utility model.
Fig. 3 is the bridge-type Ethernet load cell structure synoptic diagram of Ethernet combined electronic weighing apparatus of the present utility model.
Fig. 4 is the structural representation of the pillar Ethernet LOAD CELLS of Ethernet combined electronic weighing apparatus of the present utility model.
Fig. 5 is the structural representation of the filling type Ethernet LOAD CELLS of Ethernet combined electronic weighing apparatus of the present utility model.
Fig. 6 is the circuit diagram of the LOAD CELLS of Ethernet combined electronic weighing apparatus of the present utility model.
Fig. 7 is the operational amplification circuit figure of Ethernet combined electronic weighing apparatus of the present utility model.
Fig. 8 is the A/D change-over circuit figure of Ethernet combined electronic weighing apparatus of the present utility model.
Fig. 9 is the circuit diagram of the logic controller of Ethernet combined electronic weighing apparatus of the present utility model.
Figure 10 is the Mcu microcontroller of Ethernet combined electronic weighing apparatus of the present utility model or the circuit diagram of DSP digital signal processor.
Figure 11 is the circuit diagram of the program storage of Ethernet combined electronic weighing apparatus of the present utility model.
The circuit diagram of the Ethernet controller of Figure 12 the utility model Ethernet combined electronic weighing apparatus.
Embodiment:
As Fig. 1, shown in 2, Ethernet electronic scale of the present utility model, comprise power supply 1, the analog signal conversion plate or the boxcar 3 of LOAD CELLS 2 and LOAD CELLS 2 outputs that are set with the IP address, power supply 1 is bridge power supply and power supply, LOAD CELLS 2 is resistance strain type sensors, change-over panel or boxcar 3 are by power supply 1, operational amplifier 4, A/D converter 5, logic controller 6, Mcu microcontroller or DSP digital signal processor 7, program storage 8, Ethernet controller 9 is formed, power supply 1 connects LOAD CELLS 2 and change-over panel or changes and claims box 3, the Ethernet controller 9 of change-over panel or boxcar 3 links to each other with Ethernet hub or switch 11 by netting twine 10, links to each other with computing machine or the special-purpose weighing instrument 13 of Ethernet by Network transmission line 12 or wireless network card again.
Above-mentioned LOAD CELLS 2 is 16, has formed title body and sensor array 15, shown in the dashed rectangle of Fig. 1.
Shown in Fig. 3,4, change-over panel 3 is assembled in respectively in bridge-type, the pillar LOAD CELLS 2, links to each other with Ethernet interchanger or hub 11 by outgoing cable.
As shown in Figure 5, boxcar 3 is connected with LOAD CELLS 2 by cable 14, links to each other with Ethernet interchanger or hub 11 by outgoing cable again.
As shown in Figure 6, 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 7, 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 8, the change-over circuit of 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, signal ground behind the 9th pin serial connection C1, 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 9, logic controller 6 is PLD devices, 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 Mcu microcontroller or DSP digital signal processor 6.
Shown in Figure 10,12, the digital signal processing circuit of Mcu microcontroller or DSP digital signal processor 7 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 link to each other with Ethernet controller 9 the 1st, 2,3,6 pin respectively.
As shown in figure 11, 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.
Ethernet combined electronic weighing apparatus of the present utility model be a kind of by one or many sensor 2 that is set with the IP address or/and the electronic scale that boxcar 3 adopts the Ethernet combined types to constitute, its course of work is as follows: the simulating signal of the LOAD CELLS 2 on the system under test (SUT) 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 executive memory, data are pressed TCP/IP, ARP, ICMP, the udp protocol processing of packing sends to computing machine or the special-purpose weighing instrument 13 of Ethernet by ethernet controller 9 and Ethernet hub or switch.
Each LOAD CELLS 2 of Ethernet combined electronic weighing apparatus of the present utility model has the IP address, can long-rangely patrol and examine LOAD CELLS 2, corrected parameter.Can test and revise angular difference, demarcation in calibrating with in using.In when maintenance, after the initial parameter input of Ethernet, can guarantee that the electronic scale integral body data of weighing are constant with this LOAD CELLS 2.Provide a cover weighing software by producer, the user can be about to LOAD CELLS 2 certainly and be combined into various electronic scales.When the volume of LOAD CELLS 2 allows, the analog signal conversion of LOAD CELLS can be become the circuit board 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 boxcar 3.
Claims (10)
1, a kind of Ethernet combined electronic weighing apparatus, comprise power supply (1), LOAD CELLS (2) and be set with the analog signal conversion plate or the boxcar (3) of LOAD CELLS (2) output of IP address, it is characterized in that power supply (1) is bridge power supply and power supply, LOAD CELLS (2) is a resistance strain type sensor, change-over panel or boxcar (3) are by power supply (1), operational amplifier (4), A/D converter (5), logic controller (6), Mcu microcontroller or DSP digital signal processor (7), program storage (8), Ethernet controller (9) is formed, power supply (1) connects LOAD CELLS (2) and change-over panel or changes and claims box (3), the Ethernet controller (9) of change-over panel or boxcar (3) links to each other with Ethernet hub or switch (11) by netting twine (10), links to each other with computing machine or the special-purpose weighing instrument of Ethernet (13) by Network transmission line (12) or wireless network card again.
2, Ethernet combined electronic weighing apparatus according to claim 1, the LOAD CELLS (2) that it is characterized in that being set with the IP address is at least one.
3, Ethernet combined electronic weighing apparatus according to claim 1 is characterized in that change-over panel (3) is assembled in the LOAD CELLS (2).
4, Ethernet combined electronic weighing apparatus according to claim 1 is characterized in that boxcar (3) is connected with LOAD CELLS (2) by cable (14).
5, according to claim 1 or 3 or 4 described Ethernet combined electronic weighing apparatus, 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).
6, according to claim 1 or 3 or 4 described Ethernet combined electronic weighing apparatus, 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.
7, according to claim 1 or 3 or 4 described Ethernet combined electronic weighing apparatus, 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, signal ground behind the 9th pin serial connection C1, 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).
8, according to claim 1 or 2 or 3 described Ethernet combined electronic weighing apparatus, 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 Mcu microcontroller or DSP digital signal processor (6).
9, according to claim 1 or 3 or 4 described Ethernet combined electronic weighing apparatus, the digital signal processing circuit that it is characterized in that Mcu microcontroller or DSP digital signal processor (7) 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 Ethernet controller (9) the 1st, 2,3,6 pin link to each other.
10, according to claim 1 or 3 or 4 described Ethernet combined electronic weighing apparatus, 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520032802 CN2763784Y (en) | 2005-01-12 | 2005-01-12 | Ethernet combined electronic weighing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520032802 CN2763784Y (en) | 2005-01-12 | 2005-01-12 | Ethernet combined electronic weighing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2763784Y true CN2763784Y (en) | 2006-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520032802 Expired - Lifetime CN2763784Y (en) | 2005-01-12 | 2005-01-12 | Ethernet combined electronic weighing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2763784Y (en) |
Cited By (3)
| 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 |
| WO2012051937A1 (en) * | 2010-10-21 | 2012-04-26 | 北京东方瑞威科技发展有限公司 | Embedded railroad track scale weighing system capable of weighing unbalanced load |
-
2005
- 2005-01-12 CN CN 200520032802 patent/CN2763784Y/en not_active Expired - Lifetime
Cited By (3)
| 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 |
| WO2012051937A1 (en) * | 2010-10-21 | 2012-04-26 | 北京东方瑞威科技发展有限公司 | Embedded railroad track scale weighing system capable of weighing unbalanced load |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150112 Granted publication date: 20060308 |