CN203730885U - Valve positioner - Google Patents
Valve positioner Download PDFInfo
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- CN203730885U CN203730885U CN201320833376.1U CN201320833376U CN203730885U CN 203730885 U CN203730885 U CN 203730885U CN 201320833376 U CN201320833376 U CN 201320833376U CN 203730885 U CN203730885 U CN 203730885U
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- data
- processing unit
- acquisition circuit
- resistance
- data processing
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Abstract
The utility model discloses a valve positioner. A signal acquisition circuit, a data storage unit and a pressure sensor are arranged outside a main control panel, only a data processing unit is arranged on the main control panel, and therefore calibration data can be acquired through the data processing unit and stored in the data storage unit located outside the main control panel. According to the scheme, because the calibration data are stored in the data storage unit located outside the main control panel, the process of recalibrating the pressure sensor is omitted when the valve positioner is in use or the main control panel needs to be replaced, it is achieved that the calibration data are directly read from the data storage unit without recalibration, and time and labor are saved for operating personnel.
Description
Technical field
The utility model relates to valve field, relates in particular to a kind of valve positioner.
Background technique
Valve positioner is the main accessories of modulating valve, and common and pneumatic control valve supports the use.
When the master control borad of valve positioner goes wrong need to change time, after the master control borad of valve positioner is changed, need to again demarcate to pressure transducer waste of manpower and time.
As the valve positioner of Fisher, while use, all need again pressure transducer to be demarcated at every turn, waste time and energy.
Model utility content
In view of this, the utility model provides a kind of valve positioner, change after master control borad to solve in prior art, and the problem that need to again demarcate pressure transducer, its concrete scheme is as follows:
A kind of valve positioner, comprising: data processing unit, and the data storage cell being connected with described data processing unit, the signal acquisition circuit being connected with described data processing unit, the first pressure transducer being connected with described signal acquisition circuit,
Described signal acquisition circuit is arranged on outside master control borad, gathers the nominal data of described the first pressure transducer, and the described nominal data collecting is sent;
Described data processing unit is arranged on master control borad, receives the nominal data that described signal acquisition circuit sends, and the nominal data receiving is processed, and sent;
Described data storage cell is arranged on outside master control borad, receives the nominal data after treatment that described data processing unit sends, and the described nominal data after treatment receiving is stored;
When master control borad is changed or uses, the nominal data of data processing unit reading out data memory cell storage.
Further, comprising: described the first pressure transducer is arranged on outside master control borad, gather the air feed data of valve positioner outside.
Further, also comprise: the second pressure transducer being connected with described signal acquisition circuit,
Described the second pressure transducer is arranged on outside master control borad, gathers the barometric information of valve positioner output.
Further, described signal acquisition circuit comprises: operational amplifier, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the first electric capacity, the second electric capacity,
When the input end grounding of described data acquisition circuit, be connected with the second pin, the 3rd pin of operational amplifier respectively by the first resistance, the second resistance;
The 7th pin, the 8th pin of described operational amplifier pass through the first capacity earth simultaneously;
When the 4th pin of described operational amplifier, the 5th pin ground connection, be connected with the 6th pin of described operational amplifier by the 3rd resistance, the 4th resistance, the 6th pin of described operational amplifier by the 5th resistance that is in parallel and the second capacity earth time, is connected with data processing unit.
Further, described data storage cell comprises: storage chip, and the 6th resistance, the 3rd electric capacity,
The 3rd pin of described storage chip connects the 6th resistance, and the 8th pin of described storage chip is by the 3rd capacity earth.
Further, described storage chip is specially: EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM.
Further, described signal acquisition circuit comprises:
The first data acquisition circuit being connected with described the first pressure transducer, the second data acquisition circuit being connected with described the second pressure transducer.
Further, described signal acquisition circuit is connected with described data processing unit, is specially:
Described signal acquisition circuit is connected by connector with described data processing unit.
Further, described signal acquisition circuit is connected with described data processing unit, is specially:
Described signal acquisition circuit is connected by connecting line with described data processing unit.
Further, described data processing unit is connected with described data storage cell, specifically comprises:
Described data processing unit is connected by connector with described data storage cell.
Can find out from technique scheme, the disclosed valve positioner of the utility model and pressure sensor calibrating method, by signal acquisition circuit, data storage cell, pressure transducer are arranged on outside master control borad, only data processing unit is arranged on master control borad, thereby gather nominal data by data processing unit, and nominal data is stored in to the data storage cell being arranged in outside master control borad.This programme is by being stored in nominal data the data storage cell being arranged in outside master control borad, avoid in use or changed in the process of master control borad, the process that need to again demarcate pressure transducer, realize and directly from data storage cell, read nominal data, without the process of again demarcating, save operator's time, time saving and energy saving.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the disclosed a kind of valve positioner of the utility model embodiment;
Fig. 2 is the circuit structure diagram of the disclosed a kind of signal acquisition circuit of the utility model embodiment;
Fig. 3 is the circuit structure diagram of the disclosed a kind of data storage cell of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
The present embodiment discloses a kind of valve positioner, and its structural representation as shown in Figure 1, comprising:
Data processing unit 11, the data storage cell 12 being connected with data processing unit 11, the signal acquisition circuit 13 being connected with data processing unit 11, the first pressure transducer 14 being connected with signal acquisition circuit 13.
Wherein, data processing unit 11 is connected by connecting line or connector with signal acquisition circuit 13; Data processing unit 11 is connected by connecting line or connector with data storage cell 12.
Data processing unit 11 is arranged on master control borad, and data storage cell 12, signal acquisition circuit 13, the first pressure transducer 14 are arranged on outside master control borad.
Signal acquisition circuit 13 gathers the nominal data of the first pressure transducer 14, and the nominal data collecting is sent.
Data processing unit 11 receives the nominal data that signal acquisition circuit 13 sends, and the nominal data receiving is processed, and sent.
Data storage cell 12 receives the nominal data after treatment that data processing unit sends, and the nominal data after treatment receiving is stored.
In the time master control borad being changed or used, in data processing unit 11 reading out data storage unit 12, the nominal data of storage, is directly used.
The disclosed valve positioner of the present embodiment, by signal acquisition circuit, data storage cell, pressure transducer are arranged on outside master control borad, only data processing unit is arranged on master control borad, thereby gather nominal data by data processing unit, and nominal data is stored in to the data storage cell being arranged in outside master control borad.This programme is by being stored in nominal data the data storage cell being arranged in outside master control borad, avoid in use or changed in the process of master control borad, the process that need to again demarcate pressure transducer, realize and directly from data storage cell, read nominal data, without the process of again demarcating, save operator's time, time saving and energy saving.
Wherein, the first pressure transducer 14 is for gathering the air feed data of valve positioner outside, i.e. the air inlet data of valve positioner.
Further, the disclosed valve positioner of the present embodiment, can also comprise: the second pressure transducer 15.
The second pressure transducer 15 is arranged on outside middle master control borad, for gathering the barometric information of valve positioner output, i.e. the exhaust data of valve positioner.
Preferably, in the disclosed valve positioner of the present embodiment, comprise two pressure transducers, accordingly, the disclosed valve positioner of the present embodiment can arrange two signal acquisition circuits, be respectively used to gather the data of the first pressure transducer, the second pressure transducer, and store respectively in data storage cell, making nominal data and the pressure transducer in data storage cell, stored is one to one.
The present embodiment discloses a kind of signal acquisition circuit, and its map of current as shown in Figure 2, comprising:
Operational amplifier U1, the first resistance R 1, the second resistance R 2, the three resistance R 3, the four resistance R 4, the five resistance R 5, the first capacitor C 1, the second capacitor C 2.
When the input end grounding of signal acquisition circuit, be connected with the second pin, the 3rd pin of operational amplifier U1 respectively by the first resistance R 1, the second resistance R 2.
Wherein, the second pin of the first resistance R 1, the second resistance R 2 operational amplifier U1, the 3rd pin ground connection connected time, is in order to realize when without input, the object in school zero.
The 7th pin, the 8th pin of operational amplifier U1 pass through the first capacitor C 1 ground connection simultaneously.
When the 4th pin of operational amplifier U1, the 5th pin ground connection, be connected with the 6th pin of operational amplifier U1 by the 3rd resistance R 3, the 4th resistance R 4, the 6th pin of operational amplifier U1 by the 5th resistance R 5 that is in parallel and the second capacitor C 2 ground connection time, is connected with data processing unit.
The disclosed signal acquisition circuit of the present embodiment, by being connected of operational amplifier and resistance capacitance, has realized the output that the input of differential signal is converted to analogue signal, has realized and has gathered the data of pressure transducer, and be sent to the process of data processing unit.
Further, in the time there is two paths of signals Acquisition Circuit, its circuit structure is identical.
Wherein, also can Wei Yi road signal acquisition circuit, just in signal acquisition circuit, comprise two data acquisition circuits.
The first data acquisition circuit is connected with the first pressure transducer, gathers the data of the first pressure transducer; The second data acquisition circuit is connected with the second pressure transducer, gathers the data of the second pressure transducer.Signal acquisition circuit carries out the collection of data to the first pressure transducer, the second pressure transducer respectively, is convenient to the first pressure transducer, the processing of the second pressure sensor data, storage.
The present embodiment discloses a kind of data storage cell, and its circuit structure as shown in Figure 3, comprising:
Storage chip D1, the 6th resistance R 6, the three capacitor C 3.
The 3rd pin of storage chip D1 connects the 6th resistance R 6, and the 8th pin of storage chip D1 is by the 3rd capacitor C 3 ground connection.
Wherein, storage chip D1 is EEPROM(Electrically Erasable Programmable Read-Only Memory, EEPROM (Electrically Erasable Programmable Read Only Memo)).
The disclosed data storage cell of the present embodiment, be arranged at outside master control borad, realize the classification storage of the nominal data that data processing unit is sent by storage chip EEPROM, while having avoided master control borad to change, need to again demarcate pressure transducer.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and other embodiments' difference, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to these embodiments' multiple amendment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a valve positioner, is characterized in that, comprising: data processing unit, the data storage cell being connected with described data processing unit, the signal acquisition circuit being connected with described data processing unit, the first pressure transducer being connected with described signal acquisition circuit
Described signal acquisition circuit is arranged on outside master control borad, gathers the nominal data of described the first pressure transducer, and the described nominal data collecting is sent;
Described data processing unit is arranged on master control borad, receives the nominal data that described signal acquisition circuit sends, and the nominal data receiving is processed, and sent;
Described data storage cell is arranged on outside master control borad, receives the nominal data after treatment that described data processing unit sends, and the described nominal data after treatment receiving is stored;
When master control borad is changed or uses, the nominal data of data processing unit reading out data memory cell storage.
2. valve positioner according to claim 1, is characterized in that, comprising: described the first pressure transducer is arranged on outside master control borad, gathers the air feed data of valve positioner outside.
3. valve positioner according to claim 1, is characterized in that, also comprises: the second pressure transducer being connected with described signal acquisition circuit,
Described the second pressure transducer is arranged on outside master control borad, gathers the barometric information of valve positioner output.
4. valve positioner according to claim 1, is characterized in that, described signal acquisition circuit comprises: operational amplifier, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the first electric capacity, the second electric capacity,
When the input end grounding of described data acquisition circuit, be connected with the second pin, the 3rd pin of operational amplifier respectively by the first resistance, the second resistance;
The 7th pin, the 8th pin of described operational amplifier pass through the first capacity earth simultaneously;
When the 4th pin of described operational amplifier, the 5th pin ground connection, be connected with the 6th pin of described operational amplifier by the 3rd resistance, the 4th resistance, the 6th pin of described operational amplifier by the 5th resistance that is in parallel and the second capacity earth time, is connected with data processing unit.
5. valve positioner according to claim 1, is characterized in that, described data storage cell comprises: storage chip, and the 6th resistance, the 3rd electric capacity,
The 3rd pin of described storage chip connects the 6th resistance, and the 8th pin of described storage chip is by the 3rd capacity earth.
6. valve positioner according to claim 5, is characterized in that, described storage chip is specially: EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM.
7. valve positioner according to claim 3, is characterized in that, described signal acquisition circuit comprises:
The first data acquisition circuit being connected with described the first pressure transducer, the second data acquisition circuit being connected with described the second pressure transducer.
8. valve positioner according to claim 1, is characterized in that, described signal acquisition circuit is connected with described data processing unit, is specially:
Described signal acquisition circuit is connected by connector with described data processing unit.
9. valve positioner according to claim 1, is characterized in that, described signal acquisition circuit is connected with described data processing unit, is specially:
Described signal acquisition circuit is connected by connecting line with described data processing unit.
10. valve positioner according to claim 1, is characterized in that, described data processing unit is connected with described data storage cell, specifically comprises:
Described data processing unit is connected by connector with described data storage cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320833376.1U CN203730885U (en) | 2013-12-17 | 2013-12-17 | Valve positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320833376.1U CN203730885U (en) | 2013-12-17 | 2013-12-17 | Valve positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730885U true CN203730885U (en) | 2014-07-23 |
Family
ID=51200960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320833376.1U Withdrawn - After Issue CN203730885U (en) | 2013-12-17 | 2013-12-17 | Valve positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730885U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672099A (en) * | 2013-12-17 | 2014-03-26 | 重庆川仪自动化股份有限公司 | Valve positioner and pressure sensor calibration method |
| CN105276280A (en) * | 2015-11-19 | 2016-01-27 | 徐州阿卡控制阀门有限公司 | Valve positioner with memory function and valve fault self-diagnosis method |
| CN107131352A (en) * | 2017-04-27 | 2017-09-05 | 苏州虞创智能仪表科技有限公司 | A kind of collection data storage, video monitoring, the intellective electropneumatic valve positioner of signal feedback function |
-
2013
- 2013-12-17 CN CN201320833376.1U patent/CN203730885U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672099A (en) * | 2013-12-17 | 2014-03-26 | 重庆川仪自动化股份有限公司 | Valve positioner and pressure sensor calibration method |
| CN105276280A (en) * | 2015-11-19 | 2016-01-27 | 徐州阿卡控制阀门有限公司 | Valve positioner with memory function and valve fault self-diagnosis method |
| CN107131352A (en) * | 2017-04-27 | 2017-09-05 | 苏州虞创智能仪表科技有限公司 | A kind of collection data storage, video monitoring, the intellective electropneumatic valve positioner of signal feedback function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140723 Effective date of abandoning: 20160504 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |