CN103968230A - Cabinet capacity instrument of piston type gas cabinet - Google Patents
Cabinet capacity instrument of piston type gas cabinet Download PDFInfo
- Publication number
- CN103968230A CN103968230A CN201410212559.0A CN201410212559A CN103968230A CN 103968230 A CN103968230 A CN 103968230A CN 201410212559 A CN201410212559 A CN 201410212559A CN 103968230 A CN103968230 A CN 103968230A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- piston
- encoder
- profibus
- winch
- 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.)
- Pending
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a cabinet capacity instrument of a piston type gas cabinet. The cabinet capacity instrument comprises a winch, a steel wire rope, a coupler, an absolute value Profibus-DP bus type encoder connected with the winch through the coupler, a controller connected with the absolute value Profibus-DP bus type encoder through a communication cable and a data display instrument connected with the controller. One end of the steel wire rope is twined on a winch roller, the other end of the steel wire rope is fixed to a piston of the piston type gas cabinet, and the absolute value Profibus-DP bus type encoder sends coding comprising current code values and code value changing speed to the controller, the controller receives coding and then calculates the height and running speed of the piston, and then the height and the running speed are sent to the data display instrument. The cabinet capacity instrument achieves the aims of accurately measuring the cabinet capacity and the cabinet capacity changing speed and reducing the measuring error.
Description
Technical field
The present invention relates to observation and control technology field, more particularly, relate to a kind of cabinet looks of piston type gas cabinet.
Background technique
In large-scale gas cabinet, be conventionally provided with mechanical type cabinet and hold indicator panel, it includes indicator panel body, winch and speed reducer.Indicator panel body is connected with winch by speed reducer; On the reel of winch, coiling has wire rope, and one end of wire rope is fixed on reel, and the other end is connected with gas chamber piston.When the cabinet appearance of gas cabinet changes, the height of piston produces corresponding change, and then by wire rope, winch and speed reducer, makes the pointer generation corresponding deflection on indicator panel body.
Mechanical type cabinet holds indicator panel only can indicate the appearance that offers for sale, and cannot measure cabinet and hold pace of change; Meanwhile, there is error in technician when reading pointer registration, causes its precision limited.
In order to overcome mechanical type cabinet, hold the defect that indicator panel exists, those skilled in the art have adopted radar finder range or laser distance meter, although it has eliminated the error that artificial reading brings, precision is not high, and the pace of change of still cannot Measurement accuracy cabinet holding.
By the above, how a kind of cabinet looks is provided, to realize, the cabinet of Measurement accuracy piston type gas cabinet holds and cabinet holds pace of change, and the error that reduces to produce in measuring phase, becomes the technical problem that those skilled in the art need solution badly.
Summary of the invention
In view of this, the invention provides the cabinet looks for piston type gas cabinet, to realize, Measurement accuracy cabinet holds and cabinet holds pace of change, reduces the object of measurement error.
For achieving the above object, the invention provides following technological scheme:
A kind of cabinet looks of piston type gas cabinet, comprise winch and wire rope, one end of wire rope is fixed on the piston of piston type gas cabinet, the other end is coiled on the cylinder of winch, also comprises after coupling, transmission include the absolute value Profibus-DP bus-type encoder of the coding of current code value and code value pace of change, received code and calculates height and the motion speed of piston and send the controller of analog signals and the digital display meter that receives analog signals and show;
Coupling connects winch rotating shaft and absolute value Profibus-DP bus-type encoder, and absolute value Profibus-DP bus-type encoder is connected with controller by communication cable, and digital display meter is connected with controller.
Preferably, in above-mentioned cabinet looks, absolute value Profibus-DP bus-type encoder is essential safe type multi-turn absolute value Profibus-DP bus-type encoder.
Preferably, in above-mentioned cabinet looks, controller is S7-300 type PLC.
Preferably, in above-mentioned cabinet looks, controller is according to formula
calculate the height of piston, wherein H is that depth pistion (unit is rice), C are the current code value of encoder, C
0for code value, the C of piston when the lowest order
1the code value variable quantity, the S that for encoder, turn around are that wire rope is around length (unit is rice), the H of winch cylinder one circle
0for the height (unit be rice) of piston when the lowest order.
Preferably, in above-mentioned cabinet looks, controller is according to formula
calculate the motion speed of piston, the motion speed that wherein V is piston (unit for m/min), V ' are encoder code value variable quantity, C per second
1the code value variable quantity, the S that for encoder, turn around are that wire rope is around the length (unit is rice) of winch cylinder one circle.The invention provides a kind of cabinet looks of piston type gas cabinet, comprise winch, wire rope, coupling, the absolute value Profibus-DP bus-type encoder being connected with winch by coupling, by communication cable and absolute value Profibus-DP bus-type the encoder controller being connected and the digital display meter being connected with controller.One end of wire rope is coiled on winch cylinder, and the other end is fixed on the piston of piston type gas cabinet.Absolute value Profibus-DP bus-type encoder sends to controller by the coding that comprises current code value and code value pace of change; Controller calculates height and the motion speed of piston after received code, then sends it to digital display meter.
In cabinet looks provided by the present invention, utilize absolute value Profibus-DP bus-type encoder to gather piston movement data, after utilizing controller to calculate exercise data, send to digital display meter to show, realized Measurement accuracy cabinet appearance and cabinet and held pace of change, reduce the object of measurement error.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention 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 some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 provides the schematic diagram of the cabinet looks of piston type gas cabinet for the embodiment of the present invention;
Fig. 2 transmits sketch for the embodiment of the present invention provides the signal of cabinet looks.
In above Fig. 1-2:
Winch 1, wire rope 2, coupling 3, absolute value Profibus-DP bus-type encoder 4, controller 5, digital display meter 6 and middle control PLC7.
Embodiment
The embodiment of the invention discloses a kind of cabinet looks of piston type gas cabinet, to realize, Measurement accuracy cabinet holds and cabinet holds pace of change, reduces the object of measurement error.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiments.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment who obtains under creative work prerequisite, belong to the scope of protection of the invention.
In the cabinet looks that the embodiment of the present invention provides, as shown in fig. 1, comprise winch 1, wire rope 2, coupling 3, absolute value Profibus-DP bus-type encoder 4, controller 5 and digital display meter 6.
One end of wire rope 2 is fixed on the piston of piston type gas cabinet, and the other end is coiled on the cylinder of winch 1.It will be appreciated by persons skilled in the art that as existing machinery formula cabinet and hold indicator panel, at piston, move up and down in process, winch 1 is wire rope 2 tensions, make length that wire rope 2 is not coiled in part on cylinder with the movement of piston respective change.
Profibus is the abbreviation of Process FieldbusROFIBUS (Process Field Bus), Profibus-DP(Decentralized Periphery) be one of the compatible part of Profibus, it is the low-cost communication of a kind of high speed, for the communication between device level control system and distributing I/O, bus cycles are generally less than 10ms, use the 1st, 2 layers of agreements and user interface, guarantee carrying out fast and effectively of data transmission.Absolute value Profibus-DP bus-type encoder is sampling technique fast based on the modern times and the mechanical gearbox of encoder, meets Profibus-DP standard.
Absolute value Profibus-DP bus-type encoder 4 is connected with the rotating shaft of winch 1 by coupling 3.When the cylinder of winch 1 synchronously rotates with its rotating shaft, absolute value Profibus-DP bus-type encoder 4 also synchronously rotates.
Controller 5 is connected with absolute value Profibus-DP bus-type encoder 4 by communication cable, is also connected with digital display meter 6.
Absolute value Profibus-DP bus-type encoder 4 sends to controller 5 by the coding that comprises current code value and code value pace of change.After controller 5 received codes, according to corresponding relation, calculate height and the motion speed of piston, and send to digital display meter 6 to show result.
In the cabinet looks providing in the embodiment of the present invention, in conjunction with existing machinery formula cabinet, hold indicator panel, by installing with the absolute value Profibus-DP bus-type encoder 4 of winch interlock to gather the movable information of piston, and send it to controller 5 and calculate, result is exported to digital display 6 tables and show.Compare with existing cabinet looks, the cabinet looks that the embodiment of the present invention provides can carry out standard mensuration to cabinet appearance and cabinet appearance pace of change, has reduced error.
Preferably, in the cabinet looks providing at above-described embodiment, absolute value Profibus-DP bus-type encoder adopts essential safe type multi-turn absolute value Profibus-DP bus-type encoder.
As preferred version, controller adopts the S7-300 of SIEMENS type PLC(PLC, Programmable Logic Controller, programmable logic controller (PLC) equally).
As shown in Figure 2, in S7-300 type PLC, be provided with DP bus communication port and analog output channel, DP bus communication port is connected with absolute value Profibus-DP bus-type encoder 4, to receive the coding of its transmission; Analog output channel is communicated with digital display meter 6, in order to transmit computed information.Further, controller 5 also connects by its analog output channel or digital output passage and middle control PLC7, cabinet is held and cabinet holds pace of change and sends to middle control PLC7.
Concrete, in the cabinet looks providing at above-described embodiment, adopt following formula relation to calculate the height of piston.
In above-mentioned formula:
H---depth pistion, unit: rice, m;
C---the code value that encoder is current;
C
0---piston when lowest order, the code value of encoder;
C
1---the code value variable quantity that encoder turns around;
The length that S---wire rope encloses around winch cylinder one, unit: rice, m;
H
0---the height of piston when lowest order, unit: rice, m.
It will be appreciated by persons skilled in the art that above-mentioned formula utilizes this corresponding relation, sets up the equation between depth pistion and encoder code value because the variation of encoder code value and the variable height of piston exist corresponding relation, thereby obtain the height of piston.
Concrete, in the cabinet looks providing at above-described embodiment, according to following formula, calculate the motion speed of piston.
In above-mentioned formula:
The motion speed of V---piston, unit: metre per second (m/s), m/s;
V '---the variable quantity that encoder code value is per second, unit: per second, s
-1;
C
1---the code value variable quantity that encoder turns around;
The length that S---wire rope encloses around winch cylinder one, unit: rice, m.
In above-mentioned formula, utilize the proportionate relationship between encoder code value pace of change and piston motion speed to set up equation, due to gas chamber piston motion speed, generally will take m/min is unit, so be multiplied by 60 in above-mentioned formula.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiments, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To these embodiments' multiple modification, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention 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 (5)
1. the cabinet looks of a piston type gas cabinet, comprise winch and wire rope, one end of described wire rope is fixed on the piston of described piston type gas cabinet, the other end is coiled on the cylinder of described winch, it is characterized in that, also comprise that coupling, transmission include the absolute value Profibus-DP bus-type encoder of the coding of current code value and code value pace of change, receive the digital display meter that calculates height and the motion speed of described piston and send the controller of analog signals and receive described analog signals and show after described coding;
Described coupling connects described winch rotating shaft and described absolute value Profibus-DP bus-type encoder, and described absolute value Profibus-DP bus-type encoder is connected with described controller by communication cable, and described digital display meter is connected with described controller.
2. cabinet looks according to claim 1, is characterized in that, described absolute value Profibus-DP bus-type encoder is essential safe type multi-turn absolute value Profibus-DP bus-type encoder.
3. cabinet looks according to claim 1, is characterized in that, described controller is S7-300 type PLC.
4. cabinet looks according to claim 2, is characterized in that, described controller is according to formula
calculate the height of piston, wherein H is that depth pistion (unit is rice), C are the current code value of encoder, C
0for code value, the C of piston when the lowest order
1the code value variable quantity, the S that for encoder, turn around are that wire rope is around length (unit is rice), the H of winch cylinder one circle
0for the height (unit be rice) of piston when the lowest order.
5. cabinet looks according to claim 2, is characterized in that, described controller is according to formula
calculate the motion speed of piston, the motion speed that wherein V is piston (unit for m/min), V ' are encoder code value variable quantity, C per second
1the code value variable quantity, the S that for encoder, turn around are that wire rope is around the length (unit is rice) of winch cylinder one circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410212559.0A CN103968230A (en) | 2014-05-20 | 2014-05-20 | Cabinet capacity instrument of piston type gas cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410212559.0A CN103968230A (en) | 2014-05-20 | 2014-05-20 | Cabinet capacity instrument of piston type gas cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103968230A true CN103968230A (en) | 2014-08-06 |
Family
ID=51238066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410212559.0A Pending CN103968230A (en) | 2014-05-20 | 2014-05-20 | Cabinet capacity instrument of piston type gas cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103968230A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596728A (en) * | 2015-02-05 | 2015-05-06 | 重庆大学 | Large gas chamber piston aeroelastic model design method based on coal gas internal pressure |
| CN113867254A (en) * | 2021-10-22 | 2021-12-31 | 山信软件股份有限公司 | Height encoder online verification method and system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201103790Y (en) * | 2007-09-20 | 2008-08-20 | 广东韶钢松山股份有限公司 | Digital cabinet digit meter |
| CN201651770U (en) * | 2010-04-23 | 2010-11-24 | 江苏环能工程有限公司 | Gas cabinet measuring and controlling instrument |
| CN201789336U (en) * | 2010-07-02 | 2011-04-06 | 镇江西门子母线有限公司 | Remote service device for bus bar products |
| CN201867634U (en) * | 2010-10-26 | 2011-06-15 | 岳阳智鑫电子科技有限公司 | Rail hoisting automatic management control system |
| JP2012215216A (en) * | 2011-03-31 | 2012-11-08 | Asahi Seisakusho Co Ltd | Method of reusing small gas container |
| CN202746922U (en) * | 2012-07-31 | 2013-02-20 | 武汉钢铁(集团)公司 | Detection device of gas chamber position |
| CN103468860A (en) * | 2013-09-16 | 2013-12-25 | 莱芜钢铁集团有限公司 | Device and method for metering calorific value of converter gas |
-
2014
- 2014-05-20 CN CN201410212559.0A patent/CN103968230A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201103790Y (en) * | 2007-09-20 | 2008-08-20 | 广东韶钢松山股份有限公司 | Digital cabinet digit meter |
| CN201651770U (en) * | 2010-04-23 | 2010-11-24 | 江苏环能工程有限公司 | Gas cabinet measuring and controlling instrument |
| CN201789336U (en) * | 2010-07-02 | 2011-04-06 | 镇江西门子母线有限公司 | Remote service device for bus bar products |
| CN201867634U (en) * | 2010-10-26 | 2011-06-15 | 岳阳智鑫电子科技有限公司 | Rail hoisting automatic management control system |
| JP2012215216A (en) * | 2011-03-31 | 2012-11-08 | Asahi Seisakusho Co Ltd | Method of reusing small gas container |
| CN202746922U (en) * | 2012-07-31 | 2013-02-20 | 武汉钢铁(集团)公司 | Detection device of gas chamber position |
| CN103468860A (en) * | 2013-09-16 | 2013-12-25 | 莱芜钢铁集团有限公司 | Device and method for metering calorific value of converter gas |
Non-Patent Citations (2)
| Title |
|---|
| 李明等: "编码器在煤气柜柜容检测***中的应用", 《自动化与仪器仪表》, no. 3, 25 May 2013 (2013-05-25), pages 136 - 137 * |
| 陈忠平: "《西门子S7-300/400系列PLC自学手册》", 31 January 2010, article "西门子S7-300/400系列PLC自学手册" * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596728A (en) * | 2015-02-05 | 2015-05-06 | 重庆大学 | Large gas chamber piston aeroelastic model design method based on coal gas internal pressure |
| CN104596728B (en) * | 2015-02-05 | 2017-03-08 | 重庆大学 | A kind of large-scale gas chamber piston air spring pole method for designing based on coal gas internal pressure |
| CN113867254A (en) * | 2021-10-22 | 2021-12-31 | 山信软件股份有限公司 | Height encoder online verification method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203785651U (en) | Continuous displacement monitoring device and continuous displacement monitoring system | |
| CN103712619B (en) | A kind of high accuracy plotting control method based on Track Plotter | |
| EP3056873B1 (en) | Electromagnetic flowmeter | |
| CN103968230A (en) | Cabinet capacity instrument of piston type gas cabinet | |
| CN102680728A (en) | Motor rotation speed measuring method used in precise electromechanical equipment | |
| CN104389580A (en) | Daily fluid output measuring method of rod-pumped well based on loading force | |
| CN101935737A (en) | Device for integrally detecting height of oxygen lance height and looseness and tightness of steel wire rope of oxygen gun | |
| CN107576431A (en) | A kind of mechanical hydraulic-pressure type planetary mechanism surveys torquer | |
| CN105329788A (en) | Uniform velocity amplitude-varying control method for jib crane | |
| CN108507637B (en) | Anti-electromagnetic interference analog quantity signal accurate measurement and acquisition method | |
| CN202081883U (en) | Depth encoder used for measuring well depth | |
| CN104481499A (en) | Electrical parameter based rod pumped well daily fluid production capacity measuring method | |
| CN108759616A (en) | A kind of meter counter with compensation function | |
| CN104536381B (en) | A kind of system and method for being used to measure multi-shaft motion control system profile errors | |
| CN102169339B (en) | Method for filing and displaying coupling screwed torsion graph in real time | |
| CN108592955B (en) | A kind of multi-turn absolute value encoder and its measurement method | |
| CN202838035U (en) | Remote digital controller for steering engine | |
| CN202648708U (en) | Flow and position indicator | |
| CN202093336U (en) | Multi-interface information processing device capable of supporting semi-closed loop control and full-closed loop control | |
| CN111522289B (en) | PLC-based servo motion control system and method and VR equipment | |
| CN107102162A (en) | Rotary shaft rotating speed measuring method and device | |
| CN104601061A (en) | Ethernet-based motor controller and control system | |
| CN103868439B (en) | The method of multi-turn angular travel measuring apparatus and measurement multi-turn angular travel thereof | |
| CN204007706U (en) | A kind of torque of torque of valve electric device testing table and stroke test structure | |
| CN110792429A (en) | Method for encoding downhole data by simultaneously utilizing positive and negative pressure pulses and transmission method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140806 |