CN201340410Y - Device for testing foaming performance of foaming agent - Google Patents
Device for testing foaming performance of foaming agent Download PDFInfo
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- CN201340410Y CN201340410Y CNU200820170099XU CN200820170099U CN201340410Y CN 201340410 Y CN201340410 Y CN 201340410Y CN U200820170099X U CNU200820170099X U CN U200820170099XU CN 200820170099 U CN200820170099 U CN 200820170099U CN 201340410 Y CN201340410 Y CN 201340410Y
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Abstract
The utility model discloses a device for testing the foaming performance of a foaming agent, comprising a case body, a heating and foam-forming part and a gas-forming amount detecting part, wherein the gas-forming amount detecting part comprises a communicating pipe, a fixed part, a movable fixed part, a down-up moving mechanism, a test pipeline, a differential pressure transmitter and a controller; liquid is filled in the communicating pipe; the outer rings of two single pipes of the communicating pipe are respectively sleeved at the fixed part and the movable fixed part; one of the single pipes of the communicating pipe is fixed on the outer wall of the case body by the fixed part, and the other one is fixed in a loosing way by the movable fixed part; the down-up moving mechanism is connected with the movable fixed part; the single pipe fixed by the fixed part, the heating and foam-forming part and the differential pressure transmitter are connected by the test pipeline; the single pipe fixed by the movable fixed part is communicated with air; and the controller is connected with the differential pressure transmitter, the down-up moving mechanism and the heating and foam-forming part. The device has the advantages of reasonable structure, scientific principle, high test automation and the like.
Description
Technical field
The utility model relates to a kind of pick-up unit, and particularly a kind of gas-development agent foam performance pick-up unit is used for the experiment of quality testing of gas-development agent industry product and new product, intelligent the get angry foam performance of process of gas-development agent that detects.
Background technology
Prior art gas-development agent foam performance detects and singly carries out the detection of gas-development agent gas forming amount, this detects the scale value mode that eudiometer is manually read in most employing, perhaps utilize the simple numerical table and paper registering instrument record is arranged, detect data and do not do further electronic analyzing and processing.There is following shortcoming in prior art: it is incomplete 1, to detect index.In the gas-development agent testing process, the detection method that adopts can only detect final gas forming amount usually.Even if adopt the control of numerical control table and registering instrument, the data of record also are only limited to and are recorded on the paper media, and it is more coarse to detect data, is unfavorable for further processing, can't follow the tracks of detection for the whole conditional curve of getting angry of gas-development agent.2, the heating process curve is uncontrollable.Different gas-development agents need adopt corresponding heating curves, in manual detection system or simple numerical control table detection system, has only simple pid control function, and heating process curve controlled function can't be provided.3, automaticity is low.Because adopt manual type or elementary automatic instrument to form detection system, most is manually-operated, introduces personal error easily, the precision of detection and repeatability can not get guaranteeing.
Summary of the invention
Technical problem to be solved in the utility model is, overcomes the defective that prior art exists, and a kind of intelligent get angry gas-development agent foam performance pick-up unit of foam performance in the process of gas-development agent that detects is provided.
The technical scheme in the invention for solving the above technical problem is: this gas-development agent foam performance pick-up unit, its design feature is: comprise casing, foamable part and gas forming amount test section, gas forming amount test section and foamable partly are connected, described gas forming amount test section comprises communicating pipe, fixture, the movable fixed part, reciprocating mechanism, measuring channel, differential pressure transmitter and controller, in described communicating pipe liquid is housed, two single tube outer rings of communicating pipe are with fixture and movable fixed part respectively, fixture is fixed on the single tube of communicating pipe on the cabinet exterior, the movable fixed part is installed on the cabinet exterior the another single tube of communicating pipe is active, reciprocating mechanism is connected with the movable fixed part, the fixing single tube of fixture in communicating pipe, the foamable part, the differential pressure transmitter three links to each other by measuring channel, the fixing single tube of movable fixed part communicates controller and differential pressure transmitter in communicating pipe with atmosphere, reciprocating mechanism, foamable partly connects.
The described reciprocating mechanism of the utility model gas-development agent foam performance pick-up unit comprises stepper motor drives, step motor and screw mandrel, described stepper motor drives links to each other with controller, step motor, step motor links to each other with screw mandrel, and screw mandrel is connected with the movable fixed part.
The described foamable of the utility model gas-development agent foam performance pick-up unit partly comprises gas-development agent cooking-vessel, electric heater, electrical heating driver and thermopair, described electrical heating driver links to each other with controller, electric heater, electric heater is positioned at below the gas-development agent cooking-vessel, thermopair links to each other with controller, the detecting head of thermopair is positioned at the gas-development agent cooking-vessel, and fixing single tube, the differential pressure transmitter three of fixture links to each other by measuring channel in gas-development agent cooking-vessel and communicating pipe.Controller is according to the lifting/lowering temperature of the temperature curve control electric heater of given gas-development agent foamable.
Described communicating pipe of the utility model gas-development agent foam performance pick-up unit, two single tubes adopted two cylindrical tube, and were parallel to each other and are fixed on the cabinet exterior.
The described controller JA(junction ambient) of gas-development agent foam performance pick-up unit of the present utility model temperature thermopair.Environment temperature thermocouple measurement environment temperature is to revise the temperature error.
The utility model compared with prior art has the following advantages: this gas-development agent foam performance pick-up unit has designed the gas forming amount test section that differential pressure transmitter, communicating pipe, step motor and controller constitute, and detects the gas forming amount of gas-development agent automatically; Adopt the heating-up temperature of controller according to given heating curves control gas-development agent; Pick-up unit is rational in infrastructure, the principle science, detects the automaticity height.This gas-development agent foam performance pick-up unit has been realized temperature control in the gas-development agent heating process, the whole process gas forming amount of getting angry is followed the tracks of detection, be convenient to better detect and study the index and the characteristic of gas-development agent, for improving the robotization detection level of gas-development agent manufacturing enterprise, guarantee that gas-development agent quality, increase economic benefit provide bigger help.
Description of drawings
Accompanying drawing is the utility model embodiment gas-development agent foam performance pick-up unit structural representation block diagram.
Embodiment
Below by embodiment, in conjunction with the accompanying drawings the utility model is further elaborated.
Referring to accompanying drawing, embodiment gas-development agent foam performance pick-up unit comprises casing 13, foamable part I and gas forming amount test section II, and gas forming amount test section II and foamable part I are connected.
Foamable part I comprises gas-development agent cooking-vessel 10, electric heater 12, electrical heating driver 11 and thermopair 9.Single tube 1a, differential pressure transmitter 7 threes link to each other by measuring channel 8 in gas-development agent cooking-vessel 10 and communicating pipe 1.Electric heater 12 is positioned at below the gas-development agent cooking-vessel 10, and the detecting head of thermopair 9 is positioned at gas-development agent cooking-vessel 10, and electrical heating driver 11 links to each other with controller 5, electric heater 12, and thermopair 9 links to each other with controller 5.The embodiment gas-development agent adopts the oil bath heating.During work, thermopair 9 detection signals are sent into controller 5, controller 5 control electrical heating drivers 11,12 heating and cooling of electrical heating driver 11 control electric heaters, the gas-development agent in the electric heater 12 foamable agent cooking-vessels 10.
Gas forming amount test section II comprises communicating pipe 1, fixture 1c, movable fixed part 1d, reciprocating mechanism, measuring channel 8, differential pressure transmitter 7 and controller 5.Controller 5 is connected with the gas-development agent cooking-vessel 10 of differential pressure transmitter 7, reciprocating mechanism, foamable part I.In communicating pipe 1 liquid is housed, two single tube 1a, the 1b of communicating pipe 1 adopt two cylindrical tube, single tube 1a, 1b outer ring are with fixture 1c and movable fixed part 1d respectively, fixture 1c is fixed on single tube 1a on casing 13 outer walls, movable fixed part 1d is installed on casing 13 outer walls single tube 1b is active, single tube 1a, the 1b installation that is parallel to each other.Reciprocating mechanism is connected with movable fixed part 1d, the embodiment reciprocating mechanism adopts step motor to drive, this reciprocating mechanism comprises stepper motor drives 4, step motor 3 and screw mandrel 2, stepper motor drives 4 links to each other with controller 5, step motor 3, controller 5 control step motor drivers 4, stepper motor drives 4 control step motors 3, step motor 3 links to each other with screw mandrel 2, and screw mandrel 2 is connected with movable fixed part 1d.Gas-development agent cooking-vessel 10, the differential pressure transmitter 7 of fixture 1c is fixing in communicating pipe 1 single tube 1a, foamable part I are connected by the measuring channel 8 that threeway is housed, and the single tube 1b that movable fixed part 1d is fixing in communicating pipe 1 communicates with atmosphere.When step motor 3 rotates, step motor 3 drives screw mandrel 2, screw mandrel 2 drives movable fixed part 1d and moves up and down, and the movable fixed part 1d that moves up and down drives and the moving up and down of its fixing communicating pipe single tube 1b, and makes that air pressure equates with atmospheric pressure in the measuring channel 8.
Embodiment gas-development agent foam performance pick-up unit also is provided with environment temperature thermopair 6, controller 5 JA(junction ambient) temperature thermopairs 6.The ambient temperature signal that environment temperature thermopair 6 detects is sent into controller 5, is used for the temperature error correction, improves the accuracy of detection of gas forming amount.
During detection, at first start foamable part I, according to given gas-development agent foamable temperature curve control electrical heating driver 11, and then the electric heater 12 of control foamable agent cooking-vessel 10 carries out the lifting/lowering temperature, controls the heating-up temperature of gas-development agent in real time by controller 5.The gas that gas-development agent heating back takes place enters the single tube 1a of connecting pipe 1 through measuring channel 8, Pneumatic pipe cleaner is crossed differential pressure transmitter 7 and is detected, detected value is sent into controller 5, controller 5 control step motor drivers 4, stepper motor drives 4 drives step motor 3, and the single tube 1b that drives communicating pipe 1 by screw mandrel 2 moves up and down, and makes liquid level lifting thereupon among the single tube 1a, so that in the measuring channel 8, also be that air pressure equates with atmospheric pressure among the single tube 1b among the single tube 1a.The step motor 3 that embodiment uses is that 400 step/circles, every circle advance 5mm, the number of steps of accumulating for the distance of finishing single tube 1b and moving up and down owing to step motor 3 is proportional to the gas forming amount of gas-development agent, and controller 5 draws gas forming amount according to moving height, number of steps and step motor parameter by conversion.The utility model general measure is for 1 time 0.1s, is continuous coverage.Thermopair 9 detects the heating-up temperature of gas-development agent in the gas-development agent cooking-vessel 10, environment temperature thermopair 6 testing environment temperature, and the two records signal and all sends into controller 5, is respectively applied for the temperature error correction of the gentle testing result of lifting/lowering of control electric heater 12.
The utility model gas-development agent foam performance pick-up unit is except disposing high-precision pressure and temp detection and topworks; Simultaneously, also be provided with stored record interface and employing field bus communication mode.Have jumbo USB flash disk interface, be used for repeatedly experimental data of recorded and stored, these experimental datas both can be uploaded to the controller display process in real time, also can read by card reader, for the usefulness of preservation and analysis afterwards; Transmission control system instruction and upload data under the field bus communication mode.In addition, the characteristics that the applicant detects at the gas-development agent process of getting angry, developed the gas-development agent intelligent checking system of cover based on advanced control algorithm, adopt the DMC predictive control algorithm to replace common PID control, still can guarantee precise dose control when externally drift takes place for environment and systematic parameter, reach enough control accuracies.This gas-development agent process of getting angry detects to be had: 1, preestablish gas-development agent foamable temperature curve, because various plastics heating process curves have nothing in common with each other, the process of getting angry of gas-development agent under the corresponding heating curves that detection matches, be used to choose optimal gas-development agent, perhaps improve the family curve of gas-development agent.2, detection, controlling index are comprehensive, except the gas forming amount index that detects final gas-development agent, to temperature in the process of getting angry, gas forming amount, heat time heating time index such as curve all control.3, heating curves had both been controlled in testing process robotization, intellectuality in the testing process, write down dynamic gas forming amount index again, and the preservation data are for further processing.
Claims (5)
1, a kind of gas-development agent foam performance pick-up unit, it is characterized in that: comprise casing, foamable part and gas forming amount test section, gas forming amount test section and foamable partly are connected, described gas forming amount test section comprises communicating pipe, fixture, the movable fixed part, reciprocating mechanism, measuring channel, differential pressure transmitter and controller, in described communicating pipe liquid is housed, two single tube outer rings of communicating pipe are with fixture and movable fixed part respectively, fixture is fixed on the single tube of communicating pipe on the cabinet exterior, the movable fixed part is installed on the cabinet exterior the another single tube of communicating pipe is active, reciprocating mechanism is connected with the movable fixed part, the fixing single tube of fixture in communicating pipe, the foamable part, the differential pressure transmitter three links to each other by measuring channel, the fixing single tube of movable fixed part communicates controller and differential pressure transmitter in communicating pipe with atmosphere, reciprocating mechanism, foamable partly connects.
2, gas-development agent foam performance pick-up unit according to claim 1, it is characterized in that: described reciprocating mechanism comprises stepper motor drives, step motor and screw mandrel, described stepper motor drives links to each other with controller, step motor, step motor links to each other with screw mandrel, and screw mandrel is connected with the movable fixed part.
3, gas-development agent foam performance pick-up unit according to claim 2, it is characterized in that: described foamable partly comprises gas-development agent cooking-vessel, electric heater, electrical heating driver and thermopair, described electrical heating driver links to each other with controller, electric heater, electric heater is positioned at below the gas-development agent cooking-vessel, thermopair links to each other with controller, the detecting head of thermopair is positioned at the gas-development agent cooking-vessel, and fixing single tube, the differential pressure transmitter three of fixture links to each other by measuring channel in gas-development agent cooking-vessel and communicating pipe.
4, according to claim 1 or 3 described gas-development agent foam performance pick-up units, it is characterized in that: described communicating pipe, two single tubes adopted two cylindrical tube, and were parallel to each other and are fixed on the cabinet exterior.
5, gas-development agent foam performance pick-up unit according to claim 4 is characterized in that: described controller JA(junction ambient) temperature thermopair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820170099XU CN201340410Y (en) | 2008-12-18 | 2008-12-18 | Device for testing foaming performance of foaming agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820170099XU CN201340410Y (en) | 2008-12-18 | 2008-12-18 | Device for testing foaming performance of foaming agent |
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| Publication Number | Publication Date |
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| CN201340410Y true CN201340410Y (en) | 2009-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU200820170099XU Expired - Fee Related CN201340410Y (en) | 2008-12-18 | 2008-12-18 | Device for testing foaming performance of foaming agent |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226793A (en) * | 2011-04-15 | 2011-10-26 | 江苏省产品质量监督检验研究院 | Portable fast detector for foaming agent of foam plastics |
| CN102735304A (en) * | 2011-04-07 | 2012-10-17 | 北京汇源饮料食品集团有限公司 | Device and method for detecting gas in liquid |
| CN102854286A (en) * | 2011-06-27 | 2013-01-02 | 中国石油大学(北京) | Measuring method for performance of foaming agent |
| CN110736679A (en) * | 2019-10-25 | 2020-01-31 | 安徽省新方尊自动化科技有限公司 | foamed aluminum foaming agent gas evolution amount precision detection device |
| CN110968126A (en) * | 2018-09-30 | 2020-04-07 | 北新集团建材股份有限公司 | Gypsum board raw material constant temperature control system and control method |
-
2008
- 2008-12-18 CN CNU200820170099XU patent/CN201340410Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735304A (en) * | 2011-04-07 | 2012-10-17 | 北京汇源饮料食品集团有限公司 | Device and method for detecting gas in liquid |
| CN102226793A (en) * | 2011-04-15 | 2011-10-26 | 江苏省产品质量监督检验研究院 | Portable fast detector for foaming agent of foam plastics |
| CN102226793B (en) * | 2011-04-15 | 2013-07-03 | 江苏省产品质量监督检验研究院 | Portable fast detector for foaming agent of foam plastics |
| CN102854286A (en) * | 2011-06-27 | 2013-01-02 | 中国石油大学(北京) | Measuring method for performance of foaming agent |
| CN102854286B (en) * | 2011-06-27 | 2014-10-15 | 中国石油大学(北京) | Measuring method for performance of foaming agent |
| CN110968126A (en) * | 2018-09-30 | 2020-04-07 | 北新集团建材股份有限公司 | Gypsum board raw material constant temperature control system and control method |
| CN110736679A (en) * | 2019-10-25 | 2020-01-31 | 安徽省新方尊自动化科技有限公司 | foamed aluminum foaming agent gas evolution amount precision detection device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20121218 |