CN201757734U - Paint density online real-time monitoring system - Google Patents
Paint density online real-time monitoring system Download PDFInfo
- Publication number
- CN201757734U CN201757734U CN2010202653122U CN201020265312U CN201757734U CN 201757734 U CN201757734 U CN 201757734U CN 2010202653122 U CN2010202653122 U CN 2010202653122U CN 201020265312 U CN201020265312 U CN 201020265312U CN 201757734 U CN201757734 U CN 201757734U
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- CN
- China
- Prior art keywords
- online
- density
- pid controller
- paint
- coating
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a paint density online real-time monitoring system, which includes an online densimeter, a PID controller, and a fluid flowmeter. The system is characterized in that the densimeter performs online real-time measurement to the instant density value of paint and feeds back to the PID controller; and the PID controller controls the fluid flowmeter on a diluent replenishing pipeline. After the system is adopted, the paint density can be automatically adjusted and controlled in an online, real-time and unmanned manner, the defined amount of diluent replenishment can be realized at the right time, the stability and the consistence of the paint density can keep, cyclic variation and fluctuation of the paint density can be basically eliminated, errors in manual detection and incompletion can be avoided, the degree of automation of a production line can be improved, and the stability of the production line and the consistence of performance of painted products can be improved.
Description
Technical field
The utility model relates to a kind of automated system, especially coating density online in real time monitoring system device.
Background technology
Paint spraying has been applied in all trades and professions such as electronics, plastic cement, furniture, electrical equipment, automobile, realizes with variety of ways such as spraying, showering, dip-coating, roller coat.Concerning using maximum solvent based coatings, application factory is when carrying out concrete operations, hopper or the hopper of depositing coating on the production line usually need uncovered placement, can't seal, cause thus using in the process of coating (being coating process), solvent in the coating slowly and constantly volatilizees, and the proterties of coating is in use in continuous variation, causes the coating performance after the final application to occur changing thus.
To the in use ever-increasing problem of above-mentioned coating concentration, factory adopts the mode that regularly detects coating density and supplementing solvent to alleviate mostly at present, can avoid the variation significantly of coating and figure layer performance to a certain extent, but still have periodic coating property fluctuation.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of coating density online in real time salt control system and device are provided.
Coating density online in real time supervisory system of the present utility model comprises on-line densimeter, PID controller, liquid flowmeter ingredient; The densitometer online in real time is measured the instantaneous density value of coating and is fed back to the PID controller; The PID controller is according to the instantaneous value of coating density and the gap between the setting value, and the control thinning agent replenishes the liquid flowmeter on the pipeline; Liquid flowmeter is accepted the adjustment signal of PID, regulates the instant flow of thinning agent.
Compared with prior art, the beneficial effects of the utility model are:
After adopting the utility model, by online, real-time, unattended auto-control to coating density, the timely and appropriate discovery of realizing thinning agent replenishes, stable and the consistance that keeps coating density, can eliminate the cyclical variation and the fluctuation of coating density basically, avoid the sum of errors of manual detection not in place, improve the automaticity of producing line, improve the stability of product line and the consistency of performance of application product.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Below, further the utility model is described in conjunction with Fig. 1 by example.
As shown in Figure 1, coating hopper 0 wherein stores the coating that production line is using.The real-time density value of coating is measured by on-line densimeter 1, and its measuring sonde enters in the coating, obtains each moment coating density value constantly; The measurement signals of on-line densimeter is sent to PID controller 3 by signal wire 7, and the PID controller is compared the live signal value with the preset value of coating density, and the feed supplement signal after the intellectuality processing is sent to liquid flowmeter 4 by signal wire 7; Liquid flowmeter is positioned on the additional pipeline 6 of solvent barrel 5, and it accepts the adjustment signal of PID, and realizes that with valve-embedded switch degree difference the timely and appropriate discovery of solvent replenishes; Solvent enters coating hopper 0 by pipeline 6, and is realized and the rapid mixing and the homogenising of original coating by stirrer 2.
Method described in the utility model can realize that the timely and appropriate discovery of thinning agent replenishes by to online, real-time, the unattended auto-control of coating density, keeps the stable and consistance of coating density.After adopting the utility model, can eliminate the cyclical variation and the fluctuation of coating density basically, improve the consistency of performance of application product.
What more than enumerate only is specific embodiment of the utility model.Obviously, the utility model is not limited to above examples of implementation, in the protection domain of spirit of the present utility model and claim, to any modification and the change that the utility model is made, all should think protection domain of the present utility model.
Claims (1)
1. a coating density online in real time supervisory system comprises on-line densimeter, PID controller, liquid flowmeter; It is characterized in that the instantaneous density value of densitometer online in real time measurement coating and feed back to the PID controller; PID controller control thinning agent replenishes the liquid flowmeter on the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202653122U CN201757734U (en) | 2010-07-20 | 2010-07-20 | Paint density online real-time monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202653122U CN201757734U (en) | 2010-07-20 | 2010-07-20 | Paint density online real-time monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201757734U true CN201757734U (en) | 2011-03-09 |
Family
ID=43645016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202653122U Expired - Fee Related CN201757734U (en) | 2010-07-20 | 2010-07-20 | Paint density online real-time monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201757734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076258A (en) * | 2012-12-27 | 2013-05-01 | 深圳麦克维尔空调有限公司 | Equipment for automatically detecting density of glycol solution |
-
2010
- 2010-07-20 CN CN2010202653122U patent/CN201757734U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076258A (en) * | 2012-12-27 | 2013-05-01 | 深圳麦克维尔空调有限公司 | Equipment for automatically detecting density of glycol solution |
| CN103076258B (en) * | 2012-12-27 | 2016-01-20 | 深圳麦克维尔空调有限公司 | Ethylene glycol solution density automatic checkout equipment |
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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: 20110309 Termination date: 20130720 |