CN102520320A - Contaminating fluid flow control apparatus based on electric leakage trace appearance resistance characteristic and electrical erosion resistance property test of electrical insulating material and method - Google Patents
Contaminating fluid flow control apparatus based on electric leakage trace appearance resistance characteristic and electrical erosion resistance property test of electrical insulating material and method Download PDFInfo
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- CN102520320A CN102520320A CN2011104014372A CN201110401437A CN102520320A CN 102520320 A CN102520320 A CN 102520320A CN 2011104014372 A CN2011104014372 A CN 2011104014372A CN 201110401437 A CN201110401437 A CN 201110401437A CN 102520320 A CN102520320 A CN 102520320A
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Abstract
The invention relates to a contaminating fluid flow control apparatus based on an electric leakage trace appearance resistance characteristic and electrical erosion resistance property test of an electrical resistant material and a method. The apparatus comprises a man-machine interaction parameter arrangement unit, a programmable control unit, a stepping motor, and a fluid pushing mechanism that will be driven and promoted. The whole control flow is as follow: the man-machine interaction parameter arrangement unit is used to set a contaminating fluid flow of an insulating material electric leakage trace appearance resistance test; the man-machine interaction parameter arrangement unit transmits the contaminating fluid flow to the programmable control unit by a communication interface as well as a digital quantity of the contaminating fluid flow is converted into a digital quantity pulse for output; the digital quantity pulse signal is used as a control signal of a driving unit of the stepping motor; the stepping motor makes motions so as to push the fluid pushing mechanism; and thus the contaminating fluid in a pollution container is extruded under an effect of the fluid pushing mechanism and passes through a piece of filter paper and flows a tested object. The test flow can be set as six kinds of fixed flows: 0.075ml/min, 0.15ml/min, 0.2ml/min, 0.3ml/min, 0.6ml/min, and 0.9ml/min; and the test flow can also be set as a random flow value that is equal to or greater than 1.0ml/min.
Description
Technical field
The invention belongs to the fluid flow control method of insulating material electrical performance test device, particularly a kind of contaminating fluid flow control methods based on insulating material proof tracking and the test of anti-galvanic corrosion damage.
Background technology
Micro pump is adopted in the control of fluid flow mostly; Be used for Industry Control and comparatively accurate micro pump is made up of suction/discharge opening, plunger, O-ring seal, plunger guide, plunger cleaning, basic point monitor, shielding portion, bearing, rotor, coil, screw rod; Its operating principle: the step motor coil is when CW turns round; Inner rotator and screw rod begin to move to left; Plunger directly links to each other with screw rod, and the liquid in the pump head spues from discharge opening, spues and inlet capacity can freely be set through the umber of pulse of step motor.But there is following shortcoming in it: the storage device that needs liquid; In the dropping liquid process, need repeatedly suction with extrude; Interval time between each stroke exists uncertain, can not guarantee the even dropping liquid of liquid, precision that can not dependable flow.
Summary of the invention
The object of the present invention is to provide a kind of can quick, even and accurate controlling liquid liquid droping speed and the contaminating fluid volume control device and the method for decreasing test based on insulating material proof tracking and anti-galvanic corrosion of flow.
For achieving the above object; Control device of the present invention comprises: comprise human-computer interaction interface that parameter is set and the control module able to programme that is connected with human-computer interaction interface; The signal output part of control module able to programme links to each other with the control signal end of step motor drive unit; An end that pushes away liquid mechanism links to each other with stepper motor; The other end links to each other with the contaminating fluid container, and step motor drive unit controls stepper motor operation also pushes away liquid mechanism and makes the contaminating fluid outflow in the contaminating fluid container and flow through the insulating material test product through filter paper.
Control method of the present invention is following:
1) the contaminating fluid container is installed on the fixed support;
2) on the main interface of human-computer interaction interface, press " F.F. " button; Control module able to programme receives signal and this signal is inputed to the step motor drive unit, is driven by step motor drive unit controls stepper motor and pushes away liquid mechanism moves to the contaminating fluid container fast from original top top;
3) on the main interface of human-computer interaction interface, press " parameter setting " button, get into parameter auxiliary interface is set, be provided with in parameter and return man-machine interaction master interface after auxiliary interface selects the needed flow value of test definite;
4) on the main interface of human-computer interaction interface, press " dropping liquid " button, push away liquid mechanism and promptly carry out work according to the flow value of setting;
5) if in process of the test, break down, press " time-out " button on the main interface of human-computer interaction interface, pushing away liquid mechanism will temporarily quit work;
6) if single test is accomplished, press " time-out " button on the main interface of human-computer interaction interface, and then press " rewind down " button on the main interface of human-computer interaction interface, push away liquid mechanism and will be back to original apical position rapidly;
7), only need a repetition said process to get final product if test next time.
Described parameter setting is divided into firm discharge 0.075ml/min, 0.15ml/min, 0.2ml/min, 0.3ml/min, 0.6ml/min, 0.9ml/min and adjustable flow; Adjustable flow is if be provided with any flow less than 1.0ml/min; By the numeral " 0.000 " on " dropping liquid flow velocity 0.000ml/min arbitrarily ", the traffic figure that the input test is required is then by " adjustment beginning "; Perhaps continuously by " increase " or " minimizing " button, until reaching required flow value.
The parameter of man-machine interaction is provided with the contaminating fluid flow field simulation value input of operating personnel being set the test of insulating material anti creepage trace; And pass to control module able to programme through communication interface; Control module able to programme converts the analog quantity of contaminating fluid flow into digital quantity pulse output; Be input to this digital quantity pulse signal the control signal end of step motor drive unit then; And then the motion of control step motor, the contaminated liquid that pollutes in the container is extruded and flows through the insulating material sample thereby push away liquid mechanism through filter paper.
The liquid mechanism (its mechanism's composition is seen patent of invention ZL200310105877.9, and name is called " based on the pick-up unit of insulating material proof tracking and anti-galvanic corrosion damage ") that pushes away of the present invention.
Because the present invention adopts the power source of stepper motor as propulsion system; And the speed that stepper motor advances is by the digit pulse amount decision of the control end of the driver element of stepper motor; Thereby the digit pulse amount that is got by the analog quantity conversion of the contaminating fluid flow of importing on the human-computer interaction interface is as the gating pulse of the driver element control end of stepper motor; The anti-electric leakage of insulating material and the accurate control of the contaminating fluid flow that electrical erosion resistance can be tested be can realize, thereby the anti-electric leakage and the electrical erosion resistance ability of insulating material detected quickly and accurately.
Description of drawings
Fig. 1 is the composition synoptic diagram of control device of the present invention;
Fig. 2 is the functional schematic of control method of the present invention;
Fig. 3 is the control flow of control method of the present invention, and wherein Fig. 3 a is that parameter is provided with main interface, and Fig. 3 b is that parameter is provided with auxiliary interface, Fig. 3 c control flow.
Embodiment
Below in conjunction with accompanying drawing composition structure of the present invention and principle of work are done further explain.
Referring to Fig. 1; The present invention includes human-computer interaction interface 1 that parameter is set and the control module able to programme 2 that is connected with human-computer interaction interface 1; The signal output part of control module 2 able to programme links to each other with the control signal end of step motor drive unit 3; An end that pushes away liquid mechanism 5 links to each other with stepper motor 4; The other end links to each other with contaminating fluid container 6, and 3 control step motors 4 operation of step motor drive unit also pushes away liquid mechanism 5 and makes the contaminating fluid outflow in the contaminating fluid container 6 and flow through insulating material test product 7 through filter paper.
Referring to Fig. 2, comprise the F.F., rewind down, dropping liquid, time-out and the parameter setting that push away liquid mechanism on the main interface of control mode of the present invention.Fast-forward functionality can make and push away liquid mechanism and move to contaminating fluid container position rapidly; The rewind down function can make and push away the fast return of liquid mechanism to the upper limit end, and when off-test, the operator can take off and draw again contaminating fluid from fixed support with the contaminating fluid container; The dropping liquid function is to start to push away liquid mechanism, can carry out insulating material proof tracking and anti-galvanic corrosion and decrease test; Pause function is temporarily to stop ongoing dropping liquid process, for example in test termination or process of the test, abnormal occurrence takes place; Parameter be provided with auxiliary interface comprise six kinds of firm discharges (0.075ml/min, 0.15ml/min, 0.2ml/min, 0.3ml/min, 0.6ml/min, 0.9ml/min) of IEC or GB regulation and in addition less than any flow set outside the 1.0ml/min.
Referring to Fig. 3 a, b, c, the control flow of the contaminating fluid flow of insulating material proof tracking of the present invention and the damage device of anti-the galvanic corrosion is:
1) the contaminating fluid container is installed on the fixed support;
2) on the main interface of human-computer interaction interface, press " F.F. " button; Control module able to programme receives signal and this signal is inputed to the step motor drive unit, is driven by step motor drive unit controls stepper motor and pushes away liquid mechanism moves to the contaminating fluid container fast from original top top;
3) on the main interface of human-computer interaction interface, press " parameter setting " button; Get into parameter auxiliary interface is set; In parameter auxiliary interface is set and selects the needed flow value of test, the parameter setting is divided into firm discharge 0.075ml/min, 0.15ml/min, 0.2ml/min, 0.3ml/min, 0.6ml/min, 0.9ml/min and adjustable flow, and adjustable flow is if be provided with any flow less than 1.0ml/min; By the numeral " 0.000 " on " dropping liquid flow velocity 0.000ml/min arbitrarily "; The traffic figure that the input test is required is then by " adjustment beginning ", perhaps continuously by " increase " or " minimizing " button; After reach required flow value, confirming, return man-machine interaction master interface;
4) on the main interface of human-computer interaction interface, press " dropping liquid " button, push away liquid mechanism and promptly carry out work according to the flow value of setting;
5) if in process of the test, break down, press " time-out " button on the main interface of human-computer interaction interface, pushing away liquid mechanism will temporarily quit work;
6) if single test is accomplished, press " time-out " button on the main interface of human-computer interaction interface, and then press " rewind down " button on the main interface of human-computer interaction interface, push away liquid mechanism and will be back to original apical position rapidly;
7), only need a repetition said process to get final product if test next time.
Because the contaminating fluid flow of insulating material proof tracking of the present invention and the damage device of anti-the galvanic corrosion can be provided with arbitrarily; And pushing away liquid mechanism is accurately controlled by Programmable Logic Controller and stepper motor; Therefore the control of contaminating fluid flow velocity and flow is very accurate; Satisfy electric system fully insulating material proof tracking and anti-galvanic corrosion are decreased the requirement of testing, significant to the safe operation of electric system.
Claims (3)
1. decrease the contaminating fluid volume control device of testing based on insulating material proof tracking and anti-galvanic corrosion; It is characterized in that: comprise human-computer interaction interface (1) that parameter is set and the control module able to programme (2) that is connected with human-computer interaction interface (1); The signal output part of control module able to programme (2) links to each other with the control signal end of step motor drive unit (3); An end that pushes away liquid mechanism (5) links to each other with stepper motor (4); The other end links to each other with contaminating fluid container (6), and step motor drive unit (3) control step motor (4) operation also pushes away liquid mechanism (5) and makes the contaminating fluid outflow in the contaminating fluid container (6) and flow through insulating material test product (7) through filter paper.
2. the control method of the volume control device of a kind as 1 described insulating material proof tracking and the damage device of anti-the galvanic corrosion is characterized in that:
1) contaminating fluid container (6) is installed on the fixed support;
2) on the main interface of human-computer interaction interface (1), press " F.F. " button; Control module able to programme (2) receives signal and this signal is inputed to step motor drive unit (3), is driven by step motor drive unit (3) control step motor (4) and pushes away liquid mechanism (5) moves to contaminating fluid container (6) fast from original top top;
3) on the main interface of human-computer interaction interface (1), press " parameter setting " button, get into parameter auxiliary interface is set, be provided with in parameter and return man-machine interaction master interface after auxiliary interface selects the needed flow value of test definite;
4) on the main interface of human-computer interaction interface, press " dropping liquid " button, push away liquid mechanism (5) and promptly carry out work according to the flow value of setting;
5) if in process of the test, break down, press " time-out " button on the main interface of human-computer interaction interface, pushing away liquid mechanism (5) will temporarily quit work;
6) if single test is accomplished, press " time-out " button on the main interface of human-computer interaction interface, and then press " rewind down " button on the main interface of human-computer interaction interface, push away liquid mechanism (5) and will be back to original apical position rapidly;
7), only need a repetition said process to get final product if test next time.
3. control method according to claim 2; It is characterized in that: described parameter setting is divided into firm discharge 0.075ml/min, 0.15ml/min, 0.2ml/min, 0.3ml/min, 0.6ml/min, 0.9ml/min and adjustable flow; Adjustable flow is if be provided with any flow less than 1.0ml/min; By the numeral " 0.000 " on " dropping liquid flow velocity 0.000ml/min arbitrarily ", the traffic figure that the input test is required is then by " adjustment beginning "; Perhaps continuously by " increase " or " minimizing " button, until reaching required flow value.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104014372A CN102520320A (en) | 2011-12-06 | 2011-12-06 | Contaminating fluid flow control apparatus based on electric leakage trace appearance resistance characteristic and electrical erosion resistance property test of electrical insulating material and method |
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| CN2011104014372A CN102520320A (en) | 2011-12-06 | 2011-12-06 | Contaminating fluid flow control apparatus based on electric leakage trace appearance resistance characteristic and electrical erosion resistance property test of electrical insulating material and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058129A (en) * | 2018-11-07 | 2019-07-26 | 深圳供电局有限公司 | The anti creepage trace performance test method and device of insulating materials |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1542440A (en) * | 2003-11-04 | 2004-11-03 | 西安交通大学 | Detection device based on electric leakage trace appearance proof characteristic and electrical erosion proof property of electrical resistant material |
| CN2814474Y (en) * | 2005-05-11 | 2006-09-06 | 徐州海伦哲工程机械有限公司 | Real-time fluid metering controller |
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2011
- 2011-12-06 CN CN2011104014372A patent/CN102520320A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1542440A (en) * | 2003-11-04 | 2004-11-03 | 西安交通大学 | Detection device based on electric leakage trace appearance proof characteristic and electrical erosion proof property of electrical resistant material |
| CN2814474Y (en) * | 2005-05-11 | 2006-09-06 | 徐州海伦哲工程机械有限公司 | Real-time fluid metering controller |
Non-Patent Citations (1)
| Title |
|---|
| 国家质量监督检验检疫总局: "《GB/T6553－2003/IEC 60587:1984 评定在严酷环境条件下使用的电气绝缘材料耐电痕化和蚀损的试验方法》", 1 January 2003 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058129A (en) * | 2018-11-07 | 2019-07-26 | 深圳供电局有限公司 | The anti creepage trace performance test method and device of insulating materials |
| CN110058129B (en) * | 2018-11-07 | 2021-09-28 | 深圳供电局有限公司 | Method and device for testing tracking resistance of insulating material |
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Application publication date: 20120627 |