CN102135580B - Capacitor detector - Google Patents
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- CN102135580B CN102135580B CN2011100328991A CN201110032899A CN102135580B CN 102135580 B CN102135580 B CN 102135580B CN 2011100328991 A CN2011100328991 A CN 2011100328991A CN 201110032899 A CN201110032899 A CN 201110032899A CN 102135580 B CN102135580 B CN 102135580B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/64—Testing of capacitors
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Abstract
The invention relates to a capacitor detector which is characterized by comprising three sets of fixtures, three sets of feeding induction circuits, three sets of detected capacitor performance parameter measuring circuits and an automatic control device, wherein the automatic control device comprises a programmable controller, a display unit and an information input unit; the three sets of feeding induction circuits and the three sets of detected capacitor performance parameter measuring circuits are all connected with the programmable controller; the display unit is connected with the programmable controller; the programmable controller is used for receiving the practical performance parameters of the first detected capacitor, the second detected capacitor and the third detected capacitor, which are sent by the first detected capacitor, the second detected capacitor or the third detected capacitor performance parameter measuring circuit, and is used for detecting whether the above practical performance parameters are qualified or not; and the test result is displayed by the display unit. Compared with the prior art, the capacitor detector has the advantages of complete-automatization detection and high detection efficiency, and different types of capacitors can be detected according to requirements.
Description
Technical field
The present invention relates to a kind of pick-up unit of capacitor.
Background technology
The capacitor pick-up unit of prior art mainly relies on mechanical drive to realize.Apparatus main body comprises horizontal rotating disc, moves up and down detecting electrode, capacitive detection circuit, turntable drive unit, electrode mobile unit.In the process of capacitance detecting, at first judge whether be connected with electric capacity on the fixed electorde by the testing circuit that is connected on the fixed electorde, only detect when having electric capacity to exist on the fixed electorde, the control detecting electrode moves down, compress the electric capacity splicing ear with fixed electorde, every technical parameter and the performance of electric capacity are measured.This kind device is in the pipelining process, and each detects anchor clamps along with horizontal rotating disc is realized 360 degree rotations, and moving up and down electrode is plane contact by metal copper rod and fixed electorde.When electric capacity is carried out continuous detecting, because mechanical driving device is adopted in the rotation of horizontal rotating disc, wear and tear comparatively serious, cause repetitive positioning accuracy seriously to reduce; Be the contact of metallic copper material face between the upper/lower electrode, in the easy oxidation of high-voltage great-current condition lower surface, cause loose contact, often Mars and discharge can occur in the measuring process.Have fault if any anchor clamps on the horizontal rotating disc, rotating disk will stop the rotation, and can't utilize next anchor clamps Detection capacitance, seriously reduce detection efficiency.Mechanical drive adopts heavy-duty motor, and complex structure consumes energy very large.Apparatus control portion is divided and is lacked intelligent detection unit, and automaticity is not high, and work efficiency is low, and structure is more complicated also.
Summary of the invention
Technical matters to be solved by this invention is the pick-up unit that a kind of entirely intelligent, automaticity is high, power consumption is low, simple in structure, detection efficiency is high capacitor is provided for above-mentioned prior art.
The present invention solves the problems of the technologies described above the technical scheme that adopts: the pick-up unit of this capacitor comprises it is characterized in that: comprise
The first anchor clamps are used for clamping or decontroling the first measured capacitance device;
The second anchor clamps are used for clamping or decontroling the second measured capacitance device;
The 3rd anchor clamps are used for clamping or decontroling the 3rd measured capacitance device;
The first material loading sensor circuit connects with the first anchor clamps, and whether be used for has the first measured capacitance device to connect on induction the first anchor clamps folder;
The second material loading sensor circuit connects with the second anchor clamps, and whether be used for has the second measured capacitance device to connect on induction the second anchor clamps folder;
The 3rd material loading sensor circuit connects with the 3rd anchor clamps, and whether be used for has the 3rd measured capacitance device to connect on induction the 3rd anchor clamps folder;
The first measured capacitance performance parameter metering circuit, for the actual performance parameter of measuring described the first measured capacitance, its signal input part connects with the first anchor clamps;
The second measured capacitance performance parameter metering circuit, for the actual performance parameter of measuring described the second measured capacitance, its signal input part connects with the second anchor clamps;
The 3rd measured capacitance performance parameter metering circuit, for the actual performance parameter of measuring described the 3rd measured capacitance, its signal input part connects with the 3rd anchor clamps;
Automaton, this automaton comprises Programmable Logic Controller, display unit and information input unit, above-mentioned the first material loading sensor circuit, the second material loading sensor circuit, the 3rd material loading sensor circuit, the first measured capacitance performance parameter metering circuit, the second measured capacitance performance parameter metering circuit all links to each other with described Programmable Logic Controller with the 3rd measured capacitance performance parameter metering circuit, display unit also links to each other with Programmable Logic Controller, described Programmable Logic Controller is used for receiving the first measured capacitance performance parameter metering circuit, the first measured capacitance device that the second measured capacitance performance parameter metering circuit or the 3rd measured capacitance performance parameter metering circuit are sent, the actual performance parameter of the second measured capacitance device or the 3rd measured capacitance device and whether detect above-mentioned actual performance parameter qualified, and test result is shown by described display unit.
As improvement, described automaton also comprises the information input unit that is connected with Programmable Logic Controller, be used for input the first measured capacitance device, the second measured capacitance device and the 3rd measured capacitance device standard performance parameter.
Preferably, described information input unit and described display unit adopt integrated touch-screen to realize.
Described the first anchor clamps, the second anchor clamps and the 3rd anchor clamps have identical structure, include
Clamp base;
Be movably arranged on clip on the clamp base, that be used for clamping or loosening the measured capacitance device;
Be arranged on two cube electrodes that being used on the clamp base contacts with the two poles of the earth of corresponding measured capacitance device, this two cube electrode links to each other with corresponding feeding induction device;
Be arranged on clamp base top, drive described clamp or loosen the cylinder drive link of measured capacitance device;
Drive the cylinder of cylinder drive link action.
Described the first measured capacitance performance parameter metering circuit, the second measured capacitance performance parameter metering circuit and the 3rd measured capacitance performance parameter metering circuit have identical structure, include
Be used for measuring withstand voltage Hi-pot test circuit between corresponding measured capacitance device two interpolars withstand voltage and electrode and shell, the signal input part of this Hi-pot test circuit links to each other with two cube electrodes on the corresponding anchor clamps;
Be used for measuring the capacitance test circuit of corresponding measured capacitance device capacitance, the signal input part of this capacitance test circuit links to each other with two cube electrodes on the corresponding anchor clamps;
Be used for measuring the capacity loss angular measurement examination circuit of corresponding measured capacitance device loss angle, this capacity loss angular measurement examination circuit links to each other with two cube electrodes on the corresponding anchor clamps;
Be used for measuring the capacitor discharge resistance test circuit of corresponding measured capacitance device discharge resistance, this capacitor discharge resistance test circuit links to each other with two cube electrodes on the corresponding anchor clamps.
Described the first measured capacitance performance parameter metering circuit, described the second measured capacitance performance parameter metering circuit and described the 3rd measured capacitance performance parameter metering circuit can adopt three to have three identical capacitive property parameter measurement circuit and realize, certainly also can adopt same capacitive property parameter measurement circuit to realize, when adopting same capacitive property parameter measurement circuit to realize thing, this capacitive property parameter measurement circuit respectively with the first anchor clamps, the second anchor clamps, the 3rd anchor clamps connect, and then adopt electric handoff technique timesharing to measure described first, second, the actual performance parameter of corresponding measured capacitance on the 3rd anchor clamps.
Described automaton detects the performance of the first measured capacitance device, the second measured capacitance device and the 3rd measured capacitance device in the following manner:
Step 1, at first input qualified parameter area withstand voltage between the first measured capacitance device two interpolars withstand voltage and electrode and shell, the qualified parameter area of the first measured capacitance device capacitance, the qualified parameter area of the first measured capacitance device loss angle, the qualified parameter area of the first measured capacitance device discharge resistance by information input unit; Equally input qualified parameter area withstand voltage between the second measured capacitance device two interpolars withstand voltage and electrode and shell, the qualified parameter area of the second measured capacitance device capacitance, the qualified parameter area of the second measured capacitance device loss angle, the qualified parameter area of the second measured capacitance device discharge resistance by information input unit; Equally input qualified parameter area withstand voltage between the 3rd measured capacitance device two interpolars withstand voltage and electrode and shell, the qualified parameter area of the 3rd measured capacitance device capacitance, the qualified parameter area of the 3rd measured capacitance device loss angle, the qualified parameter area of the 3rd measured capacitance device discharge resistance by information input unit;
Whether step 2, the first material loading sensor circuit detect the first measured capacitance device by the first clamp clamps, in this way, the nipped information of the first measured capacitance device are sent to Programmable Logic Controller; Whether the second material loading sensor circuit detects the second measured capacitance device by the second clamp clamps, in this way, the nipped information of the second measured capacitance device is sent to Programmable Logic Controller; Whether the 3rd material loading sensor circuit detects the 3rd measured capacitance device by the 3rd clamp clamps, in this way, the nipped information of the 3rd measured capacitance device is sent to Programmable Logic Controller;
(3-1), Programmable Logic Controller at first control signal is given the Hi-pot test circuit that links to each other with two cube electrodes on the corresponding anchor clamps, this Hi-pot test circuit is started working, receive simultaneously withstand voltage actual performance parameter between two interpolars of corresponding measured capacitance device of this Hi-pot test circuit output withstand voltage and electrode and shell, if two interpolars of corresponding measured capacitance device are withstand voltage and electrode and shell between withstand voltage actual performance parameter at two interpolars of corresponding measured capacitance between withstand voltage and electrode and shell within the withstand voltage qualified parameter area, then continue to carry out (3-2), otherwise PLC output control signal shows that to display unit this corresponding measured capacitance device is " unacceptable product ";
(3-2), Programmable Logic Controller again control signal give the capacitance test circuit link to each other with two cube electrodes on the corresponding anchor clamps, this capacitance test circuit is started working, receive simultaneously the actual capacitance value of the corresponding measured capacitance device of this capacitance test circuit output, if the actual capacitance value of corresponding measured capacitance device is within the qualified parameter area of capacitance of corresponding measured capacitance device, then continue to carry out (3-3), otherwise PLC output control signal shows that to display unit this corresponding measured capacitance device is " unacceptable product ";
(3-3), Programmable Logic Controller at first control signal try circuit for the capacity loss angular measurement link to each other with two cube electrodes on the corresponding anchor clamps, this capacity loss angular measurement examination circuit is started working, receive simultaneously the active loss angle of the corresponding measured capacitance device of this capacity loss angular measurement examination circuit output, if the active loss angle of corresponding measured capacitance device is within the qualified parameter area of loss angle of corresponding measured capacitance, then continue to carry out (3-4), otherwise PLC output control signal shows that to display unit this corresponding measured capacitance device is " unacceptable product ";
(3-4), Programmable Logic Controller at first control signal is given the capacitor discharge resistance test circuit that links to each other with two cube electrodes on the corresponding anchor clamps, this capacitor discharge resistance test circuit is started working, receive simultaneously the actual discharge resistance of the corresponding measured capacitance device of this capacitor discharge resistance test circuit output, if the actual discharge resistance of corresponding measured capacitance device is within the qualified parameter area of discharge resistance of corresponding measured capacitance device capacitance, if corresponding measured capacitance device discharge resistance is within the qualified parameter area of corresponding measured capacitance device discharge resistance, then Programmable Logic Controller output control signal shows that to display unit this corresponding measured capacitance device is " certified products ", otherwise PLC output control signal shows that to display unit this corresponding measured capacitance device is " unacceptable product ".
Compared with prior art, the invention has the advantages that:
1, multiterminal detect automatically: for improving detection efficiency, three anchor clamps and three feeding induction devices are set, reduce the stand-by period, improved work efficiency;
2, automaticity is high: through the setting of automaton, after the measured capacitance device is placed on anchor clamps, feeding induction device is that automaton sends information, and automaton is finished the properties test event (voltage-withstand test, utmost point shell, discharge resistance, capability value and certified products differentiation etc.) of measured capacitance device automatically;
3, the test item of measured capacitance device can arrange on demand: the performance parameter of measured capacitance device can arrange respectively, on request to satisfy the needs of different product;
4, energy-conserving and environment-protective: equipment is considered from energy-conserving and environment-protective, and compact integral structure reduces transmission link and reduces energy consumption; More energy-conservation more than 60% than original Full-automatic capacitor testing apparatus.
5, be convenient to pipelining: the whole efficiency of producing for improving capacitor, the device external member designs has taken into full account the needs of streamline, is convenient to production and finished product detection and forms integrated;
6, certified products and unacceptable product automatic distinguishing: certified products and unacceptable product show automatically, and distinguish, still can also automatic sorting, automatic statistics.
Description of drawings
Fig. 1 is the structured flowchart of the pick-up unit of capacitor in the embodiment of the invention one;
Fig. 2 is the structural representation of anchor clamps in the embodiment of the invention;
Fig. 3 is the overhaul flow chart of automaton in the embodiment of the invention;
The structured flowchart of the pick-up unit of capacitor in Fig. 4 embodiment of the invention two.
Embodiment
Embodiment is described in further detail the present invention below in conjunction with accompanying drawing.
Embodiment one:
See also the pick-up unit of capacitor illustrated in figures 1 and 2, it comprises
The first anchor clamps 1 are used for clamping or decontroling the first measured capacitance device;
The second anchor clamps 2 are used for clamping or decontroling the second measured capacitance device;
The 3rd anchor clamps 3 are used for clamping or decontroling the 3rd measured capacitance device;
The first material loading sensor circuit 4 connects with the first anchor clamps, and whether be used for has the first measured capacitance device to connect on induction the first anchor clamps folder;
The second material loading sensor circuit 5 connects with the second anchor clamps, and whether be used for has the second measured capacitance device to connect on induction the second anchor clamps folder;
The 3rd material loading sensor circuit 6 connects with the 3rd anchor clamps, and whether be used for has the 3rd measured capacitance device to connect on induction the 3rd anchor clamps folder;
The first measured capacitance performance parameter metering circuit 8, for the actual performance parameter of measuring described the first measured capacitance, its signal input part connects with the first anchor clamps;
The second measured capacitance performance parameter metering circuit 9, for the actual performance parameter of measuring described the second measured capacitance, its signal input part connects with the second anchor clamps;
The 3rd measured capacitance performance parameter metering circuit 10, for the actual performance parameter of measuring described the 3rd measured capacitance, its signal input part connects with the 3rd anchor clamps;
Above-mentioned the first anchor clamps, the second anchor clamps and the 3rd anchor clamps have identical structure, include
Be movably arranged on the clamp base, be used for to clamp or loosen the clip 12 at measured capacitance device the two poles of the earth;
Be arranged on the electrode 13 that being used on the clamp base contacts with the two poles of the earth of measured capacitance device, this electrode links to each other with corresponding feeding induction device;
Be arranged on clamp base top, drive described clamp or loosen the cylinder drive link 14 of measured capacitance device;
Drive the cylinder 15 of cylinder drive link action.
The first material loading sensor circuit 4, the second material loading sensor circuit 5 and the 3rd material loading sensor circuit 6 adopt the conventional sense circuit.
Described the first measured capacitance performance parameter metering circuit 8, the second measured capacitance performance parameter metering circuit 9 and the 3rd measured capacitance performance parameter metering circuit 10 have identical structure, include
Be used for measuring withstand voltage Hi-pot test circuit between corresponding measured capacitance device two interpolars withstand voltage and electrode and shell, the signal input part of this Hi-pot test circuit links to each other this Hi-pot test circuit employing custom circuit with two cube electrodes on the corresponding anchor clamps;
Be used for measuring the capacitance test circuit of corresponding measured capacitance device capacitance, the signal input part of this capacitance test circuit links to each other this capacitance test circuit employing custom circuit with two cube electrodes on the corresponding anchor clamps;
Be used for measuring the capacity loss angular measurement examination circuit of corresponding measured capacitance device loss angle, this capacity loss angular measurement examination circuit links to each other this capacity loss angular measurement examination circuit employing custom circuit with two cube electrodes on the corresponding anchor clamps;
Be used for measuring the capacitor discharge resistance test circuit of corresponding measured capacitance device discharge resistance, this capacitor discharge resistance test circuit links to each other this capacitor discharge resistance test circuit employing custom circuit with two cube electrodes on the corresponding anchor clamps.
In the present embodiment, above-mentioned the first measured capacitance performance parameter metering circuit 8, the second measured capacitance performance parameter metering circuit 9 and the 3rd measured capacitance performance parameter metering circuit 10 adopt three circuit with same structure to realize.
Described automaton detects the performance of the first measured capacitance device, the second measured capacitance device and the 3rd measured capacitance device in the following manner, sees also shown in Figure 3
Step 1, at first input qualified parameter area withstand voltage between the first measured capacitance device two interpolars withstand voltage and electrode and shell, the qualified parameter area of the first measured capacitance device capacitance, the qualified parameter area of the first measured capacitance device loss angle, the qualified parameter area of the first measured capacitance device discharge resistance by information input unit; Input qualified parameter area withstand voltage between the second measured capacitance device two interpolars withstand voltage and electrode and shell, the qualified parameter area of the second measured capacitance device capacitance, the qualified parameter area of the second measured capacitance device loss angle, the qualified parameter area of the second measured capacitance device discharge resistance by information input unit again; Input qualified parameter area withstand voltage between the 3rd measured capacitance device two interpolars withstand voltage and electrode and shell, the qualified parameter area of the 3rd measured capacitance device capacitance, the qualified parameter area of the 3rd measured capacitance device loss angle, the qualified parameter area of the 3rd measured capacitance device discharge resistance by information input unit again;
Whether step 2, the first material loading sensor circuit detect the first measured capacitance device by the first clamp clamps, in this way, the nipped information of the first measured capacitance device are sent to Programmable Logic Controller; Whether the second material loading sensor circuit detects the second measured capacitance device by the second clamp clamps, in this way, the nipped information of the second measured capacitance device is sent to Programmable Logic Controller; Whether the 3rd material loading sensor circuit detects the 3rd measured capacitance device by the 3rd clamp clamps, in this way, the nipped information of the 3rd measured capacitance device is sent to Programmable Logic Controller;
(3-1), Programmable Logic Controller at first control signal give the Hi-pot test circuit link to each other with two cube electrodes on the corresponding anchor clamps, this Hi-pot test circuit is started working, receive simultaneously the withstand voltage actual performance parameter of two interpolars of the corresponding measured capacitance device of this Hi-pot test circuit output, if the actual performance parameter that two interpolars of corresponding measured capacitance device are withstand voltage is within the withstand voltage qualified parameter area of two interpolars of corresponding measured capacitance, then continue to carry out (3-2), otherwise PLC output control signal shows that to display unit this corresponding measured capacitance device is " unacceptable product ";
(3-2), Programmable Logic Controller at first control signal is given the Hi-pot test circuit that links to each other with two cube electrodes on the corresponding anchor clamps, this Hi-pot test circuit is started working, receive simultaneously actual performance parameter withstand voltage between the electrode of corresponding measured capacitance device of this Hi-pot test circuit output and shell, if withstand voltage actual performance parameter is within qualified parameter area withstand voltage between the electrode of corresponding measured capacitance and shell between the electrode of corresponding measured capacitance device and shell, then continue to carry out (3-3), otherwise PLC output control signal shows that to display unit this corresponding measured capacitance device is " unacceptable product ";
(3-3), Programmable Logic Controller again control signal give the capacitance test circuit link to each other with two cube electrodes on the corresponding anchor clamps, this capacitance test circuit is started working, receive simultaneously the actual capacitance value of the corresponding measured capacitance device of this capacitance test circuit output, if the actual capacitance value of corresponding measured capacitance device is within the qualified parameter area of capacitance of corresponding measured capacitance device, then continue to carry out (3-4), otherwise PLC output control signal shows that to display unit this corresponding measured capacitance device is " unacceptable product ";
(3-4), Programmable Logic Controller at first control signal try circuit for the capacity loss angular measurement link to each other with two cube electrodes on the corresponding anchor clamps, this capacity loss angular measurement examination circuit is started working, receive simultaneously the active loss angle of the corresponding measured capacitance device of this capacity loss angular measurement examination circuit output, if the active loss angle of corresponding measured capacitance device is within the qualified parameter area of loss angle of corresponding measured capacitance, then continue to carry out (3-5), otherwise PLC output control signal shows that to display unit this corresponding measured capacitance device is " unacceptable product ";
(3-5), Programmable Logic Controller at first control signal is given the capacitor discharge resistance test circuit that links to each other with two cube electrodes on the corresponding anchor clamps, this capacitor discharge resistance test circuit is started working, receive simultaneously the actual discharge resistance of the corresponding measured capacitance device of this capacitor discharge resistance test circuit output, if the actual discharge resistance of corresponding measured capacitance device is within the qualified parameter area of discharge resistance of corresponding measured capacitance device capacitance, if corresponding measured capacitance device discharge resistance is within the qualified parameter area of corresponding measured capacitance device discharge resistance, then Programmable Logic Controller output control signal shows that to display unit this corresponding measured capacitance device is " certified products ", otherwise PLC output control signal shows that to display unit this corresponding measured capacitance device is " unacceptable product ".
In the present embodiment, the FX2N-64MR type PLC Programmable Logic Controller that Programmable Logic Controller adopts Mitsubishi to produce, circuit connection structure is custom circuit.
Embodiment two:
Different from embodiment one is, described the first measured capacitance performance parameter metering circuit, the second measured capacitance performance parameter metering circuit and the 3rd measured capacitance performance parameter metering circuit adopt same capacitive property parameter measurement circuit to realize, the first measured capacitance performance parameter metering circuit among this capacitive property parameter measurement circuit and the embodiment one has same structure, this capacitive property parameter measurement circuit respectively with the first anchor clamps, the second anchor clamps, the 3rd anchor clamps connect, adopt electric handoff technique timesharing to measure described first, second, the actual performance parameter of corresponding measured capacitance on the 3rd anchor clamps, then export structure is flowed to self-actuated controller, referring to shown in Figure 4.
Claims (7)
1. the pick-up unit of a capacitor is characterized in that: comprise
The first anchor clamps are used for clamping or decontroling the first measured capacitance device;
The second anchor clamps are used for clamping or decontroling the second measured capacitance device;
The 3rd anchor clamps are used for clamping or decontroling the 3rd measured capacitance device;
The first material loading sensor circuit connects with the first anchor clamps, and whether be used for has the first measured capacitance device to connect on induction the first anchor clamps;
The second material loading sensor circuit connects with the second anchor clamps, and whether be used for has the second measured capacitance device to connect on induction the second anchor clamps;
The 3rd material loading sensor circuit connects with the 3rd anchor clamps, and whether be used for has the 3rd measured capacitance device to connect on induction the 3rd anchor clamps;
The first measured capacitance performance parameter metering circuit, for the actual performance parameter of measuring described the first measured capacitance device, its signal input part connects with the first anchor clamps;
The second measured capacitance performance parameter metering circuit, for the actual performance parameter of measuring described the second measured capacitance device, its signal input part connects with the second anchor clamps;
The 3rd measured capacitance performance parameter metering circuit, for the actual performance parameter of measuring described the 3rd measured capacitance device, its signal input part connects with the 3rd anchor clamps;
Automaton, this automaton comprises Programmable Logic Controller, display unit and information input unit, above-mentioned the first material loading sensor circuit, the second material loading sensor circuit, the 3rd material loading sensor circuit, the first measured capacitance performance parameter metering circuit, the second measured capacitance performance parameter metering circuit all links to each other with described Programmable Logic Controller with the 3rd measured capacitance performance parameter metering circuit, display unit also links to each other with described Programmable Logic Controller, described Programmable Logic Controller is used for receiving the first measured capacitance performance parameter metering circuit, the first measured capacitance device that the second measured capacitance performance parameter metering circuit or the 3rd measured capacitance performance parameter metering circuit are sent, the actual performance parameter of the second measured capacitance device or the 3rd measured capacitance device and whether detect above-mentioned actual performance parameter qualified, and test result is shown by described display unit.
2. the pick-up unit of described capacitor according to claim 1, it is characterized in that: described automaton also comprises the signal input unit that is connected with Programmable Logic Controller, be used for input the first measured capacitance device, the second measured capacitance device and the 3rd measured capacitance device standard performance parameter.
3. the pick-up unit of described capacitor according to claim 2, it is characterized in that: described signal input unit and described display unit adopt integrated touch-screen to realize.
4. according to claim 1, the pick-up unit of 2 or 3 described capacitors, it is characterized in that: described the first anchor clamps, the second anchor clamps and the 3rd anchor clamps have identical structure, include
Clamp base;
Be movably arranged on clip on the clamp base, that be used for clamping or loosening the measured capacitance device;
Be arranged on two cube electrodes that being used on the clamp base contacts with the two poles of the earth of corresponding measured capacitance device, this two cube electrode links to each other with corresponding material loading sensor circuit;
Be arranged on clamp base top, drive described clamp or loosen the cylinder drive link of measured capacitance device;
Drive the cylinder of cylinder drive link action.
5. the pick-up unit of described capacitor according to claim 4, it is characterized in that: described the first measured capacitance performance parameter metering circuit, the second measured capacitance performance parameter metering circuit and the 3rd measured capacitance performance parameter metering circuit have identical structure, include
Be used for measuring withstand voltage Hi-pot test circuit between corresponding measured capacitance device two interpolars withstand voltage and electrode and shell, the signal input part of this Hi-pot test circuit links to each other with two cube electrodes on the corresponding anchor clamps;
Be used for measuring the capacitance test circuit of corresponding measured capacitance device capacitance, the signal input part of this capacitance test circuit links to each other with two cube electrodes on the corresponding anchor clamps;
Be used for measuring the capacity loss angular measurement examination circuit of corresponding measured capacitance device loss angle, this capacity loss angular measurement examination circuit links to each other with two cube electrodes on the corresponding anchor clamps;
Be used for measuring the capacitor discharge resistance test circuit of corresponding measured capacitance device discharge resistance, this capacitor discharge resistance test circuit links to each other with two cube electrodes on the corresponding anchor clamps.
6. the pick-up unit of described capacitor according to claim 5, it is characterized in that: described the first measured capacitance performance parameter metering circuit, described the second measured capacitance performance parameter metering circuit and described the 3rd measured capacitance performance parameter metering circuit adopt same capacitive property parameter measurement circuit to realize, this capacitive property parameter measurement circuit connects with the first anchor clamps, the second anchor clamps, the 3rd anchor clamps respectively, adopts electric handoff technique timesharing to measure the actual performance parameter of corresponding measured capacitance device on described first, second, third anchor clamps.
7. according to claim 5 or the pick-up unit of 6 described capacitors, it is characterized in that: described automaton detects the performance of the first measured capacitance device, the second measured capacitance device and the 3rd measured capacitance device in the following manner:
Step 1, at first input qualified parameter area withstand voltage between the first measured capacitance device two interpolars withstand voltage and electrode and shell, the qualified parameter area of the first measured capacitance device capacitance, the qualified parameter area of the first measured capacitance device loss angle, the qualified parameter area of the first measured capacitance device discharge resistance by information input unit; Equally input qualified parameter area withstand voltage between the second measured capacitance device two interpolars withstand voltage and electrode and shell, the qualified parameter area of the second measured capacitance device capacitance, the qualified parameter area of the second measured capacitance device loss angle, the qualified parameter area of the second measured capacitance device discharge resistance by information input unit; Equally input qualified parameter area withstand voltage between the 3rd measured capacitance device two interpolars withstand voltage and electrode and shell, the qualified parameter area of the 3rd measured capacitance device capacitance, the qualified parameter area of the 3rd measured capacitance device loss angle, the qualified parameter area of the 3rd measured capacitance device discharge resistance by information input unit;
Whether step 2, the first material loading sensor circuit detect the first measured capacitance device by the first clamp clamps, in this way, the nipped information of the first measured capacitance device are sent to Programmable Logic Controller; Whether the second material loading sensor circuit detects the second measured capacitance device by the second clamp clamps, in this way, the nipped information of the second measured capacitance device is sent to Programmable Logic Controller; Whether the 3rd material loading sensor circuit detects the 3rd measured capacitance device by the 3rd clamp clamps, in this way, the nipped information of the 3rd measured capacitance device is sent to Programmable Logic Controller;
Step 3, Programmable Logic Controller receive the information whether corresponding measured capacitance device that the first material loading sensor circuit, the second material loading sensor circuit and the 3rd material loading sensor circuit send connects, and then the time order and function order according to the information of sending is handled as follows successively:
(3-1), Programmable Logic Controller at first control signal is given the Hi-pot test circuit that links to each other with two cube electrodes on the corresponding anchor clamps, this Hi-pot test circuit is started working, receive simultaneously withstand voltage actual performance parameter between two interpolars of corresponding measured capacitance device of this Hi-pot test circuit output withstand voltage and electrode and shell, if two interpolars of corresponding measured capacitance device are withstand voltage and electrode and shell between withstand voltage actual performance parameter at two interpolars of corresponding measured capacitance device between withstand voltage and electrode and shell within the withstand voltage qualified parameter area, then continue to carry out (3-2), otherwise PLC output control signal shows that to display unit this corresponding measured capacitance device is " unacceptable product ";
(3-2), Programmable Logic Controller again control signal give the capacitance test circuit link to each other with two cube electrodes on the corresponding anchor clamps, this capacitance test circuit is started working, receive simultaneously the actual capacitance value of the corresponding measured capacitance device of this capacitance test circuit output, if the actual capacitance value of corresponding measured capacitance device is within the qualified parameter area of the capacitance of corresponding measured capacitance device, then continue to carry out (3-3), otherwise PLC output control signal shows that to display unit this corresponding measured capacitance device is " unacceptable product ";
(3-3), Programmable Logic Controller at first control signal try circuit for the capacity loss angular measurement link to each other with two cube electrodes on the corresponding anchor clamps, this capacity loss angular measurement examination circuit is started working, receive simultaneously the active loss angle of the corresponding measured capacitance device of this capacity loss angular measurement examination circuit output, if the active loss angle of corresponding measured capacitance device is within the qualified parameter area of loss angle of corresponding measured capacitance device, then continue to carry out (3-4), otherwise PLC output control signal shows that to display unit this corresponding measured capacitance device is " unacceptable product ";
(3-4), Programmable Logic Controller at first control signal is given the capacitor discharge resistance test circuit that links to each other with two cube electrodes on the corresponding anchor clamps, this capacitor discharge resistance test circuit is started working, receive simultaneously the actual discharge resistance of the corresponding measured capacitance device of this capacitor discharge resistance test circuit output, if the actual discharge resistance of corresponding measured capacitance device is within the qualified parameter area of the discharge resistance of corresponding measured capacitance device, then Programmable Logic Controller output control signal shows that to display unit this corresponding measured capacitance device is " certified products ", otherwise PLC output control signal shows that to display unit this corresponding measured capacitance device is " unacceptable product ".
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100328991A CN102135580B (en) | 2011-01-24 | 2011-01-24 | Capacitor detector |
| PCT/CN2011/001105 WO2012100390A1 (en) | 2011-01-24 | 2011-07-05 | Detection device for capacitors |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100328991A CN102135580B (en) | 2011-01-24 | 2011-01-24 | Capacitor detector |
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| CN102135580A CN102135580A (en) | 2011-07-27 |
| CN102135580B true CN102135580B (en) | 2013-05-01 |
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| CN201707408U (en) * | 2010-05-13 | 2011-01-12 | 湖南艾华集团股份有限公司 | Automatic test device of aluminum electrolytic capacitor |
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| WO2012100390A1 (en) | 2012-08-02 |
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