CN103389415B - For detecting glass heats line resistance and the detection system whether broken and method - Google Patents
For detecting glass heats line resistance and the detection system whether broken and method Download PDFInfo
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- CN103389415B CN103389415B CN201310341119.0A CN201310341119A CN103389415B CN 103389415 B CN103389415 B CN 103389415B CN 201310341119 A CN201310341119 A CN 201310341119A CN 103389415 B CN103389415 B CN 103389415B
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Abstract
The invention discloses a kind of for detecting glass heats line resistance and the detection system whether broken and detection method, detection system comprises frame and is arranged in frame for carrying the pipeline of glass, described pipeline comprises resistance detection section and bottom sheet transportation section, described resistance detection section is provided with the locating device for Locating Glass, the top of described resistance detection section is provided with the resistor detecting device for detecting glass resistor, described resistor detecting device has two can the probe of oscilaltion, the thermal imaging system also comprising direct supply and be connected with outer computer, described direct supply is electrically connected with two probes, described thermal imaging system is arranged on the top of resistance detection section.The present invention can detect the resistance of glass heating wire and whether breaking simultaneously, decreases the cost of purchase two equipment, improves production efficiency, also significant to the accuracy of detection and automaticity that improve equipment in addition.
Description
Technical field
The present invention relates to a kind of glass checkout equipment, particularly relating to a kind of for detecting glass heats line resistance and the detection system whether broken and detection method.
Background technology
Vehicle glass is provided with heater wire, and generate heat to eliminate the frost mist that vehicle glass produces after the effect of heater wire is to be energized, in order to improve defrosting effect, the heater wire on usual vehicle glass is net distribution.
In current glass processing industry, the resistance of glass heating wire mainly relies on and manually detects, during detection, workman grasps the both positive and negative polarity of resistance measurement instrument, and the both positive and negative polarity of resistance measurement instrument is aimed at two access points of glass heating wire, display screen according to resistance measurement instrument carries out reading, by resistance conversion table, the resistance value recorded is converted again, obtain real resistance value, but dependence is manually carried out detection and had the defects such as efficiency is low, labour intensity is high, the demand that glass is produced in enormous quantities can not be met.
Publication number is that the Chinese invention patent of 103018560A discloses a kind of glass resistor on-line measuring device and detection method, this pick-up unit comprises supply unit, positioning unit, resistance detection unit and servo drive system, wherein, supply unit is made up of several conveying roller be arranged side by side in the horizontal direction, each conveying roller rotates under the drive of servo drive system, thus drives glass motion; Positioning unit is made up of several backstay vertically arranged, and each backstay moves under the drive of servo drive system, thus glass positioning clamp is tight; Resistance detection unit comprises two probes, and two probes and treating apparatus are electrically connected, and oscilaltion under the drive of servo drive system.During detection, first glass is delivered to detection station, and then puts down two probes, two probes are contacted with two access points of heater wire on glass, is finally drawn the resistance of glass again by treating apparatus.Although this device achieves the on-line checkingi of glass resistor, improve consistance and the accuracy of detection of resistance detection, reduce the labour intensity of workman, improve production efficiency, but whether the heater wire that this device can not detect on glass exists broken string, whether the heater wire that need be detected on glass by miscellaneous equipment exists broken string, which not only adds the cost that the producer purchases two equipment, and due to needs secondary detection, reduce production efficiency.
Summary of the invention
Glass heats line resistance and the detection system whether broken and detection method can be detected the while of the object of the present invention is to provide a kind of, the cost of purchase two equipment can not only be reduced by this detection system and detection method, and can also enhance productivity, ensure accuracy of detection.
Present invention employs following technical scheme:
A kind of for the detection system detecting glass heats line resistance and whether break, comprise frame and be arranged in frame for carrying the pipeline of glass, described pipeline comprises resistance detection section and bottom sheet transportation section, described resistance detection section is provided with the locating device for Locating Glass, the top of described resistance detection section is provided with the resistor detecting device for detecting glass resistor, described resistor detecting device has two can the probe of oscilaltion, the thermal imaging system also comprising direct supply and be connected with outer computer, described direct supply is electrically connected with two probes, described thermal imaging system is arranged on the top of resistance detection section.
Further, described resistor detecting device comprises the resistance instrument be connected with outer computer, and described resistance instrument is electrically connected with two probes, and the heater wire when measuring on resistance instrument, two probes and glass forms resistance detection loop.
Further, also comprise the temperature controller for detecting glass surface temperature, described temperature controller connects outer computer.
Further, the sensor whether to go up slice of the resistance detection section also comprised for detecting pipeline and the PLC that is connected with sensor for controlling locating device and pipeline action.
Further, described pipeline comprises several conveying roller of being arranged side by side in the horizontal direction and the driving mechanism for driving each conveying roller to rotate, and between described conveying roller, interval is arranged.
Further, described locating device comprises the left and right positioning unit positioned glass arranged on left and right sides along throughput direction and the forward and backward positioning unit positioned glass front and rear sides, described left and right positioning unit at least has two and is separately positioned on arranged on left and right sides and can the vertical backstay of the left and right motion in gap of conveying roller, described forward and backward positioning unit at least has two and is separately positioned on front and rear sides and can along the forward and backward vertical backstay moved of throughput direction, and the vertical backstay of forward and backward positioning unit can carry out 90 ° of turnovers.
Further, described pipeline is unpowered conveying roller along last three conveying rollers of throughput direction.
Further, described conveying roller adopts nitrile rubber material.
For the detection method detecting glass heats line resistance and whether break, comprise the steps:
S1: the glass that upper step operation obtains is placed in the resistance detection section of pipeline, and glass positioning clamp is tight, then perform step S2;
S2: put down two probes, two probes are contacted with the access point of glass heating wire, now resistance instrument records the resistance of heater wire, and the resistance recorded is sent to outer computer, temperature controller records the temperature of glass surface simultaneously, and the temperature recorded is sent to outer computer, outer computer transfers the resistance range of heater wire automatically according to the temperature recorded, if the resistance that resistance instrument records is not in this resistance range, then resistance instrument sends alerting signal, if the resistance that resistance instrument records is in this resistance range, then perform step S3;
S3: open direct supply, heater wire heating power on glass, thermal imaging system carries out image data acquiring to the heat condition of glass heating wire, and the data of collection are sent to outer computer, and outer computer is analyzed the data gathered automatically, and judge whether heater wire exists broken string, if there is broken string, then thermal imaging system sends alerting signal, and the image simultaneously by observing thermal imaging system collection finds out broken position, if there is not broken string, then perform step S4;
S4: after having detected, initial position return by locating device and two probes, and glass is delivered to bottom sheet transportation section by pipeline, takes off glass.
Compared with prior art, remarkable result of the present invention is:
(1) owing to adding direct supply and thermal imaging system, therefore the resistance of glass heating wire can not only be measured when measuring, but also image data acquiring can be carried out by thermal imaging system to the heat condition of glass heating wire, and judge whether heater wire exists broken string according to the view data gathered, so just purchase two equipment are not needed to detect respectively the resistance of heater wire and whether breaking, decrease the cost of purchase two equipment, simultaneously owing to detecting the resistance of heater wire and whether to break be that one-shot measurement completes, therefore also improve production efficiency;
(2) the present invention adopts computing machine automatically to contrast the data recorded, and compares artificial, not only increases efficiency, but also ensure that accuracy of detection;
(3) the present invention achieves automatic control to pipeline, locating device and probe by sensor and PLC, improves the automaticity of equipment.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1;
Fig. 3 is side view of the present invention;
Fig. 4 is vertical view of the present invention;
Fig. 5 is Control system architecture figure of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
See Fig. 1 to Fig. 5, a kind of for the detection system detecting glass heats line resistance and whether break, comprise frame 1 and be arranged in frame 1 for carrying the pipeline of glass, pipeline is made up of several conveying roller 2 of being arranged side by side in the horizontal direction and the driving mechanism for driving each conveying roller 2 to rotate, between each conveying roller 2, interval is arranged, pipeline comprises resistance detection section and bottom sheet transportation section, driving mechanism comprises the first drive motor for driving each conveying roller of resistance detection section to rotate and the second drive motor for driving each conveying roller of bottom sheet transportation section to rotate, first drive motor and the second drive motor drive each conveying roller to rotate by driving member (as driving-chain), resistance detection section is provided with the locating device for Locating Glass, locating device comprises along throughput direction left to glass, the left side that right both sides position, right positioning unit and to before glass, before rear both sides position, rear positioning unit, wherein, left, right positioning unit have four between two correspondence be arranged on a frame left side, the vertical backstay 3 of right both sides, left during location, the backstay 3 of right both sides is also drawn close mutually along the intermittent motion of conveying roller 2, thus glass positioning clamp is tight, in order to reach this object, there is below conveying roller 2 the first guide rail arranged along conveying roller direction, left, four backstays 3 of right positioning unit under the drive of drive unit (as servomotor etc.) along the first guide rail movement, before, rear positioning unit has two before throughput direction, rear setting is also positioned at the vertical backstay 3 in conveying roller centre position, before during location, two backstays 3 of rear positioning unit move along throughput direction and mutually draw close, thus glass positioning clamp is tight, after detection completes, before, two backstays 3 of rear positioning unit turn down 90 °, by conveying roller 2, glass is transported to bottom sheet transportation section again, in order to reach this object, the below of conveying roller has the second guide rail arranged along throughput direction, before, two backstays 3 of rear positioning unit under the drive of drive unit along the second guide rail movement, and it is front, two backstays 3 of rear positioning unit adopt hinged setting, 90 ° of turnovers are carried out under the effect of retractor device (as electric expansion cylinder).
The top of resistance detection section is provided with the resistor detecting device for detecting glass resistor, resistor detecting device comprises resistance instrument 4 and two probes 5, two probes 5 are electrically connected with resistance instrument 4, and two probes 5 are connected on the telescopic arm of two electric expansion cylinders 6, probe 5 oscilaltion is driven when the telescopic arm of electric expansion cylinder 6 carries out flexible, simultaneously in order to regulate the angle of probe 5, the telescopic arm of electric expansion cylinder 6 is provided with universal wheel 7, probe 5 is fixedly connected on universal wheel 7.
The glass resistor on-line detecting system of the present embodiment also comprises direct supply 8, thermal imaging system 9, temperature controller, sensor and PLC, resistance instrument 4 connects outer computer, for detecting the resistance of glass heating wire and the data of detection being sent to outer computer, when measuring, the resistance of resistance instrument 4, two probes 5 and glass heating wire forms resistance detection loop; Be connected with outer computer, for carrying out image data acquiring to the heat condition of heater wire on glass and the view data of collection being sent to outer computer above the resistance detection section that thermal imaging system 9 is arranged on pipeline; Temperature controller connects outer computer, for detecting the temperature of glass surface when measuring; Sensor is connected with PLC, whether the resistance detection section for detecting pipeline goes up slice (glass being placed on resistance detection section), if upper slice, then PLC controls two probes 5 and declines and contact with the access point of glass heating wire, controls each backstay 3 simultaneously and moves glass positioning clamp is tight; After detection completes, PLC controls two probes 5 and returns initial position, controls four backstays 3 of left and right positioning unit and return initial position, control that two backstays 3 of forward and backward positioning unit turn down 90 °, the conveying roller 2 of controlling resistance detection segment rotates and glass is delivered to bottom sheet transportation section, then take off glass, complete the detection to glass heating wire.
Be transported to the edge of pipeline upon completion of the assays in order to avoid glass and drop, pipeline is unpowered conveying roller along last three conveying rollers 2 of throughput direction, would not to drop ground and being damaged like this because of glass; Conveying roller adopts nitrile rubber material, and nitrile rubber has good thermotolerance and wearing quality, contributes to the serviceable life of extension device.
The detection method of the present embodiment is as follows:
S1: the glass that upper step operation obtains is placed in the resistance detection section of pipeline, and glass positioning clamp is tight, then perform step S2;
S2: put down two probes, two probes are contacted with the access point of glass heating wire, now resistance instrument records the resistance of heater wire, and the resistance recorded is sent to outer computer, temperature controller records the temperature of glass surface simultaneously, and the temperature recorded is sent to outer computer, outer computer transfers the resistance range of heater wire automatically according to the temperature recorded, if the resistance that resistance instrument records is not in this resistance range, then resistance instrument sends alerting signal, if the resistance that resistance instrument records is in this resistance range, then perform step S3;
S3: open direct supply, heater wire heating power on glass, thermal imaging system carries out image data acquiring to the heat condition of glass heating wire, and the data of collection are sent to outer computer, and outer computer is analyzed the data gathered automatically, and judge whether heater wire exists broken string, if there is broken string, then thermal imaging system sends alerting signal, and the image simultaneously by observing thermal imaging system collection finds out broken position, if there is not broken string, then perform step S4;
S4: after having detected, initial position return by locating device and two probes, and glass is delivered to bottom sheet transportation section by pipeline, takes off glass.
Finally it should be noted that, above embodiment is only in order to illustrate technical scheme of the present invention but not restriction technologies scheme, although applicant's reference preferred embodiment is to invention has been detailed description, those of ordinary skill in the art is to be understood that, those are modified to technical scheme of the present invention or equivalent replacement, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of right of the present invention.
Claims (4)
1. one kind for the detection system detecting glass heats line resistance and whether break, comprise frame and be arranged in frame for carrying the pipeline of glass, described pipeline comprises resistance detection section and bottom sheet transportation section, described resistance detection section is provided with the locating device for Locating Glass, the top of described resistance detection section is provided with the resistor detecting device for detecting glass resistor, described resistor detecting device has two can the probe of oscilaltion, it is characterized in that, the thermal imaging system also comprising direct supply and be connected with outer computer, described direct supply is electrically connected with two probes, described thermal imaging system is arranged on the top of resistance detection section,
Described resistor detecting device comprises the resistance instrument be connected with outer computer, and described resistance instrument is electrically connected with two probes, and the heater wire when measuring on resistance instrument, two probes and glass forms resistance detection loop;
Also comprise the temperature controller for detecting glass surface temperature, described temperature controller connects outer computer;
The sensor whether the resistance detection section also comprised for detecting pipeline goes up slice and the PLC be connected with sensor for controlling locating device and pipeline action;
Described pipeline comprises several conveying roller of being arranged side by side in the horizontal direction and the driving mechanism for driving each conveying roller to rotate, and between described conveying roller, interval is arranged;
Described locating device comprises the left and right positioning unit positioned glass arranged on left and right sides along throughput direction and the forward and backward positioning unit positioned glass front and rear sides, described left and right positioning unit at least has the vertical backstay that two are separately positioned on arranged on left and right sides, and vertical backstay is left and right along the gap of conveying roller to move; There is below conveying roller the first guide rail arranged along conveying roller direction, at least two backstays of left and right positioning unit under the drive of drive unit along the first guide rail movement; Described forward and backward positioning unit at least has two and is separately positioned on front and rear sides can along the forward and backward vertical backstay moved of throughput direction, the below of conveying roller has the second guide rail arranged along throughput direction, at least two backstays of forward and backward positioning unit under the drive of drive unit along the second guide rail movement; And the vertical backstay of forward and backward positioning unit can carry out 90 ° of turnovers.
2. according to claim 1ly it is characterized in that for the detection system detecting glass heats line resistance and whether break, described pipeline is unpowered conveying roller along last three conveying rollers of throughput direction.
3. according to claim 1ly it is characterized in that for the detection system detecting glass heats line resistance and whether break, described conveying roller adopts nitrile rubber material.
4., for the detection method of detection system detecting glass heats line resistance and whether break as described in as arbitrary in claim 1-3, it is characterized in that, comprise the steps:
S1: the glass that upper step operation obtains is placed in the resistance detection section of pipeline, and glass positioning clamp is tight, then perform step S2;
S2: put down two probes, two probes are contacted with the access point of glass heating wire, now resistance instrument records the resistance of heater wire, and the resistance recorded is sent to outer computer, temperature controller records the temperature of glass surface simultaneously, and the temperature recorded is sent to outer computer, outer computer transfers the resistance range of heater wire automatically according to the temperature recorded, if the resistance that resistance instrument records is not in this resistance range, then resistance instrument sends alerting signal, if the resistance that resistance instrument records is in this resistance range, then perform step S3;
S3: open direct supply, heater wire heating power on glass, thermal imaging system carries out image data acquiring to the heat condition of glass heating wire, and the data of collection are sent to outer computer, and outer computer is analyzed the data gathered automatically, and judge whether heater wire exists broken string, if there is broken string, then thermal imaging system sends alerting signal, and the image simultaneously by observing thermal imaging system collection finds out broken position, if there is not broken string, then perform step S4;
S4: after having detected, initial position return by locating device and two probes, and glass is delivered to bottom sheet transportation section by pipeline, takes off glass.
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| CN201310341119.0A CN103389415B (en) | 2013-08-07 | 2013-08-07 | For detecting glass heats line resistance and the detection system whether broken and method |
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| CN201310341119.0A CN103389415B (en) | 2013-08-07 | 2013-08-07 | For detecting glass heats line resistance and the detection system whether broken and method |
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| CN103389415B true CN103389415B (en) | 2016-03-09 |
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