CN103389415A - Detection system and detection method used for detecting resistance of glass heating wire and detecting whether wire breakage exists - Google Patents
Detection system and detection method used for detecting resistance of glass heating wire and detecting whether wire breakage exists Download PDFInfo
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- CN103389415A CN103389415A CN2013103411190A CN201310341119A CN103389415A CN 103389415 A CN103389415 A CN 103389415A CN 2013103411190 A CN2013103411190 A CN 2013103411190A CN 201310341119 A CN201310341119 A CN 201310341119A CN 103389415 A CN103389415 A CN 103389415A
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Abstract
The invention discloses a detection system and a detection method used for detecting resistance of a glass heating wire and detecting whether wire breakage exists. The detection system comprises a rack, a conveying wire arranged on the rack and used for conveying glass, a direct current power supply, and a thermal imager connected with an outer computer, wherein the conveying wire comprises a resistance detection section and a lower sheet conveying section; the resistance detection section is provided with a locating device used for locating the glass; a resistance detection device used for detecting the resistance of the glass is arranged above the resistance detection section, and is provided with two probes capable of lifting up and down; the direct current power supply is electrically connected with the two probes; and the thermal imager is arranged above the resistance detection section. According to the detection system and the detection method, the resistance of the glass heating wire and whether the wire breakage exists can be detected simultaneously, so that the cost of purchasing two sets of equipment is lowered; the production efficiency is improved; and the detection system and the detection method have significance in improving the detection precision and the automation degree of the equipment.
Description
Technical field
The present invention relates to a kind of glass checkout equipment, particularly relate to a kind of detection system and detection method that whether breaks that reach for detection of the glass heats line resistance.
Background technology
Be provided with heater wire on vehicle glass, the effect of heater wire is to switch on rear heating to eliminate the frost mist that produces on vehicle glass, and in order to improve defrosting effect, the heater wire on vehicle glass is net distribution usually.
In present glass processing industry, the resistance of glass heating wire mainly relies on manually and detects, during detection, the workman grasps the both positive and negative polarity of resistance measurement instrument, and with two access points of the both positive and negative polarity of resistance measurement instrument aligning glass heating wire, display screen according to the resistance measurement instrument carries out reading, the resistance value that will record by the resistance conversion table again converts, obtain real resistance value, have the defects such as efficiency is low, labour intensity is high but rely on manually to detect, can not meet the demand that glass is produced in enormous quantities.
Publication number is that the Chinese invention patent of 103018560A has disclosed 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 comprised of the conveying roller that several along continuous straight runs are arranged side by side, each conveying roller rotates under the drive of servo drive system, thereby drives the glass motion; Positioning unit is comprised of several backstays that vertically arrange, and each backstay moves under the drive of servo drive system, thereby glass positioning clamp is tight; The 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, at first glass is delivered to the detection station, and then puts down two probes, two probes are contacted with two access points of heater wire on glass, draw again the resistance of glass finally by treating apparatus.Although this device has been realized the online detection of glass resistor, consistance and the accuracy of detection of resistance detection have been improved, reduced workman's labour intensity, improved production efficiency, but this device can not detect heater wire on glass and whether have broken string, need to detect heater wire on glass by miscellaneous equipment and whether have broken string, has so not only increased the producer and has purchased the cost of two equipment, and, due to the needs secondary detection, reduced production efficiency.
Summary of the invention
The object of the present invention is to provide a kind of while can detect glass heats line resistance and the detection system that whether breaks and detection method, not only can reduce by this detection system and detection method the cost of buying two equipment, and can also enhance productivity, guarantee accuracy of detection.
The present invention has adopted following technical scheme:
a kind of detection system that whether breaks that reaches for detection of the glass heats line resistance, comprise frame and be arranged on frame pipeline for delivery of glass, described pipeline comprises resistance detection section and lower 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 detection of glass resistor, but described resistor detecting device has the probe of two oscilaltions, also comprise direct supply and the thermal imaging system that is connected with outer computer, described direct supply is electrically connected to two probes, described thermal imaging system is arranged on the top of resistance detection section.
Further, described resistor detecting device comprises the resistance instrument that is connected with outer computer, and described resistance instrument is electrically connected to two probes, and resistance instrument, two probes and heater wire on glass form the resistance detection loop when measuring.
Further, also comprise the temperature controller for detection of the glass surface temperature, described temperature controller connects outer computer.
Further, also comprise the sensor whether resistance detection section for detection of pipeline goes up slice and be connected the PLC controller that is used for controlling locating device and pipeline action with sensor.
Further, described pipeline comprises the conveying roller that several along continuous straight runs are arranged side by side and is used for driving the driving mechanism that each conveying roller rotates, interval setting between described conveying roller.
Further, described locating device comprises the left and right positioning unit that the glass arranged on left and right sides is positioned along throughput direction and the forward and backward positioning unit that the forward and backward both sides of glass are positioned, but described left and right positioning unit has two vertical backstays that are separately positioned on the left and right motion in gap of arranged on left and right sides and conveying roller at least, described forward and backward positioning unit has at least two and is separately positioned on forward and backward both sides and can be along the forward and backward vertical backstay that moves 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 the nitrile rubber material.
A kind of detection method that whether breaks that reaches for detection of the glass heats line resistance, comprise the steps:
S1: the glass that operation of upper step is obtained is placed on the resistance detection section of pipeline, and glass positioning clamp is tight, then performs step S2;
S2: put down two probes, two probes are contacted with the access point of glass heating wire, this moment, the resistance instrument recorded the resistance of heater wire, and the resistance that will record is sent to outer computer, temperature controller records the temperature of glass surface simultaneously, and the temperature that will record is sent to outer computer, outer computer is transferred the resistance range of heater wire automatically according to the temperature that records, if the resistance that the resistance instrument records is not in this resistance range, the resistance instrument sends alerting signal, if the resistance that the resistance instrument records in this resistance range, performs step S3;
S3: open direct supply, heater wire heating power on glass, thermal imaging system carries out image data acquiring to the heating situation of glass heating wire, and the data that will gather are sent to outer computer, and outer computer is analyzed the data that gather automatically, and judge whether heater wire exists broken string, if there is broken string, thermal imaging system sends alerting signal, finds out the broken string position by the image of observing the thermal imaging system collection simultaneously,, if there is not broken string, perform step S4;
S4: after detection was completed, locating device and two probes were return initial position, and pipeline is delivered to lower transportation section with glass, takes off glass.
Compared with prior art, remarkable result of the present invention is:
(1) owing to having increased direct supply and thermal imaging system, therefore not only can measure the resistance of glass heating wire when measuring, but also can carry out image data acquiring to the heating situation of glass heating wire by thermal imaging system, and according to the view data that gathers, judge whether heater wire exists broken string, buy two equipment to the resistance of heater wire and whether break and detect respectively with regard to not needing like this, reduced the cost of buying two equipment, simultaneously due to the resistance that detects heater wire with whether to break be that one-shot measurement is completed, so also improved production efficiency;
(2) the present invention adopts computing machine automatically the data that record to be compared, and compares manually, has not only improved efficiency, but also has guaranteed accuracy of detection;
(3) the present invention has realized automatic control to pipeline, locating device and probe by sensor and PLC controller, has improved the automaticity of equipment.
Description of drawings
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 structural drawing of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
referring to Fig. 1 to Fig. 5, a kind of detection system that whether breaks that reaches for detection of the glass heats line resistance, comprise frame 1 and be arranged on frame 1 pipeline for delivery of glass, the conveying roller 2 that pipeline is arranged side by side by several along continuous straight runs and being used for drives the driving mechanism that each conveying roller 2 rotates and forms, between each conveying roller 2, interval arranges, pipeline comprises resistance detection section and lower transportation section, driving mechanism comprises the first drive motor that rotates for each conveying roller that drives the resistance detection section and is used for the second drive motor that under drive, each conveying roller of sheet transportation section rotates, the first drive motor and the second drive motor drive each conveying roller by driving member (as driving-chain) and rotate, the 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, rear both sides position before, rear positioning unit, wherein, left, right positioning unit have four in twos 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, thereby glass positioning clamp is tight, in order to reach this purpose, conveying roller 2 belows have the first guide rail that arranges along the 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 also is positioned at the vertical backstay 3 in conveying roller centre position, before during location, two backstays 3 of rear positioning unit move and mutually draw close along throughput direction, thereby glass positioning clamp is tight, after detection is completed, before, 90 ° of two backstays, 3 turnovers of rear positioning unit, by conveying roller 2, glass is transported to lower transportation section again, in order to reach this purpose, the below of conveying roller has the second guide rail that arranges along throughput direction, before, two backstays 3 of rear positioning unit under the drive of drive unit along the second guide rail movement, and front, two backstays 3 of rear positioning unit adopt hinged setting, carry out 90 ° of turnovers under the effect of retractor device (as the electric expansion cylinder).
The top of resistance detection section is provided with the resistor detecting device for detection of glass resistor, resistor detecting device comprises resistance instrument 4 and two probes 5, two probes 5 are electrically connected to resistance instrument 4, and two probes 5 are connected on the telescopic arm of two electric expansion cylinders 6, when stretching, the telescopic arm of electric expansion cylinder 6 drives probe 5 oscilaltions,, in order to regulate the angle of probe 5, be provided with universal wheel 7 on the telescopic arm of electric expansion cylinder 6 simultaneously, 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 controller, resistance instrument 4 connects outer computer, be sent to outer computer for detection of the resistance of glass heating wire and the data that will detect, the resistance formation resistance detection loop of resistance instrument 4, two probes 5 and glass heating wire when measuring; Thermal imaging system 9 is arranged on the resistance detection section top of pipeline and with outer computer, is connected, and for the view data of the heating situation of heater wire on glass being carried out image data acquiring and will gather, is sent to outer computer; Temperature controller connects outer computer, is used for detecting the temperature of glass surface when measuring; Sensor is connected with the PLC controller, whether the resistance detection section for detection of pipeline goes up slice (glass is placed on the resistance detection section), if upper slice, 5 declines of two probes of PLC controller control contact with the access point of glass heating wire, control simultaneously each backstay 3 motions glass positioning clamp is tight; After detection is completed, the conveying roller 2 that the PLC controller controls that two probes 5 are return initial position, four backstays 3 controlling left and right positioning unit are return initial position, control two backstays, 3 90 ° of the turnovers of forward and backward positioning unit, controlling resistance detection segment rotates glass is delivered to lower transportation section, then take off glass, complete the detection to glass heating wire.
Be transported to the edge of pipeline for fear of glass after detection is completed and drop, pipeline is unpowered conveying roller along last three conveying rollers 2 of throughput direction, so just can not be damaged because of the glass ground of dropping; Conveying roller adopts the nitrile rubber material, and nitrile rubber has good thermotolerance and wearing quality, helps the serviceable life of extension device.
The detection method of the present embodiment is as follows:
S1: the glass that operation of upper step is obtained is placed on the resistance detection section of pipeline, and glass positioning clamp is tight, then performs step S2;
S2: put down two probes, two probes are contacted with the access point of glass heating wire, this moment, the resistance instrument recorded the resistance of heater wire, and the resistance that will record is sent to outer computer, temperature controller records the temperature of glass surface simultaneously, and the temperature that will record is sent to outer computer, outer computer is transferred the resistance range of heater wire automatically according to the temperature that records, if the resistance that the resistance instrument records is not in this resistance range, the resistance instrument sends alerting signal, if the resistance that the resistance instrument records in this resistance range, performs step S3;
S3: open direct supply, heater wire heating power on glass, thermal imaging system carries out image data acquiring to the heating situation of glass heating wire, and the data that will gather are sent to outer computer, and outer computer is analyzed the data that gather automatically, and judge whether heater wire exists broken string, if there is broken string, thermal imaging system sends alerting signal, finds out the broken string position by the image of observing the thermal imaging system collection simultaneously,, if there is not broken string, perform step S4;
S4: after detection was completed, locating device and two probes were return initial position, and pipeline is delivered to lower transportation section with glass, takes off glass.
Need to prove finally, above embodiment is only in order to illustrate technical scheme of the present invention but not the restriction technologies scheme, although the applicant has been described in detail the present invention with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, those are modified or are equal to replacement technical scheme of the present invention, and do not break away from aim and the scope of the technical program, all should be encompassed in the middle of claim scope of the present invention.
Claims (9)
1. one kind reaches the detection system that whether breaks for detection of the glass heats line resistance, comprise frame and be arranged on frame pipeline for delivery of glass, described pipeline comprises resistance detection section and lower 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 detection of glass resistor, but described resistor detecting device has the probe of two oscilaltions, it is characterized in that, also comprise direct supply and the thermal imaging system that is connected with outer computer, described direct supply is electrically connected to two probes, described thermal imaging system is arranged on the top of resistance detection section.
2. according to claim 1 for detection of glass heats line resistance and the detection system that whether breaks, it is characterized in that, described resistor detecting device comprises the resistance instrument that is connected with outer computer, described resistance instrument is electrically connected to two probes, and resistance instrument, two probes and heater wire on glass form the resistance detection loop when measuring.
3. the detection system that whether breaks that reaches for detection of the glass heats line resistance according to claim 2, is characterized in that, also comprise the temperature controller for detection of the glass surface temperature, described temperature controller connects outer computer.
4. any one is described for detection of glass heats line resistance and the detection system that whether breaks according to claim 1-3, it is characterized in that, also comprise the sensor whether resistance detection section for detection of pipeline goes up slice and be connected the PLC controller that is used for controlling locating device and pipeline action with sensor.
5. according to claim 4 for detection of glass heats line resistance and the detection system that whether breaks, it is characterized in that, described pipeline comprises the conveying roller that several along continuous straight runs are arranged side by side and is used for driving the driving mechanism that each conveying roller rotates, interval setting between described conveying roller.
6. according to claim 5 for detection of glass heats line resistance and the detection system that whether breaks, it is characterized in that, described locating device comprises along throughput direction left to glass, the left side that right both sides position, right positioning unit and to before glass, rear both sides position before, rear positioning unit, a described left side, right positioning unit has at least two and is separately positioned on a left side, but the gap of right both sides and conveying roller is left, the vertical backstay of right motion, before described, rear positioning unit have at least two be separately positioned on before, rear both sides also can be before throughput direction, the vertical backstay of rear motion, and front, the vertical backstay of rear positioning unit can carry out 90 ° of turnovers.
7. the detection system that whether breaks that reaches for detection of the glass heats line resistance according to claim 5, is characterized in that, described pipeline is unpowered conveying roller along last three conveying rollers of throughput direction.
8. the detection system that whether breaks that reaches for detection of the glass heats line resistance according to claim 5, is characterized in that, described conveying roller adopts the nitrile rubber material.
9. the detection method that whether breaks that reaches for detection of the glass heats line resistance as claimed in claim 3, is characterized in that, comprises the steps:
S1: the glass that operation of upper step is obtained is placed on the resistance detection section of pipeline, and glass positioning clamp is tight, then performs step S2;
S2: put down two probes, two probes are contacted with the access point of glass heating wire, this moment, the resistance instrument recorded the resistance of heater wire, and the resistance that will record is sent to outer computer, temperature controller records the temperature of glass surface simultaneously, and the temperature that will record is sent to outer computer, outer computer is transferred the resistance range of heater wire automatically according to the temperature that records, if the resistance that the resistance instrument records is not in this resistance range, the resistance instrument sends alerting signal, if the resistance that the resistance instrument records in this resistance range, performs step S3;
S3: open direct supply, heater wire heating power on glass, thermal imaging system carries out image data acquiring to the heating situation of glass heating wire, and the data that will gather are sent to outer computer, and outer computer is analyzed the data that gather automatically, and judge whether heater wire exists broken string, if there is broken string, thermal imaging system sends alerting signal, finds out the broken string position by the image of observing the thermal imaging system collection simultaneously,, if there is not broken string, perform step S4;
S4: after detection was completed, locating device and two probes were return initial position, and pipeline is delivered to lower transportation section with glass, 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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Cited By (10)
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| CN104007121A (en) * | 2014-04-02 | 2014-08-27 | 福耀集团长春有限公司 | Broken line detection apparatus used in glass heating line detection line |
| CN104458434A (en) * | 2014-12-19 | 2015-03-25 | 积架宝威汽车配件(深圳)有限公司 | Service life test device of car connecting wire |
| CN106442625A (en) * | 2016-09-29 | 2017-02-22 | 上海热像机电科技股份有限公司 | Rear windshield glass heating wire detecting system and method based on infrared thermal imaging technology |
| CN106771740A (en) * | 2016-12-14 | 2017-05-31 | 乳源南岭智能家用机械有限公司 | Toilet heats the automatic testing equipment of seat ring |
| CN107167688A (en) * | 2017-05-05 | 2017-09-15 | 福耀玻璃工业集团股份有限公司 | A kind of detection means of vehicle glass conductive printed wire |
| CN108490305A (en) * | 2018-03-29 | 2018-09-04 | 华东理工大学 | A kind of wired broken string automatic testing method of automotive front baffle wire glass |
| CN108954462A (en) * | 2018-08-23 | 2018-12-07 | 东莞市凯勒帝数控科技有限公司 | A kind of resistive heater fault detection means of solid heat storage boiler |
| CN109917188A (en) * | 2019-04-08 | 2019-06-21 | 上海维誉自动化设备有限公司 | A kind of GT furnace detection resistance line breaking equipment |
| CN111220275A (en) * | 2019-12-09 | 2020-06-02 | 福耀集团（上海）汽车玻璃有限公司 | Wire clamping and breaking detection device, production line and detection method for wire clamping glass |
| CN113640348A (en) * | 2021-08-12 | 2021-11-12 | 广汽丰田汽车有限公司 | Quality inspection method and device for windshield defogging device and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106442625A (en) * | 2016-09-29 | 2017-02-22 | 上海热像机电科技股份有限公司 | Rear windshield glass heating wire detecting system and method based on infrared thermal imaging technology |
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| CN108490305A (en) * | 2018-03-29 | 2018-09-04 | 华东理工大学 | A kind of wired broken string automatic testing method of automotive front baffle wire glass |
| CN108954462A (en) * | 2018-08-23 | 2018-12-07 | 东莞市凯勒帝数控科技有限公司 | A kind of resistive heater fault detection means of solid heat storage boiler |
| CN108954462B (en) * | 2018-08-23 | 2021-08-24 | 东莞市凯勒帝数控科技有限公司 | Heating resistor wire fault detection device of solid heat storage boiler |
| CN109917188A (en) * | 2019-04-08 | 2019-06-21 | 上海维誉自动化设备有限公司 | A kind of GT furnace detection resistance line breaking equipment |
| CN111220275A (en) * | 2019-12-09 | 2020-06-02 | 福耀集团（上海）汽车玻璃有限公司 | Wire clamping and breaking detection device, production line and detection method for wire clamping glass |
| CN113640348A (en) * | 2021-08-12 | 2021-11-12 | 广汽丰田汽车有限公司 | Quality inspection method and device for windshield defogging device and storage medium |
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