CN104133419A - Air conditioner indoor unit evaporator joint pipe nut assembly error proofing device and air conditioner indoor unit evaporator joint pipe nut assembly error proofing method - Google Patents
Air conditioner indoor unit evaporator joint pipe nut assembly error proofing device and air conditioner indoor unit evaporator joint pipe nut assembly error proofing method Download PDFInfo
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- CN104133419A CN104133419A CN201410334671.1A CN201410334671A CN104133419A CN 104133419 A CN104133419 A CN 104133419A CN 201410334671 A CN201410334671 A CN 201410334671A CN 104133419 A CN104133419 A CN 104133419A
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Abstract
The invention discloses an air conditioner indoor unit evaporator joint pipe nut assembly error proofing device and an air conditioner indoor unit evaporator joint pipe nut assembly error proofing method. The error proofing device comprises a PLC, a photoelectric sensor, a nut inspection tool, an induction device, and an emergency stop switch. The photoelectric sensor is arranged on one side of a production assembly line behind an evaporator assembly position, and is connected with the PLC. One end of the nut inspection tool is provided with an inspection hole matched with a joint pipe nut. The induction device is arranged at the bottom of the inspection hole of the nut inspection tool, and is connected with the PLC. The emergency stop switch is connected with the PLC and used for emergency-stopping the production assembly line. By adopting the air conditioner indoor unit evaporator joint pipe nut assembly error proofing device of the invention, completely intelligent monitoring is realized, the production assembly line is stopped if an operator does not perform operation or performs operation improperly, and the occurrence of quality problems caused by wrong use of the evaporator joint pipe nut is prevented.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly relate to a kind of internal machine of air-conditioner evaporator union nut assembling error prevention device and error-preventing method.
Background technology
At present, the regular wrong quality of nut that occurs of indoor apparatus of air conditioner upstream unit input evaporator supplied materials.The mode that production line is controlled is mainly to carry out mistake proofing inspection by the artificial mode of using nut line, sleeve to overlap, but poor effect, general assembly occurs that evaporator nut remains existing despite repeated prohibition by wrong thing, main cause be employee entirely examine process cannot be completely controlled.Wrong situation for evaporator union nut, causes after sale and cannot install, and 100% complains after sale, affects corporate image.
Summary of the invention
For above-mentioned prior art present situation, technical matters to be solved by this invention is, a kind of wrong internal machine of air-conditioner evaporator union nut assembling error prevention device and error-preventing method for device nut that avoid evaporating is provided.
In order to solve the problems of the technologies described above, a kind of internal machine of air-conditioner evaporator union nut assembling error prevention device provided by the present invention, comprising:
PLC controller;
Photoelectric sensor, described photoelectric sensor is arranged on a side of the production line after assembling evaporator position, and described photoelectric sensor is connected with described PLC controller;
Nut check frock, one end of described nut check frock is provided with the inspection hole matching with described union nut;
Induction installation, described induction installation is arranged at the bottom of the inspection hole of described nut check frock, and described induction installation is connected with described PLC controller; And
Emergency stop switch, described emergency stop switch is connected with described PLC controller, and described emergency stop switch is for suddenly stopping described production line.
In an embodiment, described induction installation is microswitch therein, and the bottom of the inspection hole of described nut check frock is provided with mounting groove, and described microswitch is installed in described mounting groove.
In an embodiment, described internal machine of air-conditioner evaporator union nut assembling error prevention device also comprises therein:
Warning device, described warning device is connected with described PLC controller.
In an embodiment, described warning device is audible alarm unit or photoelectric alarm device therein.
In an embodiment, described internal machine of air-conditioner evaporator union nut assembling error prevention device also comprises therein:
Display screen, described display screen is connected with described PLC controller.
A kind of internal machine of air-conditioner evaporator union nut assembling error-preventing method provided by the present invention, comprises the steps:
One side of the production line after assembling evaporator position is installed photoelectric sensor, by photoelectric sensor, the internal machine of air-conditioner flowing through is counted, and is transferred to PLC controller;
At nut, check the bottom of the inspection hole of frock that induction installation is installed, by induction installation, to packing the union nut of inspection hole into, count, and transfer to described PLC controller;
Described PLC controller contrasts the quantity n of the quantity m of internal machine of air-conditioner and union nut, if when the difference of the quantity n of the quantity m of internal machine of air-conditioner and union nut is greater than preset value x, the emergency stop switch of described PLC controller production control streamline disconnects.
In an embodiment, described x is 10～20 therein.
Compared with prior art, internal machine of air-conditioner evaporator union nut assembling error prevention device of the present invention and error-preventing method, by photoelectric sensor, to flowing through the internal machine of air-conditioner of production line, count, by induction installation, the union nut packing in the inspection hole of nut check frock is counted, and by PLC controller, exchange the quantity of machine and the quantity of union nut in device and contrast, if comparing result is greater than preset value, the emergency stop switch of PLC controller production control streamline disconnects, thereby realized full intelligent monitoring, operator does not carry out or unreachable position, production line will be stopped line, prevented that evaporator union nut from occurring by wrong quality problems.
The beneficial effect that additional technical feature of the present invention has will partly describe in this instructions embodiment.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of the internal machine of air-conditioner evaporator union nut assembling error prevention device in the embodiment of the present invention;
Fig. 2 is the sectional structure schematic diagram of the nut check frock in the embodiment of the present invention;
Fig. 3 is the vertical view of the nut check frock in the embodiment of the present invention.
Description of reference numerals: 1, PLC controller; 2, photoelectric sensor; 3, nut check frock; 3a, inspection hole; 3b, mounting groove; 4, induction installation; 5, emergency stop switch; 6, warning device; 7, display screen.
Embodiment
Below with reference to accompanying drawing, also the present invention is described in detail in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, the feature in following embodiment and embodiment can combine mutually.
Figure 1 shows that the circuit block diagram of the internal machine of air-conditioner evaporator union nut assembling error prevention device in the embodiment of the present invention.Internal machine of air-conditioner evaporator union nut assembling error prevention device in the embodiment of the present invention comprises: PLC controller 1, photoelectric sensor 2, nut check frock 3, induction installation 4 and emergency stop switch 5, wherein, described photoelectric sensor 2 is arranged on a side of the production line after assembling evaporator position, and described photoelectric sensor 2 is connected with described PLC controller 1.The internal machine of air-conditioner that photoelectric sensor 2 is crossed streamline for convection current is counted, and transfers to PLC controller 1.
Fig. 2 and the structural representation that Figure 3 shows that the nut check frock 3 in the embodiment of the present invention, one end of described nut check frock 3 is provided with the inspection hole 3a matching with described union nut.Preferably, the bottom surface of inspection hole 3a is provided with mounting groove 3b.Nut check frock 3 is for checking union nut whether to use mistake.
Described induction installation 4 is arranged at described nut and checks in the mounting groove 3b on the inspection hole 3a bottom surface of frock 3, and described induction installation 4 is connected with described PLC controller 1.Preferably, described induction installation 4 is microswitch.Described induction installation 4 is for the union nut packing in inspection hole 3a is counted, and transfers to PLC controller 1.
Described emergency stop switch 5 is connected with described PLC controller 1, and described emergency stop switch 5 is for suddenly stopping described production line.
Internal machine of air-conditioner evaporator union nut assembling error prevention device in the embodiment of the present invention is owing to having adopted said structure, by 2 pairs of internal machine of air-conditioners that flow through production line of photoelectric sensor, count, by 4 pairs of induction installations, packing nut into checks the union nut in the inspection hole 3a of frock 3 to count, and by PLC controller 1, exchange the quantity of machine and the quantity of union nut in device and contrast, if comparing result is greater than preset value, the emergency stop switch 5 of PLC controller 1 production control streamline disconnects, thereby realized full intelligent monitoring, operator does not carry out or unreachable position, production line will be stopped line, prevented that evaporator union nut from occurring by wrong quality problems.
Preferably, internal machine of air-conditioner evaporator union nut assembling error prevention device also comprises warning device 6, and described warning device 6 is connected with described PLC controller 1.Further, described warning device 6 is audible alarm unit 6 or photoelectric alarm device 6.When comparing result is greater than preset value, send alerting signal, remind operating personnel to process.
Preferably, internal machine of air-conditioner evaporator union nut assembling error prevention device also comprises display screen 7, and described display screen 7 is connected with described PLC controller 1.By display screen 7, show in real time the comparing result of the quantity of the quantity of internal machine of air-conditioner, the quantity of union nut and internal machine of air-conditioner and the quantity of union nut, be conducive to go and find out what's going in real time.
The present invention also provides a kind of internal machine of air-conditioner evaporator union nut assembling error-preventing method, comprises the steps:
One side of step S1, the production line after assembling evaporator position is installed photoelectric sensor 2, counts, and transfer to PLC controller 1 by 2 pairs of internal machine of air-conditioners that flow through of photoelectric sensor.
Step S2, in the bottom of the inspection hole 3a of nut check frock 3, induction installation 4 is installed, by 4 pairs of union nuts that pack inspection hole 3a into of induction installation, is counted, and transfer to described PLC controller 1.
Described PLC controller 1 contrasts the quantity n of the quantity m of internal machine of air-conditioner and union nut, when if the difference of the quantity n of the quantity m of internal machine of air-conditioner and union nut is greater than preset value x, the emergency stop switch 5 of described PLC controller 1 production control streamline disconnects.Preferably, described x is 10～20, and further, X is 15.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (7)
1. an internal machine of air-conditioner evaporator union nut assembling error prevention device, is characterized in that, comprising:
PLC controller;
Photoelectric sensor, described photoelectric sensor is arranged on a side of the production line after assembling evaporator position, and described photoelectric sensor is connected with described PLC controller;
Nut check frock, one end of described nut check frock is provided with the inspection hole matching with described union nut;
Induction installation, described induction installation is arranged at the bottom of the inspection hole of described nut check frock, and described induction installation is connected with described PLC controller; And
Emergency stop switch, described emergency stop switch is connected with described PLC controller, and described emergency stop switch is for suddenly stopping described production line.
2. internal machine of air-conditioner evaporator union nut according to claim 1 assembles error prevention device, it is characterized in that, described induction installation is microswitch, and the bottom of the inspection hole of described nut check frock is provided with mounting groove, and described microswitch is installed in described mounting groove.
3. internal machine of air-conditioner evaporator union nut assembling error prevention device according to claim 1, is characterized in that, also comprises:
Warning device, described warning device is connected with described PLC controller.
4. internal machine of air-conditioner evaporator union nut assembling error prevention device according to claim 3, is characterized in that, described warning device is audible alarm unit or photoelectric alarm device.
5. internal machine of air-conditioner evaporator union nut assembling error prevention device according to claim 1, is characterized in that, also comprises:
Display screen, described display screen is connected with described PLC controller.
6. an internal machine of air-conditioner evaporator union nut assembling error-preventing method, is characterized in that, comprises the steps:
One side of the production line after assembling evaporator position is installed photoelectric sensor, by photoelectric sensor, the internal machine of air-conditioner flowing through is counted, and is transferred to PLC controller;
At nut, check the bottom of the inspection hole of frock that induction installation is installed, by induction installation, to packing the union nut of inspection hole into, count, and transfer to described PLC controller;
Described PLC controller contrasts the quantity n of the quantity m of internal machine of air-conditioner and union nut, if when the difference of the quantity n of the quantity m of internal machine of air-conditioner and union nut is greater than preset value x, the emergency stop switch of described PLC controller production control streamline disconnects.
7. internal machine of air-conditioner evaporator union nut assembling error-preventing method according to claim 6, is characterized in that, described x is 10～20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410334671.1A CN104133419B (en) | 2014-07-14 | 2014-07-14 | Internal machine of air-conditioner evaporator union nut assembles error-preventing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410334671.1A CN104133419B (en) | 2014-07-14 | 2014-07-14 | Internal machine of air-conditioner evaporator union nut assembles error-preventing method |
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| Publication Number | Publication Date |
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| CN104133419A true CN104133419A (en) | 2014-11-05 |
| CN104133419B CN104133419B (en) | 2017-09-08 |
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| CN201410334671.1A Expired - Fee Related CN104133419B (en) | 2014-07-14 | 2014-07-14 | Internal machine of air-conditioner evaporator union nut assembles error-preventing method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5808266A (en) * | 1995-06-16 | 1998-09-15 | Cecil; Dimitrios G. | Resistance projection welding system and method for welding a fastener element to a workpiece |
| CN101498601A (en) * | 2009-03-04 | 2009-08-05 | 许阳 | Automatic weighing transmission quality control system for powder compacting product |
| CN201720339U (en) * | 2010-07-16 | 2011-01-26 | 上海新朋实业股份有限公司 | Omission-proof nut riveting tool |
| CN102528417A (en) * | 2011-12-21 | 2012-07-04 | 芜湖博耐尔汽车电气系统有限公司 | Assembly error prevention device for automobile air conditioning heater, and error prevention control method |
| CN203109588U (en) * | 2013-06-13 | 2013-08-07 | 成都九鼎科技(集团)有限公司 | Anti-wrong-assembly device of assembly of parts |
| CN103470879A (en) * | 2012-06-08 | 2013-12-25 | 珠海格力电器股份有限公司 | Pipe connection nut, pipe joint assembly, air conditioner and disassembly prevention method for pipe connection nut |
| CN204044594U (en) * | 2014-07-14 | 2014-12-24 | 珠海格力电器股份有限公司 | Internal machine of air-conditioner evaporator union nut assembling error prevention device |
-
2014
- 2014-07-14 CN CN201410334671.1A patent/CN104133419B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5808266A (en) * | 1995-06-16 | 1998-09-15 | Cecil; Dimitrios G. | Resistance projection welding system and method for welding a fastener element to a workpiece |
| CN101498601A (en) * | 2009-03-04 | 2009-08-05 | 许阳 | Automatic weighing transmission quality control system for powder compacting product |
| CN201720339U (en) * | 2010-07-16 | 2011-01-26 | 上海新朋实业股份有限公司 | Omission-proof nut riveting tool |
| CN102528417A (en) * | 2011-12-21 | 2012-07-04 | 芜湖博耐尔汽车电气系统有限公司 | Assembly error prevention device for automobile air conditioning heater, and error prevention control method |
| CN103470879A (en) * | 2012-06-08 | 2013-12-25 | 珠海格力电器股份有限公司 | Pipe connection nut, pipe joint assembly, air conditioner and disassembly prevention method for pipe connection nut |
| CN203109588U (en) * | 2013-06-13 | 2013-08-07 | 成都九鼎科技(集团)有限公司 | Anti-wrong-assembly device of assembly of parts |
| CN204044594U (en) * | 2014-07-14 | 2014-12-24 | 珠海格力电器股份有限公司 | Internal machine of air-conditioner evaporator union nut assembling error prevention device |
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| CN104133419B (en) | 2017-09-08 |
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