Error prevention method for evaporator connection nut assembly of air conditioner inner unit
A technology for taking over nuts and air conditioners, applied in instruments, simulators, computer control, etc., can solve the problems of wrong use of evaporator nuts, inability to install, and inability to fully control the entire inspection process by employees.
Inactive Publication Date: 2017-09-08
GREE ELECTRIC APPLIANCES INC
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Problems solved by technology
The production line control method mainly relies on manual use of nuts to mark lines and sleeves to carry out error-proof inspections, but the effect is not good. There are repeated incidents of evaporator nuts being used wrongly in the final assembly. The main reason is the full inspection process of employees. cannot be fully controlled
Wrong use of the evaporator connection nut, resulting in failure to install after-sales, 100% after-sales complaints, affecting corporate image
Method used
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[0027] The present invention will be described in detail below with reference to the accompanying drawings and examples. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.
[0028] figure 1 Shown is the circuit block diagram of the anti-error device for assembling the connecting nut of the evaporator of the air conditioner internal unit in the embodiment of the present invention. In the embodiment of the present invention, the anti-error device for assembling the pipe nut of the internal unit evaporator of the air conditioner includes: a PLC controller 1, a photoelectric sensor 2, a nut inspection tool 3, an induction device 4 and an emergency stop switch 5, wherein the photoelectric sensor 2 It is arranged on one side of the production line after the evaporator is assembled, and the photoelectric sensor 2 is connected with the PLC controller 1 . The photoelectric sensor 2 is used to...
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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 [0001] The invention relates to the technical field of air conditioners, in particular to an anti-error device and an anti-error method for assembling a connecting nut of an evaporator of an air conditioner. Background technique [0002] At present, the upstream units of the air-conditioning indoor unit often use the wrong quality nuts for the incoming materials input to the evaporator. The control method of the production line mainly relies on manually using nuts to mark lines and sleeves to carry out error-proof inspections, but the effect is not good. There are repeated incidents of evaporator nuts being used wrongly in the final assembly. The main reason is the full inspection process of employees Cannot be fully controlled. Wrong use of the evaporator union nut makes it impossible to install after-sales, and 100% of after-sales complaints affect the corporate image. Contents of the invention [0003] In view of the above-mentioned current state of th...
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IPC IPC(8): G05B19/406
Inventor 罗劲庭冯春海陈龙飞王汉文李焕
Owner GREE ELECTRIC APPLIANCES INC