CN103616589B - A kind of electric cooker reliability detection device - Google Patents
A kind of electric cooker reliability detection device Download PDFInfo
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- CN103616589B CN103616589B CN201310616198.1A CN201310616198A CN103616589B CN 103616589 B CN103616589 B CN 103616589B CN 201310616198 A CN201310616198 A CN 201310616198A CN 103616589 B CN103616589 B CN 103616589B
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- electric cooker
- programmable logic
- logic controller
- pressure cylinder
- mechanical arm
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Abstract
The invention discloses a kind of electric cooker reliability detection device, computing machine is by communication interface and Programmable Logic Controller communication, receive the data that Programmable Logic Controller passes over, send control information to Programmable Logic Controller, Programmable Logic Controller is connected by the solenoid valve of output terminal with topworks and controls topworks and operates electric cooker device, the measuring junction of electrical parameter analysis instrument is connected metering circuit parameter with electric cooker operating circuit, and the data output end of electrical parameter analysis instrument is connected with the input end of Programmable Logic Controller will detect data feedback to Programmable Logic Controller.This device can realize the function automatically detected electric cooker reliability, changes the situation in the past relying on manual detection and record, greatly increases work efficiency.
Description
Technical field
The present invention relates to a kind of electric cooker reliability detection device.
Background technology
Reliability engineering comes across military domain the earliest, that the reliability index (as: failure rate, mean free error time, fiduciary level etc.) of serviceability analytical approach to product and parts thereof carries out qualitative or quantitative description, to determine that product reliability requires whether to be met.Be used widely in a lot of field, as military field, field of aerospace, medical industry and automobile industry etc. at present.The application of reliability engineering, improving the quality of products, meets better in consumer demand etc. and achieves very large effect.In household electrical appliance, the electric heating class family expenses device cycle in serviceable life is often shorter, launches reliability consideration and test particularly necessity to it.Still electric cooker reliability is not carried out to the device of detection automatically in the market, often rely on technician manually to detect and record electric cooker modules, workload is large and efficiency is low.
Summary of the invention
The object of this invention is to provide a kind of electric cooker reliability automatic detection device, can greatly lower staff workload, improve detection efficiency.
Computing machine is by communication interface and Programmable Logic Controller communication, receive the data that Programmable Logic Controller passes over, send control information to Programmable Logic Controller, the output terminal Controlling solenoid valve of Programmable Logic Controller and topworks carry out test operation to electric cooker device, the measuring junction of electrical parameter analysis instrument is connected with electric cooker operating circuit, metering circuit parameter, and data feedback will be detected to Programmable Logic Controller by communication interface;
Primary heater detects topworks and comprises the first mechanical arm and the first pressure cylinder, first mechanical arm is relative with electric cooker button, first mechanical arm can press electric cooker button by the work of electric cooker primary heater under the first pressure cylinder drives, the switch of the first pressure cylinder is connected with the solenoid valve of primary heater detection module output terminal, and the relay of time control module output terminal connects the feed circuit of electric cooker;
Additional electrical thermal element detects topworks and comprises the second mechanical arm and the second pressure cylinder, second mechanical arm is relative with electric cooker button, second mechanical arm upwards can head on electric cooker button by the work of electric cooker additional electrical thermal element under the second pressure cylinder drives, and the switch of the second pressure cylinder is connected with the solenoid valve of additional electrical thermal element detection module output terminal;
Temperature controller detects topworks and comprises heat-conducting metal block, the 3rd pressure cylinder and force cooling fan, heat-conducting metal block is placed on temperature controller, driven can be moved up and down by pressure cylinder, heat-conducting metal block is fallen to be placed on temperature controller, and mention the top hanging on temperature controller, after heat-conducting metal block promotes, automatically carry out air blast cooling but to temperature controller, the switch of the 3rd pressure cylinder and the switch of fan are connected with the solenoid valve of thermostat detection module output terminal and relay respectively.
Electric cooker reliability detection device of the present invention, control the first pressure cylinder by primary heater detection module and drive the first mechanical arm pressing electric cooker button, make the work of electric cooker primary heater, time control module is by Control electric cooker power-on time, electrical parameter analysis instrument carries out electrical parameters detection, and the data feedback detected to Programmable Logic Controller, Programmable Logic Controller passes to computing machine test figure again, can realize detecting the reliability of electric cooker primary heater.
Controlling the second pressure cylinder by additional electrical thermal element detection module drives the second mechanical arm to promote electric cooker switch to being incubated shelves, electric cooker additional electrical thermal element is made to enter duty, electrical parameter analysis instrument carries out current detecting, and test figure is fed back to Programmable Logic Controller, Programmable Logic Controller passes to computing machine test figure again, realizes detecting electric cooker additional electrical thermal element reliability.
Controlling the 3rd pressure cylinder by thermostat detection module drives heat-conducting metal block to be pressed onto on temperature controller, heat-conducting metal block is allowed fully to contact with temperature controller, electric cooker starts heating, when temperature exceedes thermostat limit value, controller for electric cooker pops up and enters keeping warm mode, at this moment Programmable Logic Controller detects curent change by electrical parameter analysis instrument, control fan is opened, temperature controller is lowered the temperature, when temperature is reduced to below thermostat limit value, thermostat detection module presses down controller for electric cooker by the 3rd pressure cylinder drived control heat-conducting metal block again, electrical parameter analysis instrument carries out current detecting, and test figure is fed back to Programmable Logic Controller, Programmable Logic Controller passes to computing machine test figure again, realize detecting electric cooker thermostat reliability.
Electric cooker reliability detection device of the present invention, its set of device can realize all fail-tests such as primary heater, auxiliary heater, temperature controller simultaneously, it achieves the robotization of electric cooker fail-test, improve the automaticity that electric cooker reliability detects, significantly decrease the demand of person works's amount and staff, substantially increase work efficiency, and achieve the accurate control of test condition, experimental result more accurately, reliably.
Accompanying drawing explanation
Fig. 1 is electric cooker reliability detection device structure principle chart of the present invention.
Fig. 2 is electric cooker reliability detection device system chart of the present invention.
Fig. 3 is Programmable Logic Controller interfacing circuitry figure.
Fig. 4 is each device power source wiring schematic diagram of electric cooker.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, a kind of electric cooker reliability detection device of Fig. 4, computing machine connects and connects Programmable Logic Controller by communication interface (as: RS232 interface), receive the data that Programmable Logic Controller passes over, sending controling instruction is to Programmable Logic Controller, the model DVP16ES200R of Programmable Logic Controller, Programmable Logic Controller and electrical parameter analysis instrument connect power supply respectively, the measuring junction of electrical parameter analysis instrument is connected metering circuit parameter with electric cooker operating circuit, the data output end of electrical parameter analysis instrument is connected with the input end of Programmable Logic Controller, and data feedback will be detected to Programmable Logic Controller DVP16ES200R by communication interface (as: RS232 interface).Programmable Logic Controller DVP16ES200R includes primary heater detection module and time control module, primary heater detects topworks and comprises the first mechanical arm and the first pressure cylinder, first mechanical arm is relative with electric cooker button, first mechanical arm can press electric cooker shift knob by the work of electric cooker primary heater under the first pressure cylinder drives, and the switch V1 of the first pressure cylinder is connected with the solenoid valve of primary heater detection module output terminal Y6.Primary heater detects topworks and can be pneumatic switch, and when the electricity work of pneumatic switch, promote electric cooker button actions, well heater work lived by electric cooker.The relay of time control module output terminal Y0 connects the feed circuit K1 of electric cooker, and time control module shakes clock timing with inside, is that the cycle is at the outside transponder pulse signal of each time point with 30min-10min-30min-10min.
When carrying out primary heater reliability detection experiment, primary heater detection module controls the first pressure cylinder and drives the first mechanical arm to press pressure electric cooker button, electric cooker primary heater works, now, time control module passes through transponder pulse signal to Control electric cooker power-on time, with the 30min that is energized, power failure 10min repeated to make for 500 times be 250 ± 2.5h in one cycle accumulative conduction time.Electrical parameter analysis instrument carries out electrical parameters detection, and the data feedback detected to Programmable Logic Controller DVP16ES200R, Programmable Logic Controller DVP16ES200R passes to computing machine test figure and test period again, shown by display, if break down circuit, disconnect and stop testing and giving the alarm.Operating personnel can obtain primary heater reliability testing result by the data of reading and process computer record.
Also additional electrical thermal element detection module can be contained in Programmable Logic Controller DVP16ES200R, in order to expand the port of Programmable Logic Controller DVP16ES200R, Programmable Logic Controller DVP16ES200R is also connected with expansion module DVP08XM211N to increase the quantity of output port, additional electrical thermal element detects topworks and comprises the second mechanical arm and the second pressure cylinder, second mechanical arm is relative with electric cooker button, second mechanical arm can promote electric cooker button and arrive insulation shelves under the second pressure cylinder drives, allow the work of electric cooker additional electrical thermal element, the relay of output terminal Y1 connects the feed circuit K3 of electric cooker, the switch V3 of the second pressure cylinder is connected with the solenoid valve of additional electrical thermal element detection module output terminal (the YO port of expansion module DVP08XM211N).
When carrying out additional motor thermal element reliability detection experiment, additional electrical thermal element detection module controls topworks to promotion electric cooker switch to being incubated shelves, electric cooker additional electrical thermal element is made to enter duty, time control module makes it with the 30min that is energized by the feed circuit of Control electric cooker, and power failure 10min repeated 500 times in one cycle; Electrical parameter analysis instrument carries out current detecting, and test figure is fed back to Programmable Logic Controller DVP16ES200R, Programmable Logic Controller DVP16ES200R passes to computing machine test figure and test period again and shows, if break down circuit, disconnects and stops testing and giving the alarm.
Programmable Logic Controller DVP16ES200R also can comprise thermostat detection module, temperature controller detects topworks and comprises heat-conducting metal block, can be copper billet, also can be aluminium block, iron block, silver bullion etc., pressure cylinder and pressure cooling fan, copper billet is placed on temperature controller, driven can be moved up and down by the 3rd pressure cylinder, copper billet is fallen and is placed on temperature controller, and mention the top hanging on temperature controller, after heat-conducting metal block is mentioned, air blast cooling is carried out but to thermostat, the relay of output terminal Y2 connects the feed circuit K3 of electric cooker, the switch V2 of the 3rd pressure cylinder is connected with the solenoid valve Y7 of thermostat detection module output terminal, the switch M1 of fan is connected with the relay Y3 of thermostat detection module output terminal.
When carrying out temperature controller reliability detection experiment, thermostat detection module drives copper billet to be pressed onto on temperature controller by solenoid control the 3rd pressure cylinder, fully contact with temperature controller, electric cooker starts heating, when temperature exceedes thermostat limit value, controller for electric cooker pops up and enters keeping warm mode, at this moment Programmable Logic Controller DVP16ES200R detects curent change by electrical parameter analysis instrument, control fan is opened, temperature controller is lowered the temperature, when temperature is reduced to below thermostat limit value, thermostat detection module presses down controller for electric cooker by pressure cylinder drived control copper billet again, so 30000 times repeatedly.Electrical parameter analysis instrument carries out current detecting, and test figure is fed back to Programmable Logic Controller DVP16ES200R, Programmable Logic Controller DVP16ES200R passes to computing machine test figure and test period again and shows, if break down circuit, disconnects and stops testing and giving the alarm.
Described electric cooker reliability detection device, its set of device can realize all fail-tests such as primary heater, auxiliary heater, temperature controller simultaneously, it achieves the robotization of electric cooker fail-test, improve the automaticity that electric cooker reliability detects, significantly decrease the demand of person works's amount and staff, substantially increase work efficiency, and achieve the accurate control of test condition, experimental result more accurately, reliably.
Pressure cylinder described in above embodiment adopts cylinder or hydraulic cylinder, computing machine is built with the interface software of display data, the data that real-time process and display Programmable Logic Controller pass over, intuitive and convenient, and computing machine can be utilized to preserve data, adopt RS232 interface to carry out communication between Programmable Logic Controller, electrical parameter analysis instrument, computing machine, guarantee that data are transmitted stable.
Electric cooker reliability detection device in above embodiment, by the operation that Controlled by Programmable Controller topworks is correlated with to electric cooker, electrical parameter analysis instrument will detect data feedback to Programmable Logic Controller, Programmable Logic Controller passes to computing machine again and processs and displays, achieve electric cooker reliability automatically to detect and data record, eliminate passing dependence and manually associative operation and record are carried out to electric cooker, improve the automaticity that electric cooker reliability detects, decrease the workload of staff, substantially increase work efficiency.
Claims (4)
1. an electric cooker reliability detection device, it is characterized in that: computing machine is by communication interface and Programmable Logic Controller communication, receive the data that Programmable Logic Controller passes over, send control information to Programmable Logic Controller, the output terminal Controlling solenoid valve of Programmable Logic Controller and topworks carry out test operation to electric cooker device, the measuring junction of electrical parameter analysis instrument is connected with electric cooker operating circuit, metering circuit parameter, and will detect data feedback to Programmable Logic Controller by communication interface;
Primary heater detects topworks and comprises the first mechanical arm and the first pressure cylinder, first mechanical arm is relative with electric cooker button, first mechanical arm can press electric cooker button by the work of electric cooker primary heater under the first pressure cylinder drives, the switch of the first pressure cylinder is connected with the solenoid valve of primary heater detection module output terminal, and the relay of time control module output terminal connects the feed circuit of electric cooker;
Additional electrical thermal element detects topworks and comprises the second mechanical arm and the second pressure cylinder, second mechanical arm is relative with electric cooker button, second mechanical arm upwards can head on electric cooker button by the work of electric cooker additional electrical thermal element under the second pressure cylinder drives, and the switch of the second pressure cylinder is connected with the solenoid valve of additional electrical thermal element detection module output terminal;
Temperature controller detects topworks and comprises heat-conducting metal block, the 3rd pressure cylinder and force cooling fan, heat-conducting metal block is placed on temperature controller, driven can be moved up and down by pressure cylinder, heat-conducting metal block is fallen to be placed on temperature controller, and mention the top hanging on temperature controller, after heat-conducting metal block promotes, automatically carry out air blast cooling but to temperature controller, the switch of the 3rd pressure cylinder and the switch of fan are connected with the solenoid valve of thermostat detection module output terminal and relay respectively.
2. electric cooker reliability detection device according to claim 1, is characterized in that: electrical parameter analysis instrument carries out communication by RS232 interface and Programmable Logic Controller.
3. electric cooker reliability detection device according to claim 1, is characterized in that: computing machine carries out communication by RS232 interface and Programmable Logic Controller.
4. electric cooker reliability detection device according to claim 1, is characterized in that: the model of Programmable Logic Controller is DVP16ES200R.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310616198.1A CN103616589B (en) | 2013-11-28 | 2013-11-28 | A kind of electric cooker reliability detection device |
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| CN201310616198.1A CN103616589B (en) | 2013-11-28 | 2013-11-28 | A kind of electric cooker reliability detection device |
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| CN103616589A CN103616589A (en) | 2014-03-05 |
| CN103616589B true CN103616589B (en) | 2016-03-02 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5892967A (en) * | 1981-11-30 | 1983-06-02 | Nec Kyushu Ltd | Reliability evaluation testing method of semiconductor device |
| CN1522641A (en) * | 2003-02-21 | 2004-08-25 | 乐金电子(天津)电器有限公司 | Electric cooker reliability checking method |
| CN101232279A (en) * | 2007-01-25 | 2008-07-30 | 盛群半导体股份有限公司 | Touching type switch apparatus of electronic cook ware and input method thereof |
| CN201352238Y (en) * | 2008-12-24 | 2009-11-25 | 天津雷沃动力股份有限公司 | Automatic test system for reliability of resistance heater |
-
2013
- 2013-11-28 CN CN201310616198.1A patent/CN103616589B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5892967A (en) * | 1981-11-30 | 1983-06-02 | Nec Kyushu Ltd | Reliability evaluation testing method of semiconductor device |
| CN1522641A (en) * | 2003-02-21 | 2004-08-25 | 乐金电子(天津)电器有限公司 | Electric cooker reliability checking method |
| CN101232279A (en) * | 2007-01-25 | 2008-07-30 | 盛群半导体股份有限公司 | Touching type switch apparatus of electronic cook ware and input method thereof |
| CN201352238Y (en) * | 2008-12-24 | 2009-11-25 | 天津雷沃动力股份有限公司 | Automatic test system for reliability of resistance heater |
Non-Patent Citations (1)
| Title |
|---|
| 电饭锅能效检测系统的研制;余轩等;《家电科技》;20090731;51页 * |
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Granted publication date: 20160302 Termination date: 20191128 |