CN103616589A - Electric cooker reliability detection device - Google Patents
Electric cooker reliability detection device Download PDFInfo
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- CN103616589A CN103616589A CN201310616198.1A CN201310616198A CN103616589A CN 103616589 A CN103616589 A CN 103616589A CN 201310616198 A CN201310616198 A CN 201310616198A CN 103616589 A CN103616589 A CN 103616589A
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- electric cooker
- programmable logic
- pressure cylinder
- logic controller
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Abstract
The invention discloses an electric cooker reliability detection device. A computer is in communication with a programmable controller through a communication port, receives data transmitted by the programmable controller and sends control information to the programmable controller. The programmable controller is connected with an execution mechanism through an electromagnetic valve at the output end of the programmable controller and controls the execution mechanism to operate an electric cooker. The measuring end of an electrical parameter analysis meter is connected with an electric cooker work circuit to measure circuit parameters. The data output end of the electrical parameter analysis meter is connected with the input end of the programmable controller to feed detection data back to the programmable controller. The electric cooker reliability detection device can achieve the function of automatically detecting reliability of the electric cooker, changes the condition that in the prior art, the reliability of the cooker is detected and recorded by manpower, and greatly improves work efficiency.
Description
Technical field
The present invention relates to a kind of electric cooker reliability detecting device.
Background technology
Reliability engineering comes across military domain the earliest, that serviceability analytical approach is carried out qualitative or quantitative description to the reliability index of product and parts thereof (as: failure rate, mean free error time, fiduciary level etc.), to determine that product reliability requires whether to be met.In a lot of fields, be used widely at present, as military field, field of aerospace, medical industry and automobile industry etc.The application of reliability engineering, has obtained very large effect improving the quality of products, meet better the aspects such as consumer demand.In household electrical appliance, the electric heating class family expenses device cycle in serviceable life is often shorter, and it is launched reliability consideration and tests particularly necessary.Still electric cooker reliability is not carried out to the device automatically detecting 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 of Programmable Logic Controller is controlled solenoid valve and topworks carries 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, the first mechanical arm is relative with electric cooker button, the first mechanical arm can be pressed 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, the second mechanical arm is relative with electric cooker button, the second mechanical arm can upwards 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 piece, pressure cylinder and pressure cooling fan, heat-conducting metal piece is placed on temperature controller, by pressure cylinder, drive and can move up and down, heat-conducting metal piece is fallen to be placed on temperature controller, and mention the top that hangs on temperature controller, after heat-conducting metal piece promotes, automatically temperature controller is carried out to air blast cooling but, the 3rd switch of pressure cylinder and the switch of fan are connected with relay with the solenoid valve of thermostat detection module output terminal respectively.
Electric cooker reliability detecting device of the present invention, by primary heater detection module, controlling the first pressure cylinder drives the first mechanical arm to press 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 detecting to Programmable Logic Controller, Programmable Logic Controller passes to computing machine test figure again, can realize the reliability of electric cooker primary heater is detected.
By additional electrical thermal element detection module, controlling the second pressure cylinder drives the second mechanical arm to promote electric cooker switch to insulation shelves, make electric cooker additional electrical thermal element 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 electric cooker additional electrical thermal element reliability is detected.
By thermostat detection module, controlling the 3rd pressure cylinder drives heat-conducting metal piece to be pressed onto on temperature controller, allow heat-conducting metal piece fully contact with temperature controller, electric cooker starts heating, when temperature surpasses 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 thermostat limit value when following, thermostat detection module drives control heat-conducting metal piece to press down controller for electric cooker by the 3rd pressure cylinder 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, realization detects electric cooker thermostat reliability.
Electric cooker reliability detecting device of the present invention, one covering device can be realized all fail-tests such as primary heater, auxiliary heater, temperature controller simultaneously, it has realized the robotization of electric cooker fail-test, improved the automaticity that electric cooker reliability detects, significantly reduced the demand of personnel's workload and staff, greatly improved work efficiency, and realized the accurate control of test condition, experimental result more accurately, reliably.
Accompanying drawing explanation
Fig. 1 is electric cooker reliability detecting device structure principle chart of the present invention.
Fig. 2 is electric cooker reliability detecting device system chart of the present invention.
Fig. 3 is Programmable Logic Controller interface connecting circuit 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 detecting device of Fig. 4, computing machine connects by communication interface (as: RS232 interface) and connects Programmable Logic Controller, 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 respectively power supply, 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 will detect data feedback 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, the first mechanical arm is relative with electric cooker button, the first mechanical arm can be pressed 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, when the electricity of pneumatic switch is worked, promotes electric cooker button actions, and electric cooker is lived well heater work.The relay of time control module output terminal Y0 connects the feed circuit K1 of electric cooker, and time control module is shaken clock timing with inside, take 30min-10min-30min-10min as the cycle is at the outside transponder pulse signal of each time point.
Carrying out primary heater reliability detects while testing, primary heater detection module is controlled the first pressure cylinder and is driven the first mechanical arm to press to depress electric cooker button, the work of electric cooker primary heater, now, time control module is passed through transponder pulse signal to Control electric cooker power-on time, with energising 30min, power failure 10min is that to repeat to make for 500 times accumulative total conduction time a cycle be 250 ± 2.5h.Electrical parameter analysis instrument carries out electrical parameters detection, and a data feedback detecting is to Programmable Logic Controller DVP16ES200R, Programmable Logic Controller DVP16ES200R passes to computing machine test figure and test period again, by display, show, if the circuit that breaks down disconnects, stop testing and giving the alarm.Operating personnel can obtain primary heater reliability testing result by the data that read and process computer records.
In Programmable Logic Controller DVP16ES200R, also can contain additional electrical thermal element detection module, 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, the second mechanical arm is relative with electric cooker button, the 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).
Carrying out additional motor thermal element reliability detects while testing, additional electrical thermal element detection module is controlled topworks to promoting electric cooker switch to insulation shelves, make electric cooker additional electrical thermal element enter duty, time control module makes it with energising 30min 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 the circuit that breaks down disconnects, 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 piece, 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, by the 3rd pressure cylinder, drive and can move up and down, copper billet is fallen and be placed on temperature controller, and mention the top that hangs on temperature controller, after heat-conducting metal piece is mentioned, thermostat is carried out to air blast cooling but, 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.
Carrying out temperature controller reliability detects while testing, 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 surpasses 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 thermostat limit value when following, thermostat detection module drives control copper billet to press down controller for electric cooker by pressure cylinder again, 30000 times so 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 the circuit that breaks down disconnects, stops testing and giving the alarm.
Described electric cooker reliability detecting device, one covering device can be realized all fail-tests such as primary heater, auxiliary heater, temperature controller simultaneously, it has realized the robotization of electric cooker fail-test, improved the automaticity that electric cooker reliability detects, significantly reduced the demand of personnel's workload and staff, greatly improved work efficiency, and realized the accurate control of test condition, experimental result more accurately, reliably.
Pressure cylinder described in above embodiment adopts cylinder or hydraulic cylinder all can, the interface software that shows data is housed in computing machine, the data that processing in real time and demonstration Programmable Logic Controller pass over, intuitive and convenient, and can utilize computing machine to preserve data, between Programmable Logic Controller, electrical parameter analysis instrument, computing machine, adopt RS232 interface to carry out communication, guarantee the stable of data transmission.
Electric cooker reliability detecting device in above embodiment, the operation of electric cooker being correlated with by Controlled by Programmable Controller topworks, electrical parameter analysis instrument will detect data feedback to Programmable Logic Controller, Programmable Logic Controller passes to computing machine again and processs and displays, having realized electric cooker reliability detects and data recording automatically, removed passing dependence from and manually electric cooker has been carried out to associative operation and record, improved the automaticity that electric cooker reliability detects, reduce the workload of staff, greatly improved work efficiency.
Claims (4)
1. an electric cooker reliability detecting 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 of Programmable Logic Controller is controlled solenoid valve and topworks carries 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, the first mechanical arm is relative with electric cooker button, the first mechanical arm can be pressed 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, the second mechanical arm is relative with electric cooker button, the second mechanical arm can upwards 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 piece, pressure cylinder and pressure cooling fan, heat-conducting metal piece is placed on temperature controller, by pressure cylinder, drive and can move up and down, heat-conducting metal piece is fallen to be placed on temperature controller, and mention the top that hangs on temperature controller, after heat-conducting metal piece promotes, automatically temperature controller is carried out to air blast cooling but, the 3rd switch of pressure cylinder and the switch of fan are connected with relay with the solenoid valve of thermostat detection module output terminal respectively.
2. electric cooker reliability detecting 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 detecting 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 detecting 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 |
|---|---|---|---|
| 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 true CN103616589A (en) | 2014-03-05 |
| CN103616589B 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 |
|---|
| 余轩等: "电饭锅能效检测系统的研制", 《家电科技》 * |
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