CN104215900A - Tester for electric kettle temperature control switch - Google Patents
Tester for electric kettle temperature control switch Download PDFInfo
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- CN104215900A CN104215900A CN201410421118.1A CN201410421118A CN104215900A CN 104215900 A CN104215900 A CN 104215900A CN 201410421118 A CN201410421118 A CN 201410421118A CN 104215900 A CN104215900 A CN 104215900A
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- tds
- detect switch
- electric kettle
- temperature
- temperature detect
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Abstract
The invention a tester for an electric kettle temperature control switch. The tester comprises a circuit part for testing the temperature control switch, a mechanical part for controlling on and off of the temperature control switch and a base for fixing. The circuit part is connected with the mechanical part. The circuit part and the mechanical part are mounted on the base. The circuit part comprises a control unit, a temperature sensor, a display module and an alarm module. The temperature sensor collects the water temperature of a to-be-tested electric kettle, the water temperature is transmitted to the control unit for processing and displayed on in the display module, and the control units controls the opening and closing of electromagnets so as to control on and off of the temperature control switch according to the water temperature data. The tester is simple in structure, easy to implement and capable of automatically completing the service life testing of the temperature control switch.
Description
Technical field
The present invention relates to a kind of electric kettle temperature detect switch (TDS) tester.
Background technology
Along with social progress; the household electrical appliances that use in family are more and more; electric kettle is almost the electrical equipment that every household has; but electric kettle often can damage or cisco unity malfunction; but show according to update: the damage of electric kettle or cisco unity malfunction, the overwhelming majority is because temperature control parts damages cause.
In recent years, exquisite, practical, electric kettle starts to come into huge numbers of families easily and efficiently.Electric kettle industry was through development in more than ten years, and current domestic owning amount reaches several ten million platforms, and China has become electric kettle the biggest in the world market, and development prospect is wide, estimated it is only In Guangdong Province, and annual electric kettle output has just surpassed 3,000 ten thousand.But up-to-date selective examination shows: 30% the electric kettle of having an appointment on market is defective, makes the consumers' rights and interests of buying kettle be difficult to ensure.Industry entry threshold is low, Large-scale enterprises is few, the quality mind of workshop-based enterprise is poor is to cause the bum immediate cause of electric kettle.For standard electric kettle market, the rights and interests that ensure consumer, China < < insulating pot performance requirement and test method > > safety standard come into effect in May, 2009.
Temperature detect switch (TDS) detects the development always perplexing temperature control industry, by people, is detected, and not only efficiency is low, and the error that may produce when the work due to human factor, can affect the quality of whole product.
Temperature detect switch (TDS) is mainly to adopt dish-shaped bimetallic strip as temperature sensing component, the principle of work of temperature detect switch (TDS) is: when temperature raises, dish sheet will produce corresponding distortion, and when temperature reaches the value of dish-shaped sheet generation distortion, the kick of dish sheet relies on the mechanical drive of other device, and contact is moved to switch on or off electric current rapidly.Operating temperature range: 30 ℃-300 ℃.
The problem that temperature detect switch (TDS) is prone to has 3 points: first, excess Temperature when the saltus step of bimetal disk of temperature detect switch (TDS) own, the steam of electric kettle cannot make bimetal disk reach the temperature of saltus step, cause temperature detect switch (TDS) cannot cut off electric current, the water of electric kettle is seething with excitement always and cannot stop causing danger; Secondly bimetallic strip belongs to the accessory of machining, saltus step and reset have mechanical life, problem of materials or processing problems had a direct impact the bimetallic strip life-span, suppose take that 1 day normal use of 1 kettle is for 5 times example, within 1 year, approach 2000 times, guaranteeing that kettle is is normally bought and sold uses more than 5 years, must guarantee that temperature detect switch (TDS) or bimetallic strip life-span are more than 10000 times; The little spring of last temperature detect switch (TDS) is the same with bimetallic strip, is also the accessory of machining, and its life-span also directly affects the life-span of temperature detect switch (TDS) and even electric kettle.Therefore research and design temperature detect switch (TDS) life-span tester are in fact the life-span testers of test bimetallic strip and saltus step little spring, in actual production test, select the mode of sampling observation to test.
At present, electric kettle product quality is defective, more than 90% is all that the switch failure by electric kettle causes, and electric kettle switch life is shorter, easily loses efficacy, use after a period of time cannot boiling water phenomenon.
Summary of the invention
Technical matters to be solved by this invention is that the deficiency for background technology provides a kind of simple in structure being easy to realize, and can automatically complete the life test of temperature detect switch (TDS).
The present invention is for solving the problems of the technologies described above by the following technical solutions
An electric kettle temperature detect switch (TDS) tester, comprises circuit part for testing temperature detect switch (TDS), for carrying the mechanical part of temperature detect switch (TDS), for fixing base; Described circuit part connects temperature detect switch (TDS), and described circuit part and mechanical part are arranged on base; Described circuit part comprises control module, temperature sensor, display module, alarm module, and described temperature sensor, display module and alarm module are connected on the corresponding port of control module; The water temperature of temperature sensor collecting test kettle, passes to control module and processes, and show in display module, and control module obtains water temperature data for controlling the foundation of judgement from electric kettle, controls temperature detect switch (TDS) and switches on and off.
Preferably, described control module is STC12C5a60s2.
Preferably, described temperature sensor is DS18B20.
Preferably, described display module is charactron.
Preferably, described alarm module is sound and light alarm.
Preferably, described sound and light alarm comprises LED and loudspeaker.
The present invention adopts above technical scheme compared with prior art, has following technique effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the schematic diagram of circuit part of the present invention.
Number in the figure is specific as follows, 1-base 2-mechanical part 3-display module 4-MCU 5-alarm module 6-temperature switch 7-temperature sensor.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
As shown in Figure 1 or 2, a kind of electric kettle temperature detect switch (TDS) tester, comprises circuit part for testing temperature detect switch (TDS), for carrying the mechanical part 2 of temperature detect switch (TDS) 6, for fixing base 1; Described circuit part connects temperature detect switch (TDS) 6, and described circuit part 1 and mechanical part 2 are arranged on base; Described circuit part comprises control module 4, temperature sensor 7, display module 3, alarm module 5, and described temperature sensor 7, display module 3 and alarm module 5 are connected on the corresponding port of control module 4; The water temperature of temperature sensor 7 collecting test kettles, passes to control module 4 and processes, and show in display module 3, and control module 4 obtains water temperature data for controlling the foundation of judgement from electric kettle, controls temperature detect switch (TDS) 6 and switches on and off.
Wherein, described control module is STC12C5a60s2, and described temperature sensor is DS18B20, and described display module is charactron, and described alarm module is sound and light alarm, and described sound and light alarm comprises LED and loudspeaker.
The present invention can detect kettle temperature automatically, controls the switching of kettle by external control tester, can keep fully water can reach 100 °, and people can drink the water fully boiling, and people's health is had to very large benefit.
The problem that temperature detect switch (TDS) is prone to has 3 points: first, excess Temperature when the saltus step of bimetal disk of temperature detect switch (TDS) own, the steam of electric kettle cannot make bimetal disk reach the temperature of saltus step, cause temperature detect switch (TDS) cannot cut off electric current, the water of electric kettle is seething with excitement always and cannot stop causing danger; Secondly bimetallic strip belongs to the accessory of machining, saltus step and reset have mechanical life, problem of materials or processing problems had a direct impact the bimetallic strip life-span, suppose take that 1 day normal use of 1 kettle is for 5 times example, within 1 year, approach 2000 times, guaranteeing that kettle is is normally bought and sold uses more than 5 years, must guarantee that temperature detect switch (TDS) or bimetallic strip life-span are more than 10000 times; The little spring of last temperature detect switch (TDS) is the same with bimetallic strip, is also the accessory of machining, and its life-span also directly affects the life-span of temperature detect switch (TDS) and even electric kettle.Therefore research and design temperature detect switch (TDS) life-span tester are in fact the life-span testers of test bimetallic strip and saltus step little spring, in actual production test, select the mode of sampling observation to test.
The condition of the temperature control unit test instrument energy analog electrical hot-water bottle switch of electric kettle, can connect AC220V voltage, and the heating wire that connects 1500w is tested, not only can automatically add up and accumulate switch connection number of times, and can also control electric kettle temperature to boil water, make it constant in a temperature range, and can not allow poach hold, evaporate the water.This tester be take STC12C5a60s2(MCU) be the core of Based Intelligent Control, the water temperature by DS18B20 temperature sensor collecting test kettle, passes to MCU as processing, and shows in LED or charactron.MCU obtains water temperature data for controlling the foundation of judgement from electric kettle, control electromagnet folding, controlling temperature detect switch (TDS) switches on and off, the kettle of test provides the power of real AC220V voltage and 1500W, be carried on the contact of switch, this AC220V is converted to AC9V signal by transformer simultaneously, through becoming PWM pattern DC11V control signal after rectifying and wave-filtering, control transistor circuit folding, and the data of temperature detect switch (TDS) folding are sent into MCU control chip, MCU is according to the number of times of switch connection data accumulation switch connection, and show in LED or charactron.When breaking down or completing after 10,000 tests, MCU can control temperature detect switch (TDS) in off-state, prevents to kettle, heating always, water is dryouied, and send corresponding acousto-optic indication.
By reference to the accompanying drawings embodiments of the present invention are made a detailed description above, but the present invention is not limited to above-mentioned embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from aim of the present invention, make a variety of changes.
Claims (6)
1. an electric kettle temperature detect switch (TDS) tester, is characterized in that: comprise circuit part for testing temperature detect switch (TDS), for carrying the mechanical part of temperature detect switch (TDS), for fixing base; Described circuit part connects temperature detect switch (TDS), and described circuit part and mechanical part are arranged on base; Described circuit part comprises control module, temperature sensor, display module, alarm module, and described temperature sensor, display module and alarm module are connected on the corresponding port of control module; The water temperature of temperature sensor collecting test kettle, passes to control module and processes, and show in display module, and control module obtains water temperature data for controlling the foundation of judgement from electric kettle, controls temperature detect switch (TDS) and switches on and off.
2. electric kettle temperature detect switch (TDS) tester according to claim 1, is characterized in that: described control module is STC12C5a60s2.
3. electric kettle temperature detect switch (TDS) tester according to claim 1, is characterized in that: described temperature sensor is DS18B20.
4. electric kettle temperature detect switch (TDS) tester according to claim 1, is characterized in that: described display module is charactron.
5. electric kettle temperature detect switch (TDS) tester according to claim 1, is characterized in that: described alarm module is sound and light alarm.
6. electric kettle temperature detect switch (TDS) tester according to claim 5, is characterized in that: described sound and light alarm comprises LED and loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421118.1A CN104215900A (en) | 2014-08-25 | 2014-08-25 | Tester for electric kettle temperature control switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421118.1A CN104215900A (en) | 2014-08-25 | 2014-08-25 | Tester for electric kettle temperature control switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104215900A true CN104215900A (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410421118.1A Withdrawn CN104215900A (en) | 2014-08-25 | 2014-08-25 | Tester for electric kettle temperature control switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104215900A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383309A (en) * | 2016-11-22 | 2017-02-08 | 天津航空机电有限公司 | Endurance test clamp for thermostat relay |
| CN107788832A (en) * | 2017-10-13 | 2018-03-13 | 宁波弗兰克电器有限公司 | A kind of insulating pot equipment for testing service life |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100311774B1 (en) * | 1998-12-08 | 2001-12-17 | 김형국 | Proximity switch inspection device for high temperature detection of power plants |
| CN202305186U (en) * | 2011-09-29 | 2012-07-04 | 青岛科技大学 | Multi-band motor temperature switch test system |
| CN203025324U (en) * | 2013-01-29 | 2013-06-26 | 甘艳芬 | Service life tester of temperature-controlled switch |
-
2014
- 2014-08-25 CN CN201410421118.1A patent/CN104215900A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100311774B1 (en) * | 1998-12-08 | 2001-12-17 | 김형국 | Proximity switch inspection device for high temperature detection of power plants |
| CN202305186U (en) * | 2011-09-29 | 2012-07-04 | 青岛科技大学 | Multi-band motor temperature switch test system |
| CN203025324U (en) * | 2013-01-29 | 2013-06-26 | 甘艳芬 | Service life tester of temperature-controlled switch |
Non-Patent Citations (2)
| Title |
|---|
| 张新强等: "温控开关失效性的研究", 《电脑知识与技术》 * |
| 甘艳芬等: "温控开关寿命测试仪的研究与设计", 《电子测试》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383309A (en) * | 2016-11-22 | 2017-02-08 | 天津航空机电有限公司 | Endurance test clamp for thermostat relay |
| CN107788832A (en) * | 2017-10-13 | 2018-03-13 | 宁波弗兰克电器有限公司 | A kind of insulating pot equipment for testing service life |
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Application publication date: 20141217 |