CN2258188Y - Electric iron automatic protector - Google Patents
Electric iron automatic protector Download PDFInfo
- Publication number
- CN2258188Y CN2258188Y CN 96204435 CN96204435U CN2258188Y CN 2258188 Y CN2258188 Y CN 2258188Y CN 96204435 CN96204435 CN 96204435 CN 96204435 U CN96204435 U CN 96204435U CN 2258188 Y CN2258188 Y CN 2258188Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- electric iron
- input
- heating wire
- termination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 43
- 230000001012 protector Effects 0.000 title 1
- 239000002184 metal Substances 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims description 33
- 238000005485 electric heating Methods 0.000 abstract 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Images
Landscapes
- Control Of Resistance Heating (AREA)
- Irons (AREA)
Abstract
The utility model relates to a temperature control device for an electric iron. The temperature control device for an electric iron is provided with a switch circuit of human body proximity. A metal sheet is used by a signal detector, and the output end of a switching circuit is connected with a delay circuit. The output end of the delay circuit is connected with the input end of the power regulation control circuit of an electric heating wire. The output end of the power regulation control circuit of the electric heating wire is externally connected with the electric heating wire of the electric iron. Due to the adoption of the metal sheet of the signal detector, the use of the utility model is convenient. When a hand leaves the handle of the electric iron, the power of the electric iron can be decreased greatly. Or the power is cut off, and the goals of security protection and power saving can be achieved.
Description
The utility model relates to the temperature control equipment of hand iron.
Electric iron is widely used in apparel industry and family, owing to lack the practical and effective safety guard, when improper use, burns out clothing easily, and severe patient is with initiation fire.
The CNGG88211473 patent application discloses a kind of electric iron security alarm device, circuit such as touch sensing oscillating circuit that employing metal sensing element and contact are constituted and electronic switch.The CN2059168U patent application discloses a kind of multi-functional logical security flatiron, form by touch sheet metal and safety governor on flatiron metal base plate, insulated handle, the handle, front end is provided with temperature adjustment button, power supply indicator above iron handle, and same horizontal line is provided with below little square touch sheet metal and the handle grips bar shaped, and to touch sheet metal matching used with it be that electronic security(ELSEC) is by the system device.The CNGG87215317 patent application discloses a kind of energy-saving safe electric iron, is provided with temperature control button and bimetal leaf, in order to the control temperature.The CNGG87211221 patent application discloses a kind of timing alarm safety electric iron that adjusts the temperature electronically, and adopts the controllable silicon temperature adjustment, and as flatiron energising horizontal 1min or erect put 10min after, flatiron can cut off the power supply automatically and send chimes of doom.
The purpose of this utility model aims to provide a kind of improved automatic safe protective device that is used for electric iron, as the auxiliary equipment of electric iron.
Basic scheme of the present utility model is when the people holds electric iron, connects power supply automatically, and after staff leaves electric iron a period of time promptly reduce the electrical power of electric iron automatically, intact even gold is cut off the electricity supply, and reaches energy-conservation and purpose of safety.
The utility model is provided with the body near switch circuit, and body near switch circuit's signal detector adopts sheet metal; One delay circuit is arranged, and the input termination body near switch circuit's of delay circuit human body is near the switching signal output; One heating wire power adjusting control circuit is arranged, the delay switch signal output part of the input termination delay circuit of heating wire power adjusting control circuit, the external electric iron heating wire of adjusting control signal output of heating wire power adjusting control circuit; One direct current power circuit is arranged, and the external electric iron power supply of its input, its dc power output end connect the power end of body near switch circuit, delay circuit and heating wire power adjusting control circuit.
Owing to adopt the signal detector of sheet metal as the body near switch circuit, therefore when the user holds electric iron, hand is near sheet metal, the body near switch circuit promptly exports human body near switching signal, and makes the heating wire heating of electric iron through delay circuit, heating wire power adjusting control circuit.And when hand left the electric iron handle, the human body of output can reduce the power of electric iron near switching signal automatically significantly after time-delay, perhaps cut off the heating wire power supply, reached the purpose of safeguard protection and economize on electricity.
Fig. 1 is a block diagram of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
The body near switch circuit schematic diagram of Fig. 3 for adopting 555 time base circuits to form.
The body near switch circuit schematic diagram of Fig. 4 for adopting discrete component to form.
The delay circuit schematic diagram of Fig. 5 for adopting 555 time base circuits to form.
The delay circuit schematic diagram of Fig. 6 for adopting discrete component to form.
Fig. 7 is another embodiment of heating wire power adjusting control circuit.
In Fig. 1, the utility model is made up of body near switch circuit (1), delay circuit (2), heating wire power adjusting control circuit (3) and DC power supply circuit (4).The heating wire of the external electric iron of adjusting control signal output of heating wire power conditioning circuitry (3).The body near switch circuit is provided with resitstance voltage divider, the input termination sheet metal signal detector of resitstance voltage divider, the input of the dividing potential drop output termination Schmidt trigger of resitstance voltage divider, the output terminating diode of Schmidt trigger.Referring to Fig. 2, by sheet metal M as signal detector, and with resitstance voltage divider (R
1, R
2), Schmidt trigger IC
1a(1/3 CD40106), D
1Deng the composition body near switch circuit.M can be arranged on the handle of electric iron, when the user holds handle, and IC
1aThe output square wave, after hand leaves, IC
1aThe output high level.Said delay circuit is made up of RC charge-discharge circuit and Schmidt trigger, RC charges and discharge the input termination body near switch circuit's of circuit output, RC charges and discharge the input of R, the C connection termination Schmidt trigger of circuit, the input of the output termination heating wire power adjusting control circuit of Schmidt trigger.R
3, C
1, Schmidt trigger IC
1bDeng the composition delay circuit.R
4, Q, relay J etc. form heating wire power conditioning circuitry, external electric iron heating wire of the normally opened contact of J and power supply.D
2～D
5, R
5, C
2, C
3Deng the composition DC circuit, best adjunction Zener diode D
6After electric iron is connected power supply, when holding the electric iron handle, the output of " A " some square wave, at this moment C
1Can't pass through R
3Charging, " B " some output high level makes the Q conducting, the adhesive of J normally opened contact, electric iron heater strip R
LThe energising heating.When hand left the electric iron handle, " A " some output high level made D
1End C
1Promptly pass through R
3Charging is through time-delay, Schmidt trigger IC
1bUpset and output low level are ended Q, and the J contact discharges, electric iron heater strip R
LPower supply be cut off, realize the purpose of safeguard protection and economize on electricity.
The body near switch circuit can adopt other circuit form, Fig. 3 for example, and 4, among Fig. 3, form the body near switch circuit by 555 time base circuits and sheet metal signal detector.Among Fig. 4, form the body near switch circuit by triode and R, C, L element and sheet metal signal detector.
Delay circuit can adopt other circuit form, Fig. 5 for example, 6.Said delay circuit is made up of 555 time base circuits and RC element, RC charges and discharge the input termination body near switch circuit's of circuit output, RC charges and discharge the input of R, C connection termination 555 time base circuits of circuit, the input of the output termination heating wire power adjusting control circuit of 555 time base circuits.Among Fig. 5, form delay circuit by 555 time base circuits and R, C element.Said delay circuit charges and discharge circuit by triode and RC and forms, RC charges and discharge the input termination body near switch circuit's of circuit output, RC charges and discharge the input of R, the C connection termination triode of circuit, the input of the output termination heating wire power adjusting control circuit of triode.Among Fig. 6, form delay circuit by discrete component (triode and R, C element).
Heating wire power adjusting control circuit can adopt other circuit form, said heating wire power adjusting control circuit is made up of triode, relay and resistance, the output of one termination delay circuit of resistance, another termination triode input of resistance, the collector connecting relay of triode, the heating wire of often opening the external electric iron of contact point of relay is referring to Fig. 7.Realize the adjusting control of heating wire power in addition at the relay normally open contact parallel diode.
Claims (7)
1. human body proximity electric iron automatic safety device comprises sheet metal signal detector, control circuit and power circuit, it is characterized in that being provided with the body near switch circuit, and body near switch circuit's signal detector is the sheet metal signal detector; One delay circuit is arranged, and the input termination body near switch circuit's of delay circuit human body is near the switching signal output; One heating wire power adjusting control circuit is arranged, the delay switch signal output part of the input termination delay circuit of heating wire power adjusting control circuit, the external electric iron heating wire of adjusting control signal output of heating wire power adjusting control circuit; One direct current power circuit is arranged, and the external electric iron power supply of the input of DC power supply circuit, dc power output end are connected to the power end of body near switch circuit, delay circuit and heating wire power adjusting control circuit.
2. human body proximity electric iron automatic safety device as claimed in claim 1; it is characterized in that said body near switch circuit is provided with resitstance voltage divider; the input termination sheet metal signal detector of resitstance voltage divider; the input of the dividing potential drop output termination Schmidt trigger of resitstance voltage divider, the output terminating diode of Schmidt trigger.
3. human body proximity electric iron automatic safety device as claimed in claim 1; it is characterized in that said delay circuit is made up of RC charge-discharge circuit and Schmidt trigger; RC charges and discharge the input termination body near switch circuit's of circuit output; RC charges and discharge the input of R, the C connection termination Schmidt trigger of circuit, the input of the output termination heating wire power adjusting control circuit of Schmidt trigger.
4. human body proximity electric iron automatic safety device as claimed in claim 1; it is characterized in that said delay circuit is made up of 555 time base circuits and RC element; RC charges and discharge the input termination body near switch circuit's of circuit output; RC charges and discharge the input of R, C connection termination 555 time base circuits of circuit, the input of the output termination heating wire power adjusting control circuit of 555 time base circuits.
5. human body proximity electric iron automatic safety device as claimed in claim 1; it is characterized in that said delay circuit charges and discharge circuit by triode and RC and forms; RC charges and discharge the input termination body near switch circuit's of circuit output; RC charges and discharge the input of R, the C connection termination triode of circuit, the input of the output termination heating wire power adjusting control circuit of triode.
6. human body proximity electric iron automatic safety device as claimed in claim 1; it is characterized in that said heating wire power adjusting control circuit is made up of triode, relay and resistance; the output of one termination delay circuit of resistance; another termination triode input of resistance; the collector connecting relay of triode, the heating wire of the external electric iron of normally opened contact of relay.
7. human body proximity electric iron automatic safety device as claimed in claim 6 is characterized in that at the two ends of relay normally open contact parallel diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96204435 CN2258188Y (en) | 1996-02-13 | 1996-02-13 | Electric iron automatic protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96204435 CN2258188Y (en) | 1996-02-13 | 1996-02-13 | Electric iron automatic protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2258188Y true CN2258188Y (en) | 1997-07-23 |
Family
ID=33889677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96204435 Expired - Fee Related CN2258188Y (en) | 1996-02-13 | 1996-02-13 | Electric iron automatic protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2258188Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818602A (en) * | 2015-05-05 | 2015-08-05 | 佛山市顺德区美的电热电器制造有限公司 | Garment steamer and control method thereof |
| CN106319916A (en) * | 2015-07-07 | 2017-01-11 | 佛山市顺德区美的电热电器制造有限公司 | Garment steamer |
-
1996
- 1996-02-13 CN CN 96204435 patent/CN2258188Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818602A (en) * | 2015-05-05 | 2015-08-05 | 佛山市顺德区美的电热电器制造有限公司 | Garment steamer and control method thereof |
| CN104818602B (en) * | 2015-05-05 | 2017-07-28 | 广东美的环境电器制造有限公司 | Garment Steamer Machine and its control method |
| CN106319916A (en) * | 2015-07-07 | 2017-01-11 | 佛山市顺德区美的电热电器制造有限公司 | Garment steamer |
| CN106319916B (en) * | 2015-07-07 | 2019-04-05 | 佛山市顺德区美的电热电器制造有限公司 | Garment Steamer Machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |