CN105274824A - Electric iron temperature controller - Google Patents
Electric iron temperature controller Download PDFInfo
- Publication number
- CN105274824A CN105274824A CN201410242497.8A CN201410242497A CN105274824A CN 105274824 A CN105274824 A CN 105274824A CN 201410242497 A CN201410242497 A CN 201410242497A CN 105274824 A CN105274824 A CN 105274824A
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- CN
- China
- Prior art keywords
- push rod
- overheat protector
- electric iron
- protector push
- temperature controller
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Abstract
Provided is an electric iron temperature controller, comprising an upper safety piece, a lower safety piece, a movable contact piece, a bimetallic strip, and an over-temperature protection push rod. The over-temperature protection push rod is an insulating fusible plastic part which has a definite melting point and is integrally formed. The over-temperature protection push rod comprises an upper abutting portion, a cylindrical lower supporting portion, and a raised ring which is on the middle-lower part of the cylindrical lower supporting portion and is integrally formed with the over-temperature protection push rod. An electric iron heating bottom board is provided with a storage groove. The over-temperature protection push rod is supported on the upper end face of the top edge of the storage groove through the raised ring. The bottom end of the over-temperature protection push rod is a certain distance away from the groove bottom of the storage groove. The upper end of the over-temperature protection push rod pushes the free end of the lower safety piece. The free end of the lower safety piece is supported by the over-temperature protection push rod and electrically contacts with and is connected with the free end of the upper safety piece in a normally closed manner. The temperature controller is simple in structure, prevents a plurality of problems such as poor cooperation between the bottom end of the over-temperature protection push rod and the heating bottom board, and the raised ring and the heating bottom board have relatively large contact temperature sensing area. Support of the temperature controller is more stable, and shock resistance is better.
Description
Technical field
The present invention relates to a kind of thermoswitch device, particularly relate to a kind of electric iron temperature controller.
Background technology
At present, general temperature controller is especially applied to the temperature controller in the household appliances such as electric iron, for security consideration all has overheat protector safeties.Temperature controller generally comprises joint pin, spiral register, register stator, some porcelain rings, input chip, to insure sheet, lower safety plate, movable contact spring, static contact, output chip, bimetal leaf, porcelain rice, meltability metal derby and overheat protector push rod, described register stator, some porcelain rings, input chip, to insure sheet, lower safety plate, movable contact spring, static contact, output chip and bimetal leaf are installed on joint pin, described joint pin is also provided with overheat protector push rod stator, described overheat protector push rod stator is provided with locating ring, overheat protector push rod can be limited to operating position by overheat protector push rod stator through the through hole of locating ring up and downly, described spiral register is arranged on register stator, one end of described porcelain rice abuts with movable contact spring, the other end of porcelain rice abuts with bimetal leaf, the upper end of described overheat protector push rod holds lower safety plate, lower end coordinates with a meltability metal derby, described lower safety plate by overheat protector push rod and meltability metal derby support with insure that sheet electrical contact is normally closed to be connected, and under movable contact spring abuts state with static contact, input chip, to insure sheet, lower safety plate, movable contact spring, static contact and output chip conducting, when the overheated and bimetal leaf temperature control of electric iron lost efficacy, meltability metal derby melted, and lower safety plate disconnects with sheet of insuring, and avoided that electric iron is overheated to be burnt out.General overheat protector push rod is made up of ceramic material; have cost higher, not easily process, easy fracture damages in production and application process shortcoming; especially have in use different high and low temperature environment variations in temperature more easily to produce fracture damage, this overheat protector push rod also must with meltability metal derby with the use of producing protected effect.When assembling, meltability metal derby needs instrument to strike to be placed in accommodating cavity, then is supported in above it by overheat protector push rod.In accommodating cavity, cause fire etc. potential safety hazard is dropped out when using to prevent metal derby; also in order to allow metal derby and accommodating cavity inwall fit closely; and ensure that metal derby self has qualified tightness to there is not obvious gap and air cavity; metal derby is put into after in accommodating cavity must be solid and rush smooth upper surface with specific purpose tool punching press, also will guarantee that the upper surface that metal derby coordinates with overheat protector push rod can not be too high or too low.To there are the wearing and tearing being difficult to avoid in middle meltability metal derby, the precision and stability of product is difficult to ensure, moreover also there is complex process, deficiency that cost is high.
Summary of the invention
The object of the invention is to the defect existed for prior art, provide that a kind of process and assemble is easy, precision is high, the electric iron temperature controller of safety, good stability.
For achieving the above object, the present invention adopts following technical proposals: a kind of electric iron temperature controller, comprises joint pin, spiral register, register stator, some porcelain rings, input chip, to insure sheet, lower safety plate, movable contact spring, static contact, output chip, bimetal leaf, porcelain rice and overheat protector push rod, described register stator, some porcelain rings, input chip, to insure sheet, lower safety plate, movable contact spring, static contact, output chip and bimetal leaf are installed on joint pin, described spiral register is arranged on register stator, one end of described porcelain rice abuts with movable contact spring, the other end of porcelain rice abuts with bimetal leaf, the upper end of described overheat protector push rod holds lower safety plate, described lower safety plate supports by overheat protector push rod and insures that sheet electrical contact is normally closed to be connected, and under movable contact spring abuts state with static contact, input chip, to insure sheet, lower safety plate, movable contact spring, static contact and output chip conducting, when electric iron is overheated and bimetal leaf temperature control lost efficacy, overheat protector push rod can produce the electrical contact that action disconnects lower safety plate and sheet of insuring, avoid that electric iron is overheated to be burnt out, one end of described insure sheet and lower safety plate respectively fixedly sleeved on joint pin porcelain ring upper-lower position, the other end of sheet and lower safety plate of insuring is respectively free end, described overheat protector push rod is one have definite melting point and the fusible working of plastics of integrated insulation, and it comprises abutting part, cylindricality lower support portion, be positioned at middle and lower part, cylindricality lower support portion and flange collar integrated with overheat protector push rod, described electric iron heatable soleplate is provided with storage tank, described overheat protector push rod is supported in the top upper end of storage tank by flange collar, the bottom of overheat protector push rod is with a certain distance from storage tank bottom land, the upper end pushing tow of overheat protector push rod is in lower safety plate free end, and lower safety plate free end supports by overheat protector push rod and insures that the electrical contact of sheet free end is normally closed to be connected.
Improve as one: namely the top upper end of storage tank is the basic side of heatable soleplate.
Improve as one: the top upper end of storage tank is the bottom surface of heatable soleplate sinking installing hole, this storage tank upper end is lower than the basic side of heatable soleplate, and flange collar external diameter is less than or equal to the internal diameter of sinking installing hole.
Improve as one: the bottom centre of the storage tank in described electric iron heatable soleplate is provided with recessed depressed part.
Improve as one: described extending outside with the integrated flange collar of overheat protector push rod forms several feets, and several feets distribute along flange collar even circumferential.
Improve as one: on the top upper end of storage tank, be evenly distributed with the feet groove corresponding with several feets.
Improve as one: the PET one mold that described overheat protector push rod is 310 DEG C-340 DEG C by melting temperature is suppressed and formed.
Adopt the electric iron temperature controller of such scheme, employing one has definite melting point and integrated overheat protector push rod is directly connected between heatable soleplate and lower safety plate, when electric equipment products normal operating conditions, the temperature of heatable soleplate is lower than the fusing point of overheat protector push rod, this overheat protector push rod is stable solid-state, it supports lower safety plate free end in certain altitude, make lower safety plate free end and insure sheet free end in contact condition, the circuit of electric equipment products is be in conducting state herein, and temperature controller also can normally work, when electric iron is overheated and bimetal leaf temperature control lost efficacy, namely exceeding design temperature in temperature also cannot under the condition of disconnecting circuit, when heatable soleplate temperature in electric equipment products exceedes the fusing point of overheat protector push rod, the flange collar fusing of direct contact temperature-sensitive in heatable soleplate, fall within bottom heatable soleplate storage tank under overheat protector push rod, overheat protector push rod height declines, the free end of lower safety plate loses the bearing force of overheat protector push rod, lower safety plate departs from the contact with sheet of insuring under the effect of self-deformation restoring force, thus disconnecting circuit, prevent electric equipment products temperature from continuing rise and cause danger.Its structure is simple, and to avoid between overheat protector push rod bottom and heatable soleplate many problems such as poor fit, and can have larger contact temperature-sensitive area between flange collar and heatable soleplate, support more stable, shock resistance is better.Moreover be formed in one due to overheat protector push rod, shorten processing technology step and the time of temperature controller, also decrease to the difficulty of processing and cost, the precision and stability of temperature controller can well be ensured.
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of a kind of electric iron temperature controller of the present invention.
Fig. 2 is the structural representation of the first embodiment of electric iron heatable soleplate.
Fig. 3 is the structural representation of electric iron heatable soleplate the second embodiment.
Fig. 4 is the structural representation of the third embodiment of electric iron heatable soleplate.
Fig. 5 is the structural representation of electric iron heatable soleplate the 4th kind of embodiment.
Fig. 6 is the bottom schematic view of the first embodiment of overheat protector push rod.
Fig. 7 is the bottom schematic view of overheat protector push rod the second embodiment.
Detailed description of the invention
A kind of electric iron temperature controller as shown in Figure 1, Figure 2, Figure 6 shows; comprise joint pin 1, spiral register 2, register stator 3, some porcelain rings 4, input chip 5, sheet 61 of insuring, lower safety plate 62, movable contact spring 7, static contact 8, output chip 9, bimetal leaf 10, porcelain rice 11 and overheat protector push rod 12; spiral register 2 is arranged on register stator 3; bimetal leaf 10 is fixedly connected in electric iron heatable soleplate, and the present embodiment drives porcelain rice 11 to control electrical contact between movable contact spring 7 and static contact 8 by bimetal leaf 10.By sheet 61 of insuring, lower safety plate 62, the fixture 18 of overheat protector push rod 12 and overheat protector push rod forms the overheat protector safeties of temperature controller, insure sheet 61 and lower safety plate 62 one end respectively fixedly sleeved on joint pin 1 porcelain ring 4 upper-lower position, the other end of sheet 61 and lower safety plate 62 of insuring is respectively free end, overheat protector push rod 12 is supported between heatable soleplate and lower safety plate 62 free end, described overheat protector push rod 12 is one have definite melting point and the fusible working of plastics of integrated insulation, it comprises abutting part 12a, cylindricality lower support portion 12b, be positioned at 12b middle and lower part, cylindricality lower support portion and flange collar 12d integrated with overheat protector push rod 12.Described electric iron heatable soleplate is provided with storage tank 16; described overheat protector push rod 12 is supported in the top upper end of storage tank 16 by flange collar 12d; the bottom of overheat protector push rod 12 is with a certain distance from storage tank 16 bottom land; the upper end pushing tow of overheat protector push rod 12 is in lower safety plate 62 free end, and lower safety plate 62 free end supports by overheat protector push rod 12 and insures that the electrical contact of sheet 61 free end is normally closed to be connected.Namely the top upper end of the present embodiment storage tank 16 is the basic side of heatable soleplate.
The maximum outside diameter of described flange collar 12d is greater than the internal diameter of storage tank 16; and the vertical range of flange collar 12d and overheat protector push rod 12 bottom is less than the degree of depth of storage tank 16; make overheat protector push rod 12 in storage tank 16 and have certain distance between storage tank 16 bottom land, the upper end pushing tow of overheat protector push rod 12 is in lower safety plate 62 free end.Lower safety plate 62 free end supports by overheat protector push rod 12 and insures that the electrical contact of sheet 61 free end is normally closed to be connected.The PET one mold compacting that the overheat protector push rod 12 of the present embodiment is 310 DEG C-340 DEG C by melting temperature forms; it reduces greatly relative to such as dystectic metal meltability material cost such as tin; processing technology is also more ripe convenient, and can made with high precision realize.Simultaneously under the temperature environment of this PET below 300 DEG C, its stability and durability are very strong, and make temperature controller of the present invention compared with existing temperature controller, the life-span is more permanent.The flange collar 12d of overheat protector push rod 12 middle and lower part directly abuts and is supported in electric iron heatable soleplate, and overheat protector push rod 12 temperature-sensitive is quick, direct, can make corresponding action more timely, make temperature controller more sensitive.When electric iron is overheated and bimetal leaf temperature control lost efficacy, namely exceeding design temperature in temperature also cannot under the condition of disconnecting circuit, when electric iron heatable soleplate temperature exceedes the fusing point of overheat protector push rod 12, the overheat protector push rod 12 flange collar 12d being directly connected to instant temperature-sensitive in electric iron heatable soleplate melts, the height of overheat protector push rod 12 declines, the free end of lower safety plate 62 loses the bearing force of overheat protector push rod 12, lower safety plate 62 departs from the contact with sheet 61 of insuring under the effect of self-deformation restoring force, thus disconnecting circuit, effectively prevent electric equipment products temperature from continuing rise and cause the danger such as fire.Because overheat protector push rod is formed in one; relative to other overheat protector safeties; structure of the present invention is simple; overheat protector push rod directly can assemble and settle at one go; substantially reduce processing technology step and the time of temperature controller; also decrease to difficulty of processing and cost, more avoid the assembling wearing and tearing between multicompartment and fitness problem, the precision and stability of temperature controller is able to good guarantee.
Storage tank 16 except the design as shown in Fig. 2 first embodiment, also can adopt the design as shown in Fig. 3, Fig. 4, Fig. 5 in electric iron heatable soleplate.
As shown in Figure 3, second embodiment of storage tank in heatable soleplate, heatable soleplate is provided with sinking installing hole 20, storage tank 16 is arranged at the below of sinking installing hole 20 and is communicated with sinking installing hole 20 bottom, the top upper end of storage tank 16 is bottom surfaces of heatable soleplate sinking installing hole 20, this storage tank 16 upper end is lower than the basic side of heatable soleplate, and flange collar 12d external diameter is less than or equal to the internal diameter of sinking installing hole 20.Make flange collar 12d go deep into heatable soleplate inside, more accurately temperature-sensitive heatable soleplate, avoid the situation that heatable soleplate surface temperature causes the action of overheat protector safeties to postpone lower than storage tank 16 temperature.
Shown in Fig. 4, Fig. 5; three, four embodiment of storage tank in heatable soleplate is that the bottom centre of storage tank 16 on the basis of first, second embodiment of heatable soleplate in electric iron heatable soleplate sets recessed depressed part 16a respectively; overheat protector push rod 12 decline that is designed to of depressed part 16a brings larger height; simultaneously also for the liquid plastic after fusing provides space; ensure that overheat protector push rod 12 can decline rapidly after melting, the reaction of overheat protector safeties is more sensitive.
When reaching the fusing point of overheat protector push rod 12 for making temperature, flange collar 12d can more rapid melting; simultaneously cost-saving again; overheat protector push rod 12 can adopt the another kind of embodiment design of overheat protector push rod 12 as shown in Figure 7; flange collar 12d extends outside and forms several feets, and several feets distribute along flange collar 12d even circumferential.Feet is more tiny, quantity its temperature susceplibility fewer is very high, is also more suitable for the electrical equipment of the Limit temperature value limit on the lower side requiring temperature controller to cut off the electricity supply.Preferably can be evenly distributed with the feet groove (in figure do not indicate) corresponding with several feets on the top upper end of storage tank 16, to improve the stability of strutting system of overheat protector push rod 12 further.
Claims (10)
1. an electric iron temperature controller, comprise joint pin (1), spiral register (2), register stator (3), some porcelain rings (4), input chip (5), to insure sheet (61), lower safety plate (62), movable contact spring (7), static contact (8), output chip (9), bimetal leaf (10), porcelain rice (11) and overheat protector push rod (12), described register stator (3), some porcelain rings (4), input chip (5), to insure sheet (61), lower safety plate (62), movable contact spring (7), static contact (8), output chip (9) and bimetal leaf (10) are installed on joint pin (1), described spiral register (2) is arranged on register stator (3), one end of described porcelain rice (11) abuts with movable contact spring (7), the other end of porcelain rice (11) abuts with bimetal leaf (10), the upper end of described overheat protector push rod (12) holds lower safety plate (62), described lower safety plate (62) supports by overheat protector push rod (12) and is connected with sheet of insuring (61) electrical contact is normally closed, and under movable contact spring (7) abuts state with static contact (8), input chip (5), to insure sheet (61), lower safety plate (62), movable contact spring (7), static contact (8) and output chip (9) conducting, when electric iron is overheated and bimetal leaf (10) temperature control lost efficacy, overheat protector push rod (12) can produce the electrical contact that action disconnects lower safety plate (62) and sheet of insuring (61), avoid that electric iron is overheated to be burnt out, it is characterized in that: described sheet of insuring (61) and one end of lower safety plate (62) are fixedly sleeved at upper porcelain ring (4) upper-lower position of joint pin (1) respectively, the other end of sheet (61) and lower safety plate (62) of insuring is respectively free end, described overheat protector push rod (12) is one have definite melting point and the fusible working of plastics of integrated insulation, it comprises abutting part (12a), cylindricality lower support portion (12b), be positioned at (12b) middle and lower part, cylindricality lower support portion and with overheat protector push rod (12) integrated flange collar (12d), described electric iron heatable soleplate is provided with storage tank (16), described overheat protector push rod (12) is supported in the top upper end of storage tank (16) by flange collar (12d), the bottom of overheat protector push rod (12) is with a certain distance from storage tank (16) bottom land, the upper end pushing tow of overheat protector push rod (12) is in lower safety plate (62) free end, lower safety plate (62) free end supports by overheat protector push rod (12) and is connected with sheet of insuring (61) free end electrical contact is normally closed.
2. a kind of electric iron temperature controller according to claim 1, is characterized in that: the top upper end of storage tank (16) is namely the basic side of heatable soleplate.
3. a kind of electric iron temperature controller according to claim 1, it is characterized in that: the top upper end of storage tank (16) is the bottom surface of heatable soleplate sinking installing hole (20), this storage tank (16) upper end is lower than the basic side of heatable soleplate, and flange collar (12d) external diameter is less than or equal to the internal diameter of sinking installing hole (20).
4. a kind of electric iron temperature controller according to claim 1 or 2 or 3, is characterized in that: the bottom centre of the storage tank (16) in described electric iron heatable soleplate is provided with recessed depressed part (16a).
5. a kind of electric iron temperature controller according to claim 1 or 2 or 3; it is characterized in that: described extending outside with overheat protector push rod (12) integrated flange collar (12d) forms several feets, and several feets distribute along flange collar (12d) even circumferential.
6. a kind of electric iron temperature controller according to claim 4; it is characterized in that: described extending outside with overheat protector push rod (12) integrated flange collar (12d) forms several feets, and several feets distribute along flange collar (12d) even circumferential.
7. a kind of electric iron temperature controller according to claim 5, is characterized in that: on the top upper end of storage tank (16), be evenly distributed with the feet groove corresponding with several feets.
8. a kind of electric iron temperature controller according to claim 6, is characterized in that: on the top upper end of storage tank (16), be evenly distributed with the feet groove corresponding with several feets.
9. a kind of electric iron temperature controller according to claim 1 or 2 or 3, is characterized in that: the PET one mold that described overheat protector push rod (12) is 310 DEG C-340 DEG C by melting temperature is suppressed and formed.
10. a kind of electric iron temperature controller according to claim 4, is characterized in that: the PET one mold that described overheat protector push rod (12) is 310 DEG C-340 DEG C by melting temperature is suppressed and formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410242497.8A CN105274824B (en) | 2014-05-30 | 2014-05-30 | Electric iron temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410242497.8A CN105274824B (en) | 2014-05-30 | 2014-05-30 | Electric iron temperature controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105274824A true CN105274824A (en) | 2016-01-27 |
| CN105274824B CN105274824B (en) | 2017-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410242497.8A Active CN105274824B (en) | 2014-05-30 | 2014-05-30 | Electric iron temperature controller |
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| CN (1) | CN105274824B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3940728A (en) * | 1972-08-08 | 1976-02-24 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Alloy for a high temperature fuse |
| ES2155788B1 (en) * | 1999-06-09 | 2001-12-01 | Bsh Krainel Sa | THERMAL FUSE OF PERFECTED PROTECTION. |
| CN2585394Y (en) * | 2002-11-29 | 2003-11-05 | 郑赞文 | Hot fusiable cut-out protector |
| JP2010049876A (en) * | 2008-08-20 | 2010-03-04 | Mitsubishi Electric Corp | Bypass switch |
| CN201584364U (en) * | 2009-09-16 | 2010-09-15 | 梁嘉平 | Adjustable temperature controller |
| CN101911343A (en) * | 2007-11-29 | 2010-12-08 | 株式会社Lg化学 | Battery pack containing PCM employed with safety member |
| CN201681763U (en) * | 2010-02-10 | 2010-12-22 | 佛山市高明欧一电子制造有限公司 | Overheat protection device of electric heating appliance |
| CN203866613U (en) * | 2014-05-30 | 2014-10-08 | 浙江家泰电器制造有限公司 | Electric iron temperature controller |
-
2014
- 2014-05-30 CN CN201410242497.8A patent/CN105274824B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3940728A (en) * | 1972-08-08 | 1976-02-24 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Alloy for a high temperature fuse |
| ES2155788B1 (en) * | 1999-06-09 | 2001-12-01 | Bsh Krainel Sa | THERMAL FUSE OF PERFECTED PROTECTION. |
| CN2585394Y (en) * | 2002-11-29 | 2003-11-05 | 郑赞文 | Hot fusiable cut-out protector |
| CN101911343A (en) * | 2007-11-29 | 2010-12-08 | 株式会社Lg化学 | Battery pack containing PCM employed with safety member |
| JP2010049876A (en) * | 2008-08-20 | 2010-03-04 | Mitsubishi Electric Corp | Bypass switch |
| CN201584364U (en) * | 2009-09-16 | 2010-09-15 | 梁嘉平 | Adjustable temperature controller |
| CN201681763U (en) * | 2010-02-10 | 2010-12-22 | 佛山市高明欧一电子制造有限公司 | Overheat protection device of electric heating appliance |
| CN203866613U (en) * | 2014-05-30 | 2014-10-08 | 浙江家泰电器制造有限公司 | Electric iron temperature controller |
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| Publication number | Publication date |
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| CN105274824B (en) | 2017-07-11 |
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