CN107644781A - A kind of new disposable thermal protector - Google Patents

A kind of new disposable thermal protector Download PDF

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Publication number
CN107644781A
CN107644781A CN201710852603.8A CN201710852603A CN107644781A CN 107644781 A CN107644781 A CN 107644781A CN 201710852603 A CN201710852603 A CN 201710852603A CN 107644781 A CN107644781 A CN 107644781A
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CN
China
Prior art keywords
movable contact
contact spring
bimetal leaf
base plate
housing
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.)
Pending
Application number
CN201710852603.8A
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Chinese (zh)
Inventor
陈烨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HANGZHOU FUYANG HUAYU CONTORL ELECTRICAL APPLIANCE FACTORY
Original Assignee
HANGZHOU FUYANG HUAYU CONTORL ELECTRICAL APPLIANCE FACTORY
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HANGZHOU FUYANG HUAYU CONTORL ELECTRICAL APPLIANCE FACTORY filed Critical HANGZHOU FUYANG HUAYU CONTORL ELECTRICAL APPLIANCE FACTORY
Priority to CN201710852603.8A priority Critical patent/CN107644781A/en
Publication of CN107644781A publication Critical patent/CN107644781A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a kind of new disposable thermal protector; base plate is provided with housing; the one end of one end of base plate successively with bimetal leaf and movable contact spring is fixed; the length of movable contact spring is more than the length of bimetal leaf; the bimetal leaf with forming the bimetal leaf concave surface and movable contact spring concave surface arched upward upwards respectively on movable contact spring; the other end of bimetal leaf is vacantly set; the other end of movable contact spring is provided with moving contact; moving contact on the movable contact spring abuts with the static contact being arranged on stationary contact bar, and movable contact spring is all connected with lead-out wire with static contact.The disposable thermal protector that it efficiently solves prior art can not verify break-off signal value one by one in process of production, actual switch-off temperature be present and theoretical value deviation is larger, it is impossible to the problem of accurately being protected to equipment, have very high practical value.

Description

A kind of new disposable thermal protector
Technical field
The present invention relates to a kind of thermal protector technical field, more particularly to it is a kind of used in motor or electrical equipment it is non-automatic The new disposable thermal protector of reset.
Background technology
The disposable thermal protector of prior art, is mainly realized by thermal fuse-link.It is mainly disconnected by housing, hot melt Body, sealing compound and extraction wire etc. form.When temperature rises to design temperature, fusing occurs for thermal fuse-link so as to cut off electricity Road.The shortcomings that this disposable thermal protector is the break-off signal that can not verify each thermal protector one by one in process of production Value, temperature and theoretical value deviation of each thermal protector in actual switch-off are larger, it is impossible to which equipment is accurately protected.It is open Day disclose a kind of thermal cut-out for electrical equipment on March 1st, 2017, Publication No. CN205992518U patent document Device, the breaker have:The connecting element that can be soldered on the electrical equipment joint face, the connecting element have flat Face section, the planar section can be soldered on the electrical equipment, and connecting element is also and the extra segment that is connected with planar section of tool;One Individual electric wire double-layered quilt is inserted into the electrical connection established on the extra segment with the electrical equipment;When the electrical equipment overheats When, the solder flux below the planar section softens, and the electrically wire clamp promotes the connecting element to move, so as to interrupt it is described electrically The electrical contact of element and connecting element.But this thermal protector is softened using solder flux to be promoted connecting element mobile and disconnects electricity Road, its shortcoming are identical with thermal fuse-link.Publication date is May 11, Publication No. CN201829431U patent document in 2011 A kind of bipolar disconnection non-self-reset thermal circuit breaker is disclosed, left and right slotting spring terminal is by jump ring clamping, left and right slotting spring terminal difference Have left and right of the connection of a static contact riveting with riveting, two square binding posts respectively with being connected left plate, right panel is riveted on base On, the movable contact spring that two rivetings have moving contact is fixed on base, and mechanism rack assembles in the base, equipped with extension on mechanism rack Plate, hanging plate and impeller riveting, on two movable contact springs, the mechanism rack other end is equipped with seesaw for impeller lower end, on seesaw Restoring lever is welded with, equipped with piece is lifted up between seesaw and hanging plate, stage clip II, the centre bore dress pressure of felt pad are housed on the boss of base Spring I, micrometer adjusting screw is filled in felt pad, resets push rod, the temperature module one end is in stage clip I, the other end is mounted in adjusting screw It is interior.It will ensure that synchronous disconnect the two poles of the earth contact, could manually reset, to reach the purpose for protection equipment of cutting off the electricity supply.But This thermal protector volume is big, and complicated, production cost is very high, is not suitable for the disposable disconnection of electric equipment(It is not automatic Reset)The Thermal protection of form.
The content of the invention
The present invention can not verify break-off signal one by one in process of production to solve the disposable thermal protector of prior art , there is actual switch-off temperature and theoretical value deviation be larger, it is impossible to the problem of accurately being protected to electric equipment in value, there is provided a kind of Break-off signal can be verified in advance, the new disposable thermal protector accurately protected to electric equipment.
The present invention is that concrete technical scheme is used by reaching above-mentioned technical purpose:A kind of new disposable Thermal protection Device, include the housing of flat structure, be provided with base plate in housing, base plate is provided with bimetal leaf, set above bimetal leaf Movable contact spring is put, the length of movable contact spring is more than the length of bimetal leaf, and the bimetal leaf with forming upwards respectively on movable contact spring The bimetal leaf concave surface and movable contact spring concave surface arched upward, one end of bimetal leaf and one end of movable contact spring and one end of base plate are fixed Connection, the other end of bimetal leaf are vacantly set, and the other end of movable contact spring is provided with moving contact, is provided with above the other end of base plate The stationary contact bar of insulation system, stationary contact bar are provided with static contact, and the moving contact on the movable contact spring abuts with static contact, move and touch Piece is all connected with lead-out wire with static contact.Base plate in inventive shell is provided with bimetal leaf and movable contact spring, bimetal leaf with The movable contact spring concave surface that the bimetal leaf concave surface arched upward upwards is respectively equipped with movable contact spring and is arched upward upwards, the movable contact spring other end are equipped with The moving contact abutted with static contact, when the temperature of thermal protector present position is increased to predetermined temperature protection value, bimetallic The concave upright upset of piece, the concave upright upset of movable contact spring being promoted, with being separated at the abutting of static contact, circuit disconnects moving contact, with Corresponding electric equipment is protected to be unlikely to cause thermal damage.The Wen Duxiajiang of corresponding electric appliance equipment, works as thermal protector after circuit disconnects When certain numerical value is dropped at a temperature of present position, bimetal leaf concave surface, which downwardly turns over, returns to initial position, and movable contact spring concave surface Continue the rollover states that keep up on the premise of no external force acts on, i.e. moving contact continues to keep released state not with static contact It can automatically reset, so as to realize disposable Thermal protection.Because the disposable thermal protector of the present invention can be beforehand through experiment Determine the upset temperature of bimetal leaf and demarcate, therefore, the actual switch-off temperature and nominal value deviation of thermal protector of the present invention are very It is small, therefore accurate protection can be provided electric equipment, solve the disposable thermal protector of prior art in production process In can not verify break-off signal value one by one, actual switch-off temperature be present and theoretical value deviation be larger, it is impossible to equipment is carried out accurate The problem of protection.On the other hand, new disposable thermal protector thickness of the invention is in addition to shell, only by pedestal thickness of slab Degree, the thickness of stationary contact bar and static contact, moving contact thickness and moving contact break distance are formed, and belong to ultrathin structure, favorably In setting of the thermal protector in electric equipment.
Preferably, housing is rectangular, side is provided with opening, the connection end of the bimetal leaf and movable contact spring and base plate It is arranged on the side away from opening, the stationary contact bar and lead-out wire in housing and is arranged on the opening side of housing, housing is opened Sealing compound is provided with mouthful.
Preferably, the base plate below stationary contact bar is close to housing setting, base plate and bimetal leaf and movable contact spring Connection end is folded upward at the fixed plate formed with higher than base plate, and fixed plate is provided with riveted holes, the bimetal leaf and dynamic touches Piece rivets with fixed plate, and the base plate between fixed plate and stationary contact bar is provided with the boss to arch upward upwards, and the boss is located at Below bimetal leaf concave surface and it is close to bimetal leaf concave surface.Set on base plate between fixed plate and stationary contact bar to arch The boss risen, it can be ensured that the surrounding of bimetal leaf concave surface jacks up upwards during bimetal leaf concave upright upset, i.e., boss limits The minimum point height of bimetal leaf concave surface, so that it is guaranteed that bimetal leaf concave surface promotes movable contact spring concave upright upset.
Preferably, the movable contact spring above bimetal leaf free end is provided with downwardly convex bulge, the bulge Between the moving contact of movable contact spring and movable contact spring concave surface, when bimetal leaf concave surface is overturn, bimetal leaf is pushed up by bulge Dynamic movable contact spring concave surface upset, the moving contact of movable contact spring separate with static contact.Bulge corresponds to the outer rim of bimetal leaf concave surface, double gold When belonging to the upset of piece concave surface, the outer rim of bimetal leaf concave surface abuts with bulge and pushes up movable contact spring concave surface by bulge and overturns, It can so make the upset of movable contact spring concave surface more smooth rapid.
Preferably, housing is high-temperature resistance plastice material, the base plate is metallic plate, and the static contact is embedding by being molded It is located on stationary contact bar, the movable contact spring connects lead-out wire by base plate.Here high-temperature resistance plastice refers to protect in heat Protect the plastic material of long-time normal work below device break-off signal.
Alternatively, housing is metal material material, and the base plate is metallic plate, the housing overcoat Provided with the insulation sleeve for coating the housing, the static contact is embedded on stationary contact bar by injection, and the movable contact spring passes through base Seat board connects lead-out wire.
The structure preferably, moving contact and movable contact spring are formed in one, described moving contact is downwardly convex sphere, is moved Contact is provided with silver-coated layer.Moving contact can also be the silver contact being riveted on movable contact spring.
Preferably, bimetal leaf concave surface and movable contact spring concave surface are circular or butterfly, close to fixing end two on bimetal leaf Side is provided with recess.Recess plays a part of isolating bimetal leaf concave surface and fixing end to a certain extent, reduces bimetal leaf and consolidates Influence of the fixed end to bimetal leaf concave surface, is advantageous to the upset of bimetal leaf concave surface.
Preferably, the housing above bulge is provided with reset hole, reset hole is provided with chock.Housing above bulge Upper setting reset hole, can it is some need emergency repair in the case of, open chock, by draw point insert reset hole make it is tactile Piece concave surface downwardly turns over reset, thermal protector is reworked, nothing after being fused this avoid existing disposable thermal protector The defects of method secondary use, meet it is some in particular cases the needs of.
Preferably, both sides up and down corresponding with fixed plate are arranged with the screw of indent on housing, temperature is provided with screw Spend micrometer adjusting screw.Higher occasion is required for some temperature accuracies, then the temperature that can finely tune both sides above and below fixed plate is micro- Adjust screw so that relative to the position of base plate bottom surface the slight initial stressed shape for changing, changing bimetal leaf occurs for fixed plate Condition, so as to reach the purpose of fine setting bimetal leaf concave surface upset temperature, by the fine tune temperature spiral shell above and below fixed plate after the completion of fine setting Nail locking, the position of fixed plate is solidified, it is ensured that the position of fixed plate is stable, so that the temperature protection precision of thermal protector is entered One step improves.Here fine tune temperature screw can be loaded using the screw of indent in screw, avoids fine tune temperature screw to heat The influence of protector outward appearance, while can close screw with sealing compound after the completion of fine setting, it is ensured that the closure of thermal protector.
The beneficial effects of the invention are as follows:It efficiently solves the disposable thermal protector of prior art in process of production Break-off signal value can not be verified one by one, actual switch-off temperature be present and theoretical value deviation is larger, it is impossible to which equipment is accurately protected The problem of shield, thermal protector of the invention can verify break-off signal in advance, carry out accurate temperature protection to electric equipment, have Very high practical value.
Brief description of the drawings
Fig. 1 is a kind of structure sectional view of the present invention;
Fig. 2 is a kind of structure sectional view after the concave upright upset of bimetal leaf of the present invention;
Fig. 3 is a kind of structure sectional view after bimetal leaf concave surface of the present invention resets;
Fig. 4 is a kind of internal dimensional structure diagram of the present invention;
Fig. 5 is a kind of internal structure top view of the present invention;
Fig. 6 is a kind of dimensional structure diagram of base plate of the present invention;
Fig. 7 is a kind of structure top view of bimetal leaf of the present invention;
Fig. 8 is a kind of lateral partial structurtes sectional view of the present invention;
Fig. 9 is another lateral partial structurtes sectional view of the present invention.
In figure:1. housing, 2. base plates, 3. bimetal leafs, 4. movable contact springs, 5. bimetal leaf concave surfaces, 6. movable contact springs are recessed Face, 7. moving contacts, 8. stationary contact bars, 9. static contacts, 10. lead-out wires, 11. sealing compounds, 12. fixed plates, 13. riveted holes, 14. is convex Platform, 15. bulges, 16. recesses, 17. reset holes, 18. fine tune temperature screws.
Embodiment
The embodiment of technical solution of the present invention is made further below by embodiment, and with reference to accompanying drawing It is bright.
Embodiment 1
In embodiment 1 as shown in Figure 1, a kind of new disposable thermal protector, include the shell of flat structure rectangular shape Body 1, the housing are high-temperature resistance plastice material, and a narrow avris of housing is provided with opening, base plate 2 is provided with housing(See Fig. 6), Base plate is metallic plate, and the base plate of the side away from opening is folded upward at the fixed plate 12 formed with higher than base plate, fixed Plate is provided with 2 riveted holes 13, and fixed plate is provided with bimetal leaf 3(See Fig. 7), the top of bimetal leaf sets movable contact spring 4(See Fig. 4 Fig. 5), one end of the bimetal leaf and movable contact spring is riveted in fixed plate, and the length of movable contact spring is more than the length of bimetal leaf Degree, the bimetal leaf with forming the bimetal leaf concave surface 5 arched upward upwards and the movable contact spring to arch upward upwards respectively on movable contact spring Concave surface 6, bimetal leaf concave surface and movable contact spring concave surface are provided with recess 16 on bimetal leaf to be circular close to fixing end both sides(See figure 7).
The other end of bimetal leaf is vacantly set, and the movable contact spring above bimetal leaf free end is provided with downwardly convex Bulge 15, the bulge is located between moving contact and the movable contact spring concave surface of movable contact spring, and the other end of movable contact spring is provided with moving contact 7, the moving contact of the present embodiment and movable contact spring are formed in one structure, and described moving contact is downwardly convex sphere, moving contact It is provided with silver-coated layer.Base plate is provided with the plastics stationary contact bar 8 of insulation system, stationary contact bar close to the top of shell nozzle one end The base plate of lower section is close to housing and set, and static contact 9 is embedded with by being molded on stationary contact bar, the moving contact on the movable contact spring Abutted with static contact, static contact connection lead-out wire 10, movable contact spring connects lead-out wire by base plate, close to housing in the present embodiment Lead-out wire connection end is equipped with the static contact and base plate of opening(See Fig. 5), lead-out wire is arranged on the opening side of housing, The opening of housing is provided with sealing compound 11.
Base plate between fixed plate and stationary contact bar is provided with the table shaped convex platform 14 to arch upward upwards, and the boss is located at Below bimetal leaf concave surface and bimetal leaf concave surface is close in its upper end.When bimetal leaf concave surface is overturn, bimetal leaf passes through drum Bag pushes up the upset of movable contact spring concave surface, and the moving contact of movable contact spring separates with static contact.
Base plate in inventive shell is provided with bimetal leaf and movable contact spring, and bimetal leaf on movable contact spring with being respectively equipped with The bimetal leaf concave surface and movable contact spring concave surface arched upward upwards, the movable contact spring other end is equipped with the moving contact abutted with static contact, first Under beginning state, moving contact is in static contact and abuts state(See Fig. 1), when the temperature of thermal protector present position be increased to it is predetermined Temperature protection value when, the concave upright upset of bimetal leaf promotes the concave upright upset of movable contact spring, and moving contact and static contact support Place's separation is connect, circuit disconnects, to protect corresponding electric equipment to be unlikely to cause thermal damage(See Fig. 2).Circuit corresponding electricity after disconnecting The Wen Duxiajiang of device equipment, when dropping to certain numerical value at a temperature of thermal protector present position, bimetal leaf concave surface is turned over downwards Initial position is rotated back into, and the rollover states that keep up are continued in movable contact spring concave surface on the premise of no external force acts on(See Fig. 3), I.e. moving contact continues to keep released state not automatically reset with static contact, so as to realize disposable Thermal protection.Due to this hair Bright new disposable thermal protector can determine upset temperature, therefore, the reality of thermal protector of the present invention beforehand through experiment Break-off signal and nominal value deviation very little, therefore accurate protection can be provided electric equipment, solve the one of prior art Secondary property thermal protector can not verify break-off signal value one by one in process of production, exist actual switch-off temperature and theoretical value deviation compared with Greatly, it is impossible to the problem of accurately being protected to equipment.
Embodiment 2
The housing of embodiment 2 uses metal material material, is arranged with the insulation sleeve for coating the housing outside housing, above bulge Housing is provided with reset hole 17(See Fig. 8), reset hole is provided with chock, and bimetal leaf concave surface and movable contact spring concave surface are butterfly, its Remaining and embodiment 1 is identical.The present embodiment sets reset hole on the housing above bulge, can be in some emergency repairs that need In the case of, chock is opened, inserting reset hole by draw point makes movable contact spring concave surface downwardly turn over reset, makes thermal protector work again Make, this avoid existing disposable thermal protector fuse after can not secondary use the defects of, meet it is some in particular cases Demand.
Embodiment 3
Both sides up and down corresponding with fixed plate center are arranged with the screw of indent on the housing of embodiment 3, and temperature is provided with screw Spend micrometer adjusting screw 18(See Fig. 9), the fine tune temperature screw is holding screw, and the opening of screw is provided with sealing compound, remaining and Embodiment 1 or embodiment 2 are identical.Higher occasion is required for some temperature accuracies, then can be finely tuned two above and below fixed plate The fine tune temperature screw of side so that relative to the position of base plate bottom surface slight change occurs for fixed plate, changes bimetal leaf Initial stressed situation, so as to reach the purpose of fine setting bimetal leaf concave surface upset temperature, by above and below fixed plate after the completion of fine setting Fine tune temperature screw lock, the position of fixed plate is solidified, it is ensured that the position of fixed plate is stable, so that the temperature of thermal protector Protection precision further improves.Here fine tune temperature screw can be loaded using the screw of indent in screw, avoids temperature micro- Influence of the screw to thermal protector outward appearance is adjusted, while screw can be closed with sealing compound after the completion of fine setting, it is ensured that thermal protector Closure.
In addition to the implementation, in the scope disclosed in claims of the present invention and specification, skill of the invention Art feature or technical data can be reselected and combined, and so as to form new embodiment, these are all art technologies Personnel need not carry out that creative work is i.e. achievable, therefore the embodiment that these present invention are not described in also should be regarded as this The specific embodiment of invention and within protection scope of the present invention.

Claims (9)

1. a kind of new disposable thermal protector, include the housing of flat structure(1), it is characterized in that:Base plate is provided with housing (2), base plate is provided with bimetal leaf(3), the top of bimetal leaf sets movable contact spring(4), the length of movable contact spring is more than double gold Belong to the length of piece, the bimetal leaf with forming the bimetal leaf concave surface arched upward upwards respectively on movable contact spring(5)And movable contact spring Concave surface(6), one end of bimetal leaf is fixedly connected with one end of movable contact spring with one end of base plate, and the other end of bimetal leaf hangs Sky is set, and the other end of movable contact spring is provided with moving contact(7), the other end top of base plate is provided with the stationary contact bar of insulation system (8), stationary contact bar is provided with static contact(9), the moving contact on the movable contact spring abuts with static contact, and movable contact spring is equal with static contact Connect lead-out wire(10).
2. new disposable thermal protector according to claim 1, it is characterised in that the housing is rectangular, and side is set There is opening, the connection end of the bimetal leaf and movable contact spring and base plate is arranged on the side away from opening in housing, described quiet Contact base and lead-out wire are arranged on the opening side of housing, and the opening of housing is provided with sealing compound(11).
3. new disposable thermal protector according to claim 1, it is characterised in that the base plate below stationary contact bar is tight Paste housing to set, the connection end of base plate and bimetal leaf and movable contact spring is folded upward at the fixed plate formed with higher than base plate (12), fixed plate is provided with riveted holes(13), the bimetal leaf and movable contact spring and fixed plate rivet, fixed plate and stationary contact bar Between base plate be provided with the boss that arches upward upwards(14), the boss is located at below bimetal leaf concave surface and is close to bimetallic Piece concave surface.
4. new disposable thermal protector according to claim 1, it is characterised in that above bimetal leaf free end Movable contact spring be provided with downwardly convex bulge(15), the bulge is located between moving contact and the movable contact spring concave surface of movable contact spring, Bimetal leaf concave surface overturn when, bimetal leaf by bulge push up movable contact spring concave surface overturn, the moving contact of movable contact spring with it is quiet Contact separates.
5. new disposable thermal protector according to claim 1, it is characterised in that the housing is high-temperature resistance plastice material Matter, the base plate are metallic plate, and the static contact is embedded on stationary contact bar by injection, and the movable contact spring passes through base plate Connect lead-out wire.
6. new disposable thermal protector according to claim 1, it is characterised in that the housing is metal material material Matter, the base plate are metallic plate, are arranged with the insulation sleeve for coating the housing outside the housing, the static contact passes through injection It is embedded on stationary contact bar, the movable contact spring connects lead-out wire by base plate.
7. new disposable thermal protector according to claim 1, it is characterised in that described moving contact is with movable contact spring Integrated formed structure, described moving contact are downwardly convex sphere, and moving contact is provided with silver-coated layer.
8. according to the new disposable thermal protector described in claim any one of 1-7, it is characterised in that bimetal leaf concave surface and Movable contact spring concave surface is circular or butterfly, and recess is provided with close to fixing end both sides on bimetal leaf(16).
9. according to the new disposable thermal protector described in claim any one of 1-7, it is characterised in that the housing above bulge It is provided with reset hole(17), reset hole is provided with chock.
CN201710852603.8A 2017-09-19 2017-09-19 A kind of new disposable thermal protector Pending CN107644781A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710852603.8A CN107644781A (en) 2017-09-19 2017-09-19 A kind of new disposable thermal protector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710852603.8A CN107644781A (en) 2017-09-19 2017-09-19 A kind of new disposable thermal protector

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CN107644781A true CN107644781A (en) 2018-01-30

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108321013A (en) * 2018-02-07 2018-07-24 佛山市顺德区汇控电器制造有限公司 A kind of anti-reset temperature controller of duplicate protection
WO2023157764A1 (en) * 2022-02-18 2023-08-24 ウチヤ・サーモスタット株式会社 Thermal protector
CN117894632A (en) * 2024-03-18 2024-04-16 常州市常达电器有限公司 Overheat protector for preventing false collision and working method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2146778Y (en) * 1993-01-02 1993-11-17 宝应电器厂 Hand-resetting overheat protector
EP0732716A2 (en) * 1995-03-17 1996-09-18 Jens Radbruch Thermostatic protective switch
US20020044039A1 (en) * 2000-10-13 2002-04-18 Hideaki Takeda Thermal protector
CN201812742U (en) * 2010-01-20 2011-04-27 刘江 Adjustable current temperature protector
CN201829431U (en) * 2010-09-14 2011-05-11 陈永龙 Bipolar disconnection non-self-reset thermal circuit breaker
CN203588936U (en) * 2013-11-12 2014-05-07 常州市常宏同力电器有限公司 Heat protector

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2146778Y (en) * 1993-01-02 1993-11-17 宝应电器厂 Hand-resetting overheat protector
EP0732716A2 (en) * 1995-03-17 1996-09-18 Jens Radbruch Thermostatic protective switch
US20020044039A1 (en) * 2000-10-13 2002-04-18 Hideaki Takeda Thermal protector
CN201812742U (en) * 2010-01-20 2011-04-27 刘江 Adjustable current temperature protector
CN201829431U (en) * 2010-09-14 2011-05-11 陈永龙 Bipolar disconnection non-self-reset thermal circuit breaker
CN203588936U (en) * 2013-11-12 2014-05-07 常州市常宏同力电器有限公司 Heat protector

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108321013A (en) * 2018-02-07 2018-07-24 佛山市顺德区汇控电器制造有限公司 A kind of anti-reset temperature controller of duplicate protection
CN108321013B (en) * 2018-02-07 2024-02-09 佛山市顺德区汇控电器制造有限公司 Dual-protection reset-prevention temperature controller
WO2023157764A1 (en) * 2022-02-18 2023-08-24 ウチヤ・サーモスタット株式会社 Thermal protector
CN117894632A (en) * 2024-03-18 2024-04-16 常州市常达电器有限公司 Overheat protector for preventing false collision and working method thereof
CN117894632B (en) * 2024-03-18 2024-05-24 常州市常达电器有限公司 Overheat protector for preventing false collision and working method thereof

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