CN108321013A - A kind of anti-reset temperature controller of duplicate protection - Google Patents

A kind of anti-reset temperature controller of duplicate protection Download PDF

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Publication number
CN108321013A
CN108321013A CN201810126133.1A CN201810126133A CN108321013A CN 108321013 A CN108321013 A CN 108321013A CN 201810126133 A CN201810126133 A CN 201810126133A CN 108321013 A CN108321013 A CN 108321013A
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CN
China
Prior art keywords
reset
movable contact
contact spring
temperature controller
bimetal leaf
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Application number
CN201810126133.1A
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Chinese (zh)
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CN108321013B (en
Inventor
黄普添
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Foshan City Shunde District Hsbc Electrical Appliance Manufacturing Co Ltd
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Foshan City Shunde District Hsbc Electrical Appliance Manufacturing Co Ltd
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Priority to CN201810126133.1A priority Critical patent/CN108321013B/en
Publication of CN108321013A publication Critical patent/CN108321013A/en
Application granted granted Critical
Publication of CN108321013B publication Critical patent/CN108321013B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00Thermally-actuated switches
    • H01H37/02Details
    • H01H37/32Thermally-sensitive members
    • H01H37/52Thermally-sensitive members actuated due to deflection of bimetallic element
    • H01H37/521Thermally-sensitive members actuated due to deflection of bimetallic element comprising a plurality of bimetals acting in the same direction

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Thermally Actuated Switches (AREA)

Abstract

A kind of anti-reset temperature controller of duplicate protection,Upper connecting terminal is electrically connected with the second bimetal leaf,The movable end of second bimetal leaf is equipped with moving contact,Upper moving contact is electrically connected with static contact,Mounting base is equipped with below movable contact spring component,It is threaded in mounting base and adjusts porcelain bar,Porcelain bar one end is adjusted to offset with movable contact spring component,The other end extends into the cavity in mounting base,The reset drives set installed in different directions and anti-reset sliding block are elasticly connected in cavity,Reset drives covers one end and extends outside mounting base,Anti- one end for resetting sliding block is extended is provided with anti-reset spacing block outside mounting base,Upper moving contact is dielectrically separated from by anti-reset spacing block after the second bimetal leaf high temperature deformation with static contact,Reset drives, which is sleeved on after the second bimetal leaf restores, pushes anti-reset spacing block to leave between moving contact and static contact insulation,It realizes and resets,It avoids being not handled by for a long time due to user,The problems such as causing dry combustion method repeatedly is resetted after so that the second bimetal leaf is cooled down.

Description

A kind of anti-reset temperature controller of duplicate protection
Technical field
The present invention relates to temperature controller field, the anti-reset temperature controller of specifically a kind of duplicate protection.
Background technology
Currently, temperature controller is applied on electrical heating utensil more, it is double when sensing that temperature equals or exceeds temperature preset value Sheet metal temperature distortion simultaneously pushes dry burning resistance switch to act, and to disconnect conducting wire, realizes the effect of anti-dry, still, now Temperature controller single bimetal leaf Anti-overheating structure is only installed, when be equipped with substance protect structure temperature controller damage when, temperature Control device loses the protective effect to electric heater, and entire electric heater is caused to damage even more serious safety accident, and Bimetal leaf has auto-reset function in traditional temperature controller, and bimetal leaf is less than reset temperature preset value in own temperature When, bimetal leaf deformation automatically resets, such as:Reset temperature preset value is 50 DEG C, and bimetal leaf is conductive because dry combustion method (overheat) disconnects Circuit, if user does not have timely processing dry combustion method problem, after radiating and cooling after a period of time, own temperature is less than bimetal leaf 50 DEG C, bimetal leaf resets, and conducting wire is again switched on, and bimetal leaf can disconnect conducting wire because of dry combustion method again, so repeat to do Electricity, cooling reset energization are blown, the electric appliance that temperature controller is used in connection with the temperature controller is easy aging, so that service life reduction, Er Qieji Easily cause safety accident.
Invention content
It is above-mentioned existing it is an object of the invention to solve the problems, such as, a kind of a kind of dual guarantor simple and reasonable for structure is provided The anti-reset temperature controller of shield, effect are to avoid the damage of single bimetallic sheet structure that temperature controller is caused to fail and bimetal leaf Cooling resets the problems such as causing to repeat dry combustion method.
A kind of anti-reset temperature controller of duplicate protection, including insulated column, be separately installed on insulated column the first bimetal leaf, Upper connecting terminal, static contact, movable contact spring component and the lower connecting terminal being connect with movable contact spring component, one end of movable contact spring component It is electrically connected with static contact, insulation is installed between the other end of movable contact spring component and the movable end of the first bimetal leaf and adjusts dress It sets, the upper connecting terminal is electrically connected with the second bimetal leaf, and the movable end of the second bimetal leaf is equipped with moving contact, upper dynamic Contact is electrically connected with static contact;Under normal condition, temperature controller is provided with the first bimetallic sheet structure, can effectively be temperature controller The advantageous effect of anti-dry is improved, but since the first bimetal leaf is connect with movable contact spring component, and movable contact spring modular construction is more Error in complicated or assembling process has certain probability the failure of the first bimetal leaf anti-dry occur, and temperature controller increases at this time Second bimetal leaf, double bimetallic sheet structure are capable of providing duplicate protection, after solving single bimetallic sheet structure damage, temperature control Device anti-dry fails, and entire electric heater is caused to damage even more serious safety accident.
Movable contact spring component lower section is equipped with mounting base, is threaded in mounting base and adjusts porcelain bar, adjusts porcelain bar one end and moves Contact assemblies offset, and the other end extends into the cavity in mounting base;Porcelain bar is adjusted by adjusting, adjusting porcelain bar is made to push movable contact spring Component slight bending deforms, and temperature controller is made to realize the heat insulation function of different temperatures.
It is elasticly connected with the reset drives set installed in different directions in cavity and anti-reset sliding block, reset drives cover one end Extend outside mounting base, anti-one end for resetting sliding block is extended is provided with anti-reset spacing block outside mounting base.
Upper moving contact is dielectrically separated from by anti-reset spacing block after the second bimetal leaf high temperature deformation with static contact, is resetted and is driven Dynamic be sleeved on after the second bimetal leaf restores pushes anti-reset spacing block to leave between moving contact and static contact insulation, realizes multiple Position, after which avoids the first bimetal leaf from damaging, dry combustion method, which occurs, in electric heater to be triggered after the second bimetal leaf is thermally deformed, temperature After controlling the disconnection of device circuit, since user is not handled by for a long time, is resetted after so that the second bimetal leaf is cooled down and cause dry combustion method repeatedly The problems such as.
Under temperature controller normal condition, upper moving contact is connected with static contact, and anti-reset spacing block is made in elasticity at this time It is firmly pressed against the outside of moving contact down, after the second bimetal leaf high temperature deformation, moves up, anti-reset spacing block is made to lose Resistance is removed, shifts anti-reset spacing block between upper moving contact and static contact onto under elastic reaction, when being equipped with the temperature controller Device is resetted when being not handled by for a long time after the cooling of the second bimetal leaf, is resetted spacing block and is dielectrically separated from the two, avoids Upper moving contact is contacted again with static contact to be powered on, and device is made to repeat dry combustion method.
Upper static contact and lower static contact are separately installed on the static contact, corresponding movable contact spring component is equipped with and lower stationary contact The lower moving contact of head electrical contact, upper static contact is electrically connected with upper moving contact, simple in structure, and contact is convenient.
The other end for adjusting porcelain bar extends into reset drives set, and limit sliding chutes are offered in reset drives set, right The adjusting porcelain bar bottom answered is extended with the convex block coordinated with limit sliding chutes, is equipped in reset drives set and compresses adjusting porcelain bar bottom (the first back-moving spring.
The reset drives of the structure, which is sleeved on, to be adjusted porcelain bar and needs to adjust when compressing movable contact spring, is rotated reset drives set, is resetted The limit sliding chutes of actuating sleeve drive the convex block rotation for adjusting porcelain bar, so that the realization of adjusting porcelain bar threads turn is moved up and down, adjust pressure Dynamics to movable contact spring, meanwhile, by upper moving contact and static contact after anti-reset spacing block is in the second bimetal leaf high temperature deformation After being dielectrically separated from, user needs to reset in use, pushing reset drives set to adjusting porcelain bar side after the cooling of the second bimetal leaf To movement, anti-reset spacing block is pushed to leave between moving contact and static contact insulation, complete to reset, adjusted porcelain bar at this time and fix Motionless, limit sliding chutes realize that reset function does not interfere with the heat preservation numerical value for adjusting porcelain bar again simultaneously along the opposite sliding of convex block.
Described anti-one end for resetting sliding block, which offers, resets inclined surface, resets inclined surface and matches with reset drives set Elastic pusher It closes, the anti-other end for resetting sliding block is extended with locating convex block, and second back-moving spring is socketed on locating convex block, is resetted by second Spring makes anti-reset sliding block slide in the cavity, simple in structure, easy to assembly, by resetting inclined surface, makes answering for longitudinal movement Position actuating sleeve can drive anti-reset sliding block transverse shifting.
The movable contact spring component includes the upper movable contact spring of mutual elastic jaw and lower movable contact spring, the fixing end of lower movable contact spring with Lower connecting terminal is fixed on insulated column, and the movable end of lower movable contact spring is connect with one end of upper movable contact spring, upper movable contact spring it is another End is equipped with lower moving contact, and lower moving contact is electrically connected with lower static contact, which is public technology, is conducive to specification metaplasia Production improves production efficiency.
Be extended with pressure regulation piece in the fixing end of the lower movable contact spring, the other end of the movable end of pressure regulation piece and upper movable contact spring it Between be equipped with elastic spring, which is public technology, is conducive to normalized production, improves production efficiency.
The insulation regulating device includes collets, and collets are mounted on the movable end of upper movable contact spring, and corresponding first Threaded adjusting bore is offered on bimetal leaf, and threaded post movable up and down is installed in threaded adjusting bore, passes through and adjusts threaded post The bottom and collets composition for making threaded post compress cooperation, and the structure is easy for installation, and assembly is quick, can improve production efficiency, leads to It crosses collets to snap onto on movable contact spring, is convenient for the height of the movable contact spring under being electrically insulated and being finely tuned by craft before manufacture, Deformation parameter is adjusted so that it can reach the accurate range for determining holding temperature capable of being adjusted.
The collets include insulating body, and the insulation with the socket cooperation of screw thread column bottom is extended at the top of insulating body Sleeve avoids threaded post from shifting, and temperature controller is caused to damage.
The bottom of first bimetal leaf is provided with insulating film, since the second bimetal leaf is mounted on the first bimetal leaf Lower section, after insulating film can avoid the second bimetal leaf high temperature deformation, be bent upwards with the first bimetal leaf be in electrical contact, cause Temperature controller anti-dry fails.
Threaded hole is offered in the mounting base, is adjusted porcelain bar outer wall and is offered the external screw thread being threadedly coupled with threaded hole, It adjusts porcelain bar to be connected through a screw thread, adjusting porcelain bar can cannot be pushed slight displacement occur when reset drives covers reset movement, It causes heat preservation numerical value deviation occur, makes adjusting porcelain bar that can only could drive when reset drives is covered and rotated and adjust porcelain bar rotation position It moves.
The anti-spacing block that resets includes the interconnecting piece being connect with anti-reset sliding block, and the top surface horizontal extension of interconnecting piece has absolutely The isolation part of edge isolation upper moving contact and static contact, interconnecting piece, isolation part and anti-reset sliding block connect for integral type, structure letter It is single, it is convenient for production.
The beneficial effects of the invention are as follows:
A kind of anti-reset temperature controller of duplicate protection of the present invention, simple in structure, double bimetallic sheet structure is capable of providing double It protects again, after solving single bimetallic sheet structure damage, the failure of temperature controller anti-dry causes entire electric heater damage even more Add serious safety accident, after avoiding the first bimetal leaf from damaging, it is heated that dry combustion method the second bimetal leaf of triggering occurs in electric heater After deformation, after thermostat circuit disconnects, since user is not handled by for a long time, resets and cause after so that the second bimetal leaf is cooled down Repeatedly the problems such as dry combustion method.
Description of the drawings
Fig. 1 is the normal operating conditions structural schematic diagram of the present invention.
Fig. 2 is the dry combustion method working state structure schematic diagram of the present invention.
Fig. 3 is the reset working state structure schematic diagram of the present invention.
Fig. 4 is the cross-sectional view one of the present invention.
Fig. 5 is the cross-sectional view two of the present invention.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in Figure 1, a kind of anti-reset temperature controller of duplicate protection, including insulated column 1, it is separately installed on insulated column 1 First bimetal leaf 2, upper connecting terminal 3, static contact 4, movable contact spring component 5 and the lower terminals being connect with movable contact spring component 5 Son 6, one end and the static contact 4 of movable contact spring component 5 are electrically connected, the work of the other end of movable contact spring component 5 and the first bimetal leaf 2 Insulation regulating device 7 is installed, the upper connecting terminal 3 is electrically connected with the second bimetal leaf 8, the second bimetal leaf between moved end 8 movable end is equipped with moving contact 9, and upper moving contact 9 is electrically connected with static contact 4;Under normal condition, temperature controller is provided with One bimetal leaf, 2 structure can effectively be the advantageous effect that temperature controller improves anti-dry, but due to the first bimetal leaf 2 and move Error during contact assemblies 5 connect, and 5 structure of movable contact spring component is complex or assembling process has certain probability to occur the One bimetal leaf, 2 anti-dry fails, and temperature controller increases by the second bimetal leaf 8 at this time, and double bimetallic sheet structure is capable of providing double It protects again, after solving single bimetallic sheet structure damage, the failure of temperature controller anti-dry causes entire electric heater damage even more Add serious safety accident.
5 lower section of movable contact spring component is equipped with mounting base 10, is threaded in mounting base 10 and adjusts porcelain bar 11, adjusts porcelain bar 11 One end offsets with movable contact spring component 5, and the other end extends into the cavity 12 in mounting base 10;Porcelain bar 11 is adjusted by adjusting, makes tune It saves porcelain bar 11 and pushes the 5 slight bending deformation of movable contact spring component, temperature controller is made to realize the heat insulation function of different temperatures.
The reset drives set 13 installed in different directions and anti-reset sliding block 14, reset drives are elasticly connected in cavity 12 It covers 13 one end to extend outside mounting base 10, anti-one end for resetting sliding block 14 is extended is provided with anti-reset spacing block outside mounting base 10 15。
As shown in Figure 2 to Figure 3, anti-reset spacing block 15 after 8 high temperature deformation of the second bimetal leaf by upper moving contact 9 with it is quiet Contact 4 is dielectrically separated from reset drives set 13 and pushes anti-reset spacing block 15 to leave upper moving contact 9 after the recovery of the second bimetal leaf 8 It between insulating with static contact 4, realizes and resets, after which avoids the first bimetal leaf 2 from damaging, dry combustion method triggering occurs in electric heater After second bimetal leaf 8 is thermally deformed, after thermostat circuit disconnects, since user is not handled by for a long time, make second pair of gold Belong to after piece 8 cools down and resets the problems such as causing dry combustion method repeatedly.
Under temperature controller normal condition, upper moving contact 9 is connected with static contact 4, and anti-reset spacing block 15 is in bullet at this time Property active force under be pressed against the outside of moving contact 9 and moved up after the second 8 high temperature deformation of bimetal leaf, make it is anti-reset every Resistance is lost from block 15, anti-reset spacing block 15 is shifted onto between upper moving contact 9 and static contact 4 under elastic reaction, works as installation There is the device of the temperature controller when being not handled by for a long time, resetted after the cooling of the second bimetal leaf 8, resets spacing block 15 by two Person is dielectrically separated from, and avoids moving contact 9 from being contacted again with static contact 4 and powers on, and device is made to repeat dry combustion method.
As shown in Fig. 4 to 5, upper static contact 401 and lower static contact 402 are separately installed on the static contact 4, it is corresponding dynamic tactile Piece component 5 is equipped with the lower moving contact 16 being in electrical contact with lower static contact 402, and upper static contact 401 is electrically connected with upper moving contact 9, Simple in structure, contact is convenient.
The other end for adjusting porcelain bar 11 extends into reset drives set 13, and offering limit in reset drives set 13 slides Slot 17, corresponding 11 bottom of adjusting porcelain bar are extended with the convex block 18 coordinated with limit sliding chutes 17, are equipped in reset drives set 13 Compress the (the first back-moving spring 19 for adjusting 11 bottom of porcelain bar.
The reset drives set 13 of the structure rotates reset drives set when adjusting porcelain bar 11 needs to adjust and compresses movable contact spring 13, the limit sliding chutes 17 of reset drives set 13 drive the convex block 18 for adjusting porcelain bar 11 to rotate, and keep 11 threads turn of adjusting porcelain bar real It now moves up and down, adjusts the dynamics for compressing movable contact spring, meanwhile, when anti-reset spacing block 15 is in 8 high temperature deformation of the second bimetal leaf After being afterwards dielectrically separated from upper moving contact 9 and static contact 4, user needs to reset in use, pushing after the cooling of the second bimetal leaf 8 Reset drives set 13 is moved to 11 direction of porcelain bar is adjusted, and is pushed anti-reset spacing block 15 to leave moving contact 9 and is insulated with static contact 4 Between, it completes to reset, adjusting porcelain bar 11 is fixed at this time, and limit sliding chutes 17 realize reset function along the opposite sliding of convex block 18 The heat preservation numerical value for adjusting porcelain bar 11 is not interfered with again simultaneously.
Described anti-one end for resetting sliding block 14, which offers, resets inclined surface 20, resets inclined surface 20 and covers 13 bullets with reset drives Property press-fit, it is anti-reset sliding block 14 the other end be extended with locating convex block 21, the second reset bullet is socketed on locating convex block 21 Spring 22 makes the sliding in cavity 12 of anti-reset sliding block 14 by second back-moving spring 22, simple in structure, easy to assembly, by multiple Position inclined surface 20 enables the reset drives of longitudinal movement to cover 13 and drives anti-14 transverse shifting of reset sliding block.
The movable contact spring component 5 includes the upper movable contact spring 501 of mutual elastic jaw and lower movable contact spring 502, lower movable contact spring 502, fixing end and lower connecting terminal 6 be fixed on insulated column 1, the movable end of lower movable contact spring 502 and the one of upper movable contact spring 501 The other end of end connection, upper movable contact spring 501 is equipped with lower moving contact 16, and lower moving contact 16 is electrically connected with lower static contact 402, should Structure is public technology, is conducive to normalized production, improves production efficiency.
Pressure regulation piece 503, the movable end of pressure regulation piece 503 and upper movable contact spring are extended in the fixing end of the lower movable contact spring 502 Elastic spring 504 is equipped between 501 other end, which is public technology, is conducive to normalized production, improves production effect Rate.
The insulation regulating device 7 includes collets 701, and collets 701 are mounted on the movable end of upper movable contact spring 501, Threaded adjusting bore 201 is offered on corresponding first bimetal leaf 2, and screw thread movable up and down is installed in threaded adjusting bore 201 Column 702 makes the bottom of threaded post compress cooperation with the composition of collets 701 by adjusting threaded post 702, and the structure is easy for installation, Assembly is quick, can improve production efficiency, be snapped onto on upper movable contact spring 501 by collets 701, convenient for every electrical isolation and going out By finely tuning the height of lower movable contact spring by hand before factory, deformation parameter is adjusted so that it can reach accurately determining adjustable guarantor The range of temperature.
The collets 701 include insulating body 701a, are extended with and 702 bottom of threaded post at the top of insulating body 701a It is socketed the insulating sleeve 701b of cooperation, avoids threaded post 702 from shifting, temperature controller is caused to damage.
The bottom of first bimetal leaf 2 is provided with insulating film 23, since the second bimetal leaf 8 is mounted on first pair of gold The lower section for belonging to piece 2 after insulating film 23 can avoid 8 high temperature deformation of the second bimetal leaf, is bent upwards and 2 electricity of the first bimetal leaf Contact causes temperature controller anti-dry to fail.
Threaded hole 1001 is offered in the mounting base 10, is adjusted 11 outer wall of porcelain bar and is offered and 1001 screw thread of threaded hole company The external screw thread 1101 connect adjusts porcelain bar 11 and is connected through a screw thread, and can cannot push tune when reset drives covers 13 reset movement There is slight displacement in section porcelain bar 11, and heat preservation numerical value is caused deviation occur, makes adjusting porcelain bar 11 that can only cover 13 rotations in reset drives When, it could drive and adjust 11 rotation displacement of porcelain bar.
The anti-spacing block 15 that resets includes the interconnecting piece 1501 being connect with anti-reset sliding block 14, and the top surface of interconnecting piece is horizontal It is extended with the isolation part 1502 for being dielectrically separated from moving contact 9 and static contact 4, interconnecting piece 1501, isolation part 1502 and anti-reset Sliding block 15 connects for integral type, simple in structure, convenient for production.
It should be noted that the preferred embodiment of the present invention is given in the specification and its attached drawing of the present invention, still, The present invention can be realized by many different forms, however it is not limited to this specification described embodiment, these embodiments Not as the additional limitation to the content of present invention, purpose of providing these embodiments is makes understanding to the disclosure It is more thorough and comprehensive.Also, above-mentioned each technical characteristic continues to be combined with each other, and forms the various embodiments not being enumerated above, It is considered as the range of description of the invention record;It further, for those of ordinary skills, can be according to the above description It is improved or converted, and all these modifications and variations should all belong to the protection domain of appended claims of the present invention.

Claims (10)

1. a kind of anti-reset temperature controller of duplicate protection, including insulated column (1), first pair of gold is separately installed on insulated column (1) Belong to piece (2), upper connecting terminal (3), static contact (4), movable contact spring component (5) and the lower wiring being connect with movable contact spring component (5) Terminal (6), one end of movable contact spring component (5) are electrically connected with static contact (4), the other end of movable contact spring component (5) and first pair Insulation regulating device (7) is installed between the movable end of sheet metal (2), it is characterised in that:Upper connecting terminal (3) electrical connection There are the second bimetal leaf (8), the movable end of the second bimetal leaf (8) that moving contact (9), upper moving contact (9) and stationary contact are installed Piece (4) is electrically connected;
It is equipped with mounting base (10) below movable contact spring component (5), is threaded in mounting base (10) and adjusts porcelain bar (11), adjusts porcelain Bar (11) one end offsets with movable contact spring component (5), and the other end extends into the cavity (12) in mounting base (10);
It is elasticly connected with the reset drives set (13) installed in different directions and anti-reset sliding block (14) in cavity (12), resets and drives Mounting base (10) is extended outside in dynamic set (13) one end, anti-one end for resetting sliding block (14) extend be provided with outside mounting base (10) it is anti- Reset spacing block (15).
2. the anti-reset temperature controller of a kind of duplicate protection according to claim 1, it is characterised in that:The anti-reset spacing block (15) upper moving contact (9) and static contact (4) are dielectrically separated from after the second bimetal leaf (8) high temperature deformation, reset drives set (13) it pushes anti-reset spacing block (15) to leave upper moving contact (9) after the second bimetal leaf (8) recovery to insulate with static contact (4) Between, it realizes and resets.
3. the anti-reset temperature controller of a kind of duplicate protection according to claim 1, it is characterised in that:On the static contact (4) It is separately installed with upper static contact (401) and lower static contact (402), corresponding movable contact spring component (5) is equipped with and lower static contact (402) The lower moving contact (16) of electrical contact, upper static contact (401) are electrically connected with upper moving contact (9).
4. the anti-reset temperature controller of a kind of duplicate protection according to claim 1, it is characterised in that:The adjusting porcelain bar (11) The other end extend into reset drives set (13), offers limit sliding chutes (17), corresponding adjusting in reset drives set (13) Porcelain bar (11) bottom is extended with the convex block (18) with limit sliding chutes (17) cooperation, is equipped in reset drives set (13) and compresses adjusting The (the first back-moving spring (19) of porcelain bar (11) bottom.
5. the anti-reset temperature controller of a kind of duplicate protection according to claim 1, it is characterised in that:The anti-reset sliding block (14) one end, which offers, resets inclined surface (20), resets inclined surface (20) and coordinates with reset drives set (13) Elastic pusher, prevents The other end for resetting sliding block (14) is extended with locating convex block (21), and second back-moving spring (22) is socketed on locating convex block (21), Make the sliding in cavity (12) of anti-reset sliding block (14) by second back-moving spring (22).
6. according to a kind of anti-reset temperature controller of duplicate protection of claim 1 or 3, it is characterised in that:The movable contact spring group Part (5) includes the upper movable contact spring (501) and lower movable contact spring (502) of mutual elastic jaw, and the fixing end of lower movable contact spring (502) is under Connecting terminal (6) is fixed on insulated column (1), and the movable end of lower movable contact spring (502) is connect with one end of upper movable contact spring (501), The other end of upper movable contact spring (501) is equipped with lower moving contact (16), and lower moving contact (16) is electrically connected with lower static contact (402).
7. the anti-reset temperature controller of a kind of duplicate protection according to claim 6, it is characterised in that:The lower movable contact spring (502) be extended with pressure regulation piece (503) in fixing end, the movable end of pressure regulation piece (503) and the other end of upper movable contact spring (501) it Between be equipped with elastic spring (504).
8. the anti-reset temperature controller of a kind of duplicate protection according to claim 1 or 6, it is characterised in that:The insulation is adjusted Device (7) includes collets (701), and collets (701) are mounted on the movable end of upper movable contact spring (501), corresponding first pair Threaded adjusting bore (201) is offered on sheet metal (2), and threaded post movable up and down is installed in threaded adjusting bore (201) (702), the bottom of threaded post is made to compress cooperation with collets (701) composition by adjusting threaded post (702).
9. the anti-reset temperature controller of a kind of duplicate protection according to claim 8, it is characterised in that:The collets (701) Including insulating body (701a), the insulation with the socket cooperation of threaded post (702) bottom is extended at the top of insulating body (701a) Sleeve (701b).
10. the anti-reset temperature controller of a kind of duplicate protection according to claim 1, it is characterised in that:First bimetallic The bottom of piece (2) is provided with insulating film (23).
CN201810126133.1A 2018-02-07 2018-02-07 Dual-protection reset-prevention temperature controller Active CN108321013B (en)

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