CN103915289A - Snap-action temperature controller with high sensitivity - Google Patents
Snap-action temperature controller with high sensitivity Download PDFInfo
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- CN103915289A CN103915289A CN201410127227.2A CN201410127227A CN103915289A CN 103915289 A CN103915289 A CN 103915289A CN 201410127227 A CN201410127227 A CN 201410127227A CN 103915289 A CN103915289 A CN 103915289A
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- temperature controller
- bimetallic thermal
- thermal sensitive
- sensitive piece
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Abstract
The invention provides a snap-action temperature controller with the high sensitivity. The snap-action temperature controller comprises a shell, a rivet, a movable contact spring, a fixed connecting board, a movable contact, a fixed contact, a ceramic rod, a guiding base, a duplex-metal temperature sensing sheet and a sealing cover. The movable contact spring is fixed to an inner cavity of the shell through the rivet; the movable contact is fixed to the movable end of the movable contact spring; the fixed contact is fixed to the inner cavity of the shell and faces the movable contact; a guide base is installed at the top of the shell; the duplex-metal temperature sensing sheet is provided with a center portion, at least three fixing feet are arranged on the periphery of the center portion, and the duplex-metal temperature sensing sheet is fixed to the portion between the guide base and the sealing cover through the fixing feet; the ceramic rod penetrates through a guide hole of the guide base and abuts against the portion between the movable contact spring and the duplex-metal temperature sensing sheet; the guide base and the shell are packaged together through the sealing cover. The snap-action temperature controller with the high sensitivity overcomes the shortages that a traditional snap-action temperature controller with a duplex metal sheet of a circular shape, a butterfly shape and the like is slow in action and long in thermal reaction time are overcome, the reaction speed and the sensitivity of temperature sensing action of the temperature controller are effectively improved, and temperature control of the temperature controller is made to be more accurate, safe and reliable.
Description
Technical field
The present invention relates to thermostat technical field, be specifically related to a kind of highly sensitive Kick type temperature controller.
Background technology
At present, traditional bimetal leaf Kick type temperature controller is encapsulated by the capping of a sealing, main action component is a discoidal bimetallic thermal sensitive piece, the reverse kick of meeting after bimetallic thermal sensitive piece is heated, ceramic bar by thermostat inside promotes movable contact spring, thereby realizes moving contact and the break-make of determining contact.Ceramic bar is that cover is through and in the pilot hole of guide holder, does axially movablely, and guide holder is except pilot hole conventionally, and remainder is solid.
Because thermostat is by temperature sensing part control, temperature sensing part absorbs certain heat transfer time of caloric requirement, thereby this traditional bimetal leaf Kick type temperature controller exists shortcomings such as temperature-sensitive responsiveness is slow, poor sensitivity, can not within the very first time of overtemperature, cut off circuit in time, but need to wait for the longer heat absorption time, allow the heat of temperature-sensitive action component reach after the critical temperature of setting, thermostat could kick action.The temperature that causes thus equipment heating parts ambient temperature around will control higher than thermostat, particularly some powerful firing equipments, the temperature-sensitive speed of thermostat obviously lags behind controlled member, thereby accelerate the aging of equipment component, directly reduce the useful life of equipment, when serious, even can cause the generation of fire incident, reduce the functional reliability of thermostat.
Being not difficult to find out, also there is certain defect in prior art.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of highly sensitive Kick type temperature controller, improve sensitivity and the fail safe of thermostat, overcome Kick type temperature controller temperature-sensitive slow motion, the long shortcoming of thermal response time of traditional circle, dish, the shape bimetal leaf such as square.
For achieving the above object, the present invention is by the following technical solutions:
A kind of highly sensitive Kick type temperature controller, comprising: shell, rivet, movable contact spring, determine fishplate bar, moving contact, determine contact, ceramic bar, guide holder, bimetallic thermal sensitive piece and capping; Movable contact spring has a stiff end and a movable end, and the stiff end of movable contact spring is fixed on the inner chamber of shell by rivet; Moving contact is fixed on the movable end of movable contact spring; Determine contact and be fixed on the inner chamber of shell by determining fishplate bar and rivet, and determine contact be right against moving contact arrange; Guide holder center is provided with pilot hole, and guide holder is installed on cover top portion; Bimetallic thermal sensitive piece is positioned on guide holder, and bimetallic thermal sensitive piece has a central part, and the periphery of central part has and is no less than three fixing feet, and bimetallic thermal sensitive piece is fixed between guide holder and capping by fixing feet; Ceramic bar is against movable contact spring and bimetallic thermal sensitive piece through the pilot hole of guide holder; Capping is covered on guide holder top, forms the activity space of bimetallic thermal sensitive piece between capping and guide holder, and capping is packaged together guide holder and shell.
Further, the central part of described bimetallic thermal sensitive piece is rounded, and circular diameter is 7～9mm.
Further, the central part of described bimetallic thermal sensitive piece is rectangular, and the long limit of rectangle is 7～10mm, and the minor face of rectangle is 5～8mm.
Further, the width of the fixing feet of described bimetallic thermal sensitive piece is 1.5～3mm.
Further, the material thickness of described bimetallic thermal sensitive piece is 0.11～0.15mm.
Further, the outer surface of described bimetallic thermal sensitive piece scribbles the oil resistant lacquer coat of black.
Further, described oil resistant lacquer coat thickness is 15～25 μ m.
Further, described capping central authorities are provided with a circular through hole, and the diameter of through hole is less than 12mm, and the thickness of cover closing material is 0.2～0.3mm.
Further, described guide holder is provided with hollow hole, and hollow hole is uniform in a circumferential direction around pilot hole.
Further, the highly sensitive Kick type temperature controller of the present invention also comprises travel(l)ing rest, and travel(l)ing rest is provided with fixing hole, and travel(l)ing rest is sheathed on housing exterior.
A kind of highly sensitive Kick type temperature controller of the present invention, according to thermodynamic analysis and design of Simulation, the bimetallic thermal sensitive piece structure making new advances by the design of optimum analog result: adopted central part periphery to add the structure of fixing feet, the thermal response time can reduce more than 80% than traditional structure thermostat, sensitivity and the fail safe of thermostat are greatly improved, make small household appliances, the office equipment such as printer, photocopier are because reducing more energy efficient heating time simultaneously; Secondly by being applied to the black high temp resistance painting layer on bimetal leaf surface, improved the thermal radiation heat absorption efficiency of bimetallic thermal sensitive piece, made it reach fast the thermal equilibrium temperature of kick action; Simultaneously capping adopts via design, the iris action when reducing outside heat and being passed to bimetal leaf; Guide holder adopts hollow out design, has accelerated the convection current of air, has improved heat conduction efficiency.Finally make the design of whole temperature controller structure reach the high-sensitive effect of quick temperature-sensitive, effectively overcome Kick type temperature controller temperature-sensitive slow motion, the long shortcoming of thermal response time of traditional circle, dish, the shape bimetal leaf such as square.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The overall structure schematic diagram of a kind of highly sensitive Kick type temperature controller that Fig. 1 provides for the embodiment of the present invention.
The structural representation of rounded bimetallic thermal sensitive piece centered by Fig. 2.
The structural representation of rectangular bimetallic thermal sensitive piece centered by Fig. 3.
Fig. 4 is the overall structure schematic diagram of the embodiment of the present invention two.
Fig. 5 is the overall structure schematic diagram of the embodiment of the present invention three.
Description of reference numerals:
1, capping 2, bimetallic thermal sensitive piece
3, guide holder 4, ceramic bar
5, rivet 6, determine contact
7, moving contact 8, movable contact spring
9, shell 10, terminal
11, fixing feet 12, hollow hole
13, central part 14, determine fishplate bar
15, travel(l)ing rest 16, Mounting Earrings
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention and accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.It should be noted that, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment mono-
Refer to Fig. 1, Fig. 2 and Fig. 3, a kind of highly sensitive Kick type temperature controller, comprising: shell 9, rivet 5, movable contact spring 8, moving contact 7, determine fishplate bar 14, determine contact 6, ceramic bar 4, guide holder 3, bimetallic thermal sensitive piece 2 and capping 1; Movable contact spring 8 has a stiff end and a movable end, and the stiff end of movable contact spring 8 is fixed on the inner chamber of shell 9 by rivet 5; Moving contact 7 is fixed on the movable end of movable contact spring 8; Determine contact 6 by determining fishplate bar 14 and rivet 5 is fixed on the inner chamber of shell 9, and determine contact 6 and be right against moving contact 7 and arrange; Guide holder 3 centers are provided with pilot hole, and guide holder 3 is installed on shell 9 tops; Bimetallic thermal sensitive piece 2 is positioned on guide holder 3, and bimetallic thermal sensitive piece 2 has a central part 13, and the periphery of central part 13 has and is no less than three fixing feet 11, and bimetallic thermal sensitive piece 2 is fixed between capping 1 and guide holder 3 by fixing feet 11; Ceramic bar 4 is against movable contact spring 8 and bimetallic thermal sensitive piece 2 through the pilot hole of guide holder 3; Capping 1 is covered on guide holder 3 tops, forms the activity space of bimetallic thermal sensitive piece 2 between capping 1 and guide holder 3, and capping 1 is packaged together guide holder 3 and shell 9.
Bimetallic thermal sensitive piece 2 is action components main in thermostat, the heat intensification absorbing around when bimetallic thermal sensitive piece 2 exceedes critical temperature, can there is kick distortion in bimetallic thermal sensitive piece 2, thereby promoting ceramic bar 4 presses movable contact spring 8 and makes to determine contact 6 and separate with moving contact 7, the effect of the open circuit that reaches a high temperature.Bimetallic thermal sensitive piece 2 of the prior art is circular, and its area is larger, reaches the required heat absorbing from the external world of critical temperature more, thereby the heat absorption time that need to be longer.And between bimetallic thermal sensitive piece 2 of the prior art and guide holder 3, contact by whole periphery, this contact is face contact.Because contact area is larger, absorb in the process of ambient heat at bimetallic thermal sensitive piece 2, have considerable heat and be delivered on guide holder 3 via bimetallic thermal sensitive piece 2 and the contact-making surface of guide holder 3, cause bimetallic thermal sensitive piece 2 to absorb the loss of heat.Above-mentioned two defects cause the rate of rise in temperature of bimetallic thermal sensitive piece 2 slack-off, need to wait for that the longer heat absorption time just can reach the critical temperature of kick distortion.Causing thus bimetallic thermal sensitive piece 2 to move seriously lags behind with respect to environment temperature.
Refer to Fig. 2 and Fig. 3, in the present invention, the structure of bimetallic thermal sensitive piece 2 comprises central part 13 and the fixing feet 11 that is arranged at central part 13 peripheries.Bimetallic thermal sensitive piece 2 contacts with guide holder 3 by fixing feet 11, thus the entire area of bimetallic thermal sensitive piece 2 is reduced greatly, and the way of contact between itself and guide holder 3 is changed into and being contacted.Because bimetallic thermal sensitive piece 2 material area are significantly less than the material area of bimetallic thermal sensitive piece 2 in traditional thermostat, thereby be elevated to critical temperature required from surrounding environment absorb also corresponding reducing of heat, can, to the sensitiveer action of promptly making a response of environment temperature, effectively improve sensitivity and the functional reliability of thermostat.Meanwhile, the contact area between bimetallic thermal sensitive piece 2 and guide holder 3 significantly reduces, and has reduced the heat conduction between bimetallic thermal sensitive piece 2 and guide holder 3, thereby has reduced the thermal loss of bimetallic thermal sensitive piece 2 in endothermic process.In addition, bimetallic thermal sensitive piece 2 has adopted the innovation structure design with fixing feet 11, can also greatly reduce bimetallic thermal sensitive piece 2 required kick power in the time of counteragent, thereby reduce thermostat (heat energy changes into the process of kinetic energy) required heat in the time that kick is moved, accelerated the sensitivity of thermostat temperature-sensitive action.And bimetallic thermal sensitive piece 2 of the present invention can effectively be saved material, reduces production costs.
As preferably, the central part 13 of described bimetallic thermal sensitive piece 2 is rounded, and circular diameter is 7～9mm.Circular central part 13 is heated more even, the easier balance of kick active force.As alternative, the central part 13 of described bimetallic thermal sensitive piece 2 is rectangular, and the long limit of rectangle is 7～10mm, and the minor face of rectangle is 5～8mm.
From reducing the kick power of bimetallic thermal sensitive piece 2 and the angle of minimizing material area, the quantity of fixing feet 11 should be the least possible.According to 3 geometrical principles that determine a plane, the quantity of fixing feet 11 should be no less than three.For the central part 13 of above-mentioned rectangle, for the ease of balance, the quantity of the fixing feet 11 of described bimetallic thermal sensitive piece 2 can be made as four.As preferably, the width of the fixing feet 11 of described bimetallic thermal sensitive piece 2 is 1.5～3mm.
As preferably, the material thickness of described bimetallic thermal sensitive piece 2 is 0.11～0.15mm.Find after deliberation, the material of bimetallic thermal sensitive piece 2 is thicker, be only suitable for producing " the reply temperature difference " less product, the common reply temperature difference is about 10～20 DEG C of left and right, (replying the temperature difference is the difference between operating temperature and the reset temperature of thermostat), therefore, be not less than 100 DEG C as produced operating temperature, reset temperature is not higher than-35 DEG C, reply the temperature difference and be more than or equal to the large reply temperature difference product of 135 DEG C, the preferably thickness specification of 0.11～0.15mm of bimetallic thermal sensitive piece 2 materials now.Through test, the test data of the bimetallic material of different-thickness is in table 1:
Table 1
For the ease of installing and using of thermostat product, as preferably, thermostat also comprises two terminals 10 of the connection function that electrifies.Two terminals 10 respectively with determine contact 6 and movable contact spring 8 is electrically connected.The fixing hole arranging on terminal 10 also can be installed fixing by thermostat by modes such as screws.
As improvement, the outer surface of described bimetallic thermal sensitive piece 2 scribbles the oil resistant lacquer coat of black.On the one hand, the oil resistant lacquer coat of described black has good endothermic character, and radiant heat can be accelerated bimetal leaf and reach heat balance, thereby improves the sensitivity of thermostat temperature-sensitive action.On the other hand, oil resistant lacquer coat has: sticky booty, high temperature resistant (the highest high temperature that can resistance to 500 DEG C of short time), the advantage such as anticorrosive, wear-resistant; Can effectively extend the useful life of thermostat.Preferably 15～25 μ m of the oil resistant lacquer coat thickness of described black.
About the selection of coating layer thickness, be preferably in below 25 μ m, if the thickness of coating surmounts this value, hard firmly coating can hinder the reverse kick action of bimetallic thermal sensitive piece 2 on the one hand, directly reduce the sensitivity of temperature-sensitive action, serious, also can be because bimetallic thermal sensitive piece 2 be in the process of repeated deformation action, cause coating cracking, the risk even coming off; On the other hand, the thicker cost that had both increased coating processing of coating, has wasted again material.The great many of experiments carrying out according to inventor and studies have shown that, the serviceability of comprehensive product and economy consider, coating layer thickness is the most suitable in the scope of 15～25 μ m.
As improvement, described capping 1 central authorities are provided with a circular through hole.The through hole of offering in capping 1, make the central part 13 of bimetallic thermal sensitive piece 2 outwards protrude from capping 1 by the through hole of capping 1, thereby make the bimetallic thermal sensitive piece 2 can direct contact heat source, the obstruct that is subject to capping 1 while effectively having avoided thermostat ambient heat to be passed to bimetallic thermal sensitive piece 2.In addition, through hole is set in capping 1 is conducive to allow thermostat inside form thermal convection, the heat of thermostat inside is passed on bimetallic thermal sensitive piece 2, accelerates bimetallic thermal sensitive piece 2 intensification kicks, thereby further improve the sensitivity of bimetallic thermal sensitive piece 2 kick actions.As preferably, the through-hole diameter of described capping 1 is less than 12mm.
In the time that thermostat adopts contact temperature-sensitive, should make its capping 1 be close to the heating position of controlled utensil, for making thermostat can absorb more quickly heat as much as possible, the high material of capping 1 preferred conductive coefficient now, and as preferably adopting aluminium to make.In the time that the mounting means of thermostat is air temperature-sensitive (fixed position of thermostat is poor more than 0.5mm apart from the flying height between heat generating components), for making thermostat reduce as much as possible external dispersed heat, the low material of capping 1 preferred conductive coefficient now, preferably adopts stainless steel material to make.But made preferably 0.2～0.3mm of its material thickness by aluminum or stainless steel regardless of capping 1.For the selection of cover closing material thickness, ensureing that under the mechanical strength of capping and the prerequisite of machinability, material thickness is thinner, bimetallic thermal sensitive piece will be shorter to the distance of thermal source, thus the sensitivity that is more conducive to improve thermostat.
As improvement, described guide holder 3 is provided with hollow hole 12.There is the guide holder 3 of hollow hole 12, greatly reduced the endotherm area of guide holder 3 inside, heat is concentrated on bimetallic thermal sensitive piece 2 more, thereby allow thermostat make more rapidly and sensitively kick action.In addition, the guide holder 3 that is provided with hollow hole 12 is conducive to the inner formation of thermostat thermal convection, the hole that makes heat pass guide holder 3 is directly passed on bimetallic thermal sensitive piece 2, make bimetallic thermal sensitive piece 2 reach sooner the critical temperature of kick action, improve the sensitivity of thermostat temperature-sensitive action, allow the quick kick of thermostat move, in time, promptly cut off working power.In order to make still to keep enough intensity after guide holder 3 hollow outs, more balance of the suffered stress of material internal, simultaneously also for the heat of thermal convection can evenly be passed to bimetallic thermal sensitive piece 2, as preferably, described hollow hole 12 is uniform in a circumferential direction around pilot hole.Described guide holder 3 is ceramic or plastic products.
Following table provides traditional Kick type temperature controller and high sensitivity Kick type temperature controller of the present invention to carry out thermal response time test comparison data:
In table 2, thermostat adopts contact temperature-sensitive, the operating temperature of two groups of thermostat samples is 150 DEG C, the detected temperatures that constant temperature heating plate is set is 200 DEG C, start timing with the fixed position that timer record thermostat is put into constant temperature heating plate from room temperature, absorb heat time of kick (open circuit) to bimetallic thermal sensitive piece 2.
Table 2
In table 3, thermostat adopts air temperature-sensitive, the operating temperature of two groups of thermostat samples is 150 DEG C, the detected temperatures that constant temperature heating plate is set is 300 DEG C, the fixed position of thermostat is 0.5mm apart from the flying height between constant temperature heating plate, start timing with the fixed position that timer record thermostat is put into constant temperature heating plate from room temperature, absorb heat time of kick (open circuit) to bimetallic thermal sensitive piece 2.
Table 3
In table 4, for embodying better the difference of neoteric bimetallic thermal sensitive piece 2 and traditional " circle " bimetallic thermal sensitive piece, adopt control methods intuitively to compare, the operating temperature of two groups of bimetallic thermal sensitive piece 2 samples is 150 DEG C, the detected temperatures that constant temperature heating plate is set is 220 DEG C, bimetallic thermal sensitive piece 2 is directly put into and on constant temperature heating plate, carried out tactility temperature, start timing with the fixed position that timer record bimetallic thermal sensitive piece 2 is put into constant temperature heating plate from room temperature, the time of kicks action occurs to 2 heat absorptions of bimetallic thermal sensitive piece.
Table 4
Embodiment bis-
Refer to Fig. 4, unique difference of the present embodiment and embodiment mono-is: as improvement, the high sensitivity Kick type temperature controller in the present embodiment is equipped with travel(l)ing rest 15.Travel(l)ing rest 15 is provided with fixing hole, and travel(l)ing rest 15 is sheathed on shell 9 outsides.
The travel(l)ing rest 15 that is provided with fixing hole can be used for thermostat to install fixing.Travel(l)ing rest 15 can move up and down along shell 9 outsides, can freely rotate at outside 360 degree of shell 9 simultaneously.And in the time that travel(l)ing rest 15 moves to capping 1 outside, capping 1 has snap action to travel(l)ing rest 15, make travel(l)ing rest 15 clampings fixing.Greatly strengthen thus the convenience that thermostat is installed.
Embodiment tri-
Refer to Fig. 5, unique difference of the present embodiment and embodiment mono-is: as improvement, the capping 1 of the high sensitivity Kick type temperature controller in the present embodiment is equipped with Mounting Earrings 16, and Mounting Earrings 16 is one-body molded with capping 1, and is provided with fixing hole in Mounting Earrings 16.
The Mounting Earrings 16 that is provided with fixing hole can be used for thermostat to install fixing.Have movable function although be located at Mounting Earrings in capping 1 16 not as the travel(l)ing rest 15 in embodiment bis-, it is in aggregates that Mounting Earrings 16 and capping 1 connect, and is by the moulding of mould one-off drawing, easy to process, saves processing cost; Meanwhile, in the process of producing at thermostat, can put less a part, thereby improve the efficiency of assembling of thermostat.
The operation principle of the highly sensitive Kick type temperature controller of the present invention and function, identical with Kick type temperature controller of the prior art, do not repeat them here.
The highly sensitive Kick type temperature controller of one provided by the present invention, on the basis of the Kick type temperature controller of prior art, improve the structure of multiple parts, reached and save material cost, improve thermostat action sensitivity, improve the effect of product work reliability.Its bimetallic thermal sensitive piece 2 adopts the design of fixing feet 11, has reduced material area, makes to absorb variations in temperature after heat more rapid, thereby improves the sensitivity of bimetallic thermal sensitive piece 2 kicks actions.Meanwhile, contacting between bimetallic thermal sensitive piece 2 and guide holder 3 changes a contact into, greatly reduces contact area, thereby reduced the thermal loss of bimetallic thermal sensitive piece 2.Further, scribble the oil resistant lacquer coat of black on bimetallic thermal sensitive piece 2 surfaces, increase the heat absorption capacity of bimetallic thermal sensitive piece 2, protect bimetallic thermal sensitive piece 2 simultaneously, extend the working life of bimetallic thermal sensitive piece 2.There is the capping 1 of through-hole structure, make bimetallic thermal sensitive piece 2 direct contact heat sources, effectively reduce thermostat ambient heat and be passed to the iris action of bimetallic thermal sensitive piece 2.The guide holder 3 of hollow out has not only reduced the endotherm area of guide holder 3 inside, also helps the inner generation of thermostat thermal convection simultaneously, makes heat pass hollow hole 12 and is passed to bimetallic thermal sensitive piece 2.Accelerate bimetallic thermal sensitive piece 2 intensification kicks, the sensitivity that has further improved thermostat, allow thermostat can be within the shortest time temperature-sensitive kick, in time, promptly cut off working power, make it temperature control more precisely, work is more reliable.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a highly sensitive Kick type temperature controller, is characterized in that, comprising: shell, rivet, movable contact spring, determine fishplate bar, moving contact, determine contact, ceramic bar, guide holder, bimetallic thermal sensitive piece and capping; Movable contact spring has a stiff end and a movable end, and the stiff end of movable contact spring is fixed on the inner chamber of shell by rivet; Moving contact is fixed on the movable end of movable contact spring; Determine contact and be fixed on the inner chamber of shell by determining fishplate bar and rivet, and determine contact be right against moving contact arrange; Guide holder center is provided with pilot hole, and guide holder is installed on cover top portion; Bimetallic thermal sensitive piece is positioned on guide holder, and bimetallic thermal sensitive piece has a central part, and the periphery of central part has and is no less than three fixing feet, and bimetallic thermal sensitive piece is fixed between guide holder and capping by fixing feet; Ceramic bar is against movable contact spring and bimetallic thermal sensitive piece through the pilot hole of guide holder; Capping is covered on guide holder top, forms the activity space of bimetallic thermal sensitive piece between capping and guide holder, and capping is packaged together guide holder and shell.
2. highly sensitive Kick type temperature controller according to claim 1, is characterized in that: the central part of described bimetallic thermal sensitive piece is rounded, and circular diameter is 7～9mm.
3. highly sensitive Kick type temperature controller according to claim 1, is characterized in that: the central part of described bimetallic thermal sensitive piece is rectangular, the long limit of rectangle is 7～10mm, and the minor face of rectangle is 5～8mm.
4. according to the highly sensitive Kick type temperature controller described in claim 2 or 3, it is characterized in that: the width of the fixing feet of described bimetallic thermal sensitive piece is 1.5～3mm.
5. according to the highly sensitive Kick type temperature controller described in claim 2 or 3, it is characterized in that: the material thickness of described bimetallic thermal sensitive piece is 0.11～0.15mm.
6. highly sensitive Kick type temperature controller according to claim 1, is characterized in that: the outer surface of described bimetallic thermal sensitive piece scribbles the oil resistant lacquer coat of black.
7. highly sensitive Kick type temperature controller according to claim 6, is characterized in that: described oil resistant lacquer coat thickness is 15～25 μ m.
8. highly sensitive Kick type temperature controller according to claim 1, is characterized in that: described capping central authorities are provided with a circular through hole, and the diameter of through hole is less than 12mm, and the thickness of cover closing material is 0.2～0.3mm.
9. highly sensitive Kick type temperature controller according to claim 1, is characterized in that: described guide holder is provided with hollow hole, hollow hole is uniform in a circumferential direction around pilot hole.
10. highly sensitive Kick type temperature controller according to claim 1, is characterized in that: also comprise travel(l)ing rest, travel(l)ing rest is provided with fixing hole, and travel(l)ing rest is sheathed on housing exterior.
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| CN201410127227.2A CN103915289B (en) | 2014-03-31 | 2014-03-31 | A kind of highly sensitive Kick type temperature controller |
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| CN103915289B CN103915289B (en) | 2015-12-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111694061A (en) * | 2020-05-13 | 2020-09-22 | 东华理工大学 | Multi-dipole-source emission device applied to electromagnetic exploration |
| CN113118229A (en) * | 2021-04-16 | 2021-07-16 | 广东言铝铝业有限公司 | Aluminum bar extruder |
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| CN203839284U (en) * | 2014-03-31 | 2014-09-17 | 佛山市天朋温控器有限公司 | Highly sensitive snap-action thermostat |
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| US4754252A (en) * | 1987-06-02 | 1988-06-28 | Elmwood Sensors, Inc. | Thermostatic switch with improved cap disc assembly |
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| CN202871695U (en) * | 2012-09-25 | 2013-04-10 | 常熟新都安电器有限公司 | Thermostat upper cover structure |
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| CN111694061A (en) * | 2020-05-13 | 2020-09-22 | 东华理工大学 | Multi-dipole-source emission device applied to electromagnetic exploration |
| CN111694061B (en) * | 2020-05-13 | 2023-06-02 | 东华理工大学 | Multi-dipole source transmitting device applied to electromagnetic exploration |
| CN113118229A (en) * | 2021-04-16 | 2021-07-16 | 广东言铝铝业有限公司 | Aluminum bar extruder |
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| CN103915289B (en) | 2015-12-30 |
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