CN203826287U - Thermistor three-pole temperature controller - Google Patents

Thermistor three-pole temperature controller Download PDF

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Publication number
CN203826287U
CN203826287U CN201420059548.9U CN201420059548U CN203826287U CN 203826287 U CN203826287 U CN 203826287U CN 201420059548 U CN201420059548 U CN 201420059548U CN 203826287 U CN203826287 U CN 203826287U
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China
Prior art keywords
thermistor
terminal
contact
contact point
pedestal
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Expired - Fee Related
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CN201420059548.9U
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Chinese (zh)
Inventor
余敏虎
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余敏虎
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Priority to CN201420059548.9U priority Critical patent/CN203826287U/en
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Abstract

The utility model relates to the temperature controller technology field and specifically relates to a thermistor three-pole temperature controller having three terminals. The temperature controller comprises a pedestal, a control mechanism, a first terminal, a second terminal and a third terminal, wherein the first terminal is connected with a fixed contact point of the control mechanism, the second terminal is connected with a moving contact point of the control mechanism, an end part of the third terminal is connected with a contact point, and the contact point is arranged corresponding to the moving contact point. After the moving contact point and the fixed contact point in the temperature controller are disconnected, a new passageway can be formed through connection of the moving contact point and the contact point, normal operation of other circuits of an electric appliance can be ensured, usable circuits are enlarged in scope, connection and disconnection of the contact point and the fixed contact point can be controlled through an adjusting screw bolt of the temperature controller, simple operation and strong safety performance are achieved, a ceramic thermistor is adopted as a thermistor of the temperature controller, reliable connection of the thermistor and a guide frame is realized, a base body of the temperature controller is made of ceramic material, and therefore all parts do not age easily and product service life can be prolonged.

Description

Thermistor three utmost point thermostats
Technical field
The utility model relates to thermostat technical field, relates in particular to a kind of thermistor thermostat, relates to particularly a kind of thermistor three utmost point thermostats that are provided with three terminals.
Background technology
At present, some household electrical appliance utensils can be installed the thermostat for cutting off the electricity supply.A kind of thermistor thermostat, is a kind of according to the variations in temperature of operational environment, in the inner generation of switch physical deformation, thereby produces some special effects, produces a series of Automatic Control Components of conducting or disconnection action.Its range of application is very extensive, is applied in household electrical appliances, motor, freezes or heats etc. in numerous products according to different types of thermostat.
This kind of thermistor thermostat is in the time of work, and in the time of electrical equipment utensil excess Temperature or dry combustion method, thermistor thermostat action protection voluntarily, disconnects heater circuit.This thermostat is to connect thermistor heater at spring, after switching on power, household electrical appliance utensil is started working, if while there is overtemperature dry combustion method or exceed the temperature of setting, the bimetal leaf counteragent of thermostat inside, and pushing action bar, the moving contact promoting on shell fragment leaves and fixed contact, now, electric current is all by spring conducting, the thermistor heater of flowing through.Because thermistor heater is high resistance device, thermistor heater heating temp is far longer than household electrical appliance utensil temperature, makes household electrical appliance heat generating components in stopping heated condition.And thermistor heater persistent fever, and heat is passed to bimetal leaf, and make bimetal leaf continue to keep tripping state, disconnect all the time the connection of sound contact.Only have deenergization, just can stop.Thermistor heater cooling is lowered the temperature bimetal leaf simultaneously, recovers shape under normal temperature state, sound contact under the effect of spring leaf elastic force, reinstatement state.
But existing thermistor thermostat generally only has two terminals, the available circuit scope of this thermostat is little, acts on single.Between the fixed contact of this thermostat and moving contact, be the form of single-pole single-throw switch (SPST), after dynamic and static contact disconnects, electrical equipment and power-circuit breaking, the inner all circuit of electrical equipment quit work, and other circuit of electrical equipment inside cannot be realized and continue normal work.
Therefore, need a kind of available circuit scope large, while disconnection in dynamic and static contact, can also ensure the thermistor thermostat of the normal work of other circuit of electrical equipment.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model has been to provide a kind of thermistor three utmost point thermostats, makes the available circuit scope of thermostat large, can also ensure that other circuit of electrical equipment normally work in dynamic and static contact while disconnection.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of thermistor three utmost point thermostats, comprise pedestal, be contained in controlling organization, the first terminal and the second terminal in pedestal, described the first terminal is connected with the fixed contact of controlling organization, described the second terminal is connected with the moving contact of controlling organization, also comprise the 3rd terminal being arranged on pedestal, the end of described the 3rd terminal is connected with contact point, the setting corresponding to moving contact of described contact point.
Wherein, the end of described the 3rd terminal is arranged on pedestal by adjusting bolt, and described adjusting bolt is connected with contact point, and described contact point is positioned at moving contact below.
Wherein, described controlling organization comprises leading truck, thermistor, static contact and spring leaf, and described leading truck middle part is equipped with actuating strut, and actuating strut is arranged between spring leaf and bimetal leaf; Described thermistor is contained in leading truck bottom, and one end of thermistor is connected with static contact, and the other end is connected with spring leaf; Described static contact is connected with the first terminal, and static contact is provided with fixed contact; Described spring leaf is connected with the second terminal, and spring leaf is provided with moving contact, and described moving contact contacts with fixed contact, and described contact point is positioned at moving contact below.
Wherein, described thermistor is ceramic thermal resistance.
Wherein, described the first terminal is contained on pedestal by rivet, and described rivet is connected with static contact.
Wherein, described the second terminal is contained on pedestal by rivet, and described rivet is connected with spring leaf.
Wherein, on described rivet, spring is housed.
Wherein, on described pedestal, aluminium lid is housed.
Wherein, described pedestal, leading truck and actuating strut are made by ceramic material.
(3) beneficial effect
Technique scheme of the present utility model has following beneficial effect: the utility model thermistor three utmost point thermostats, comprise the 3rd terminal, the setting corresponding to moving contact of the contact point of the 3rd terminal, after moving contact and fixed contact disconnection, moving contact and contact point are connected to form new path, by this circuit, can ensure other normal operation circuits of electrical equipment, expand the scope of available circuit; One end of the 3rd terminal of this thermostat is arranged on pedestal by adjusting bolt, and adjusting bolt is connected with contact point, and adjusting bolt can be controlled the closed of contact point and fixed contact or disconnect, and simple to operate, security performance is strong; The thermistor of this thermostat adopts ceramic thermal resistance, effectively realizes between thermistor and leading truck and being reliably connected, and has ensured the reliability of this thermostat, has avoided not conducting of product situation; The matrix adopting ceramic material of this thermostat, is difficult for each parts aging, and life of product is long.
Brief description of the drawings
Fig. 1 is the front view of the utility model embodiment thermistor three utmost point thermostats;
Fig. 2 is the end view of the utility model embodiment thermistor three utmost point thermostats.
Wherein, 1: the first terminal; 2: the second terminals; 3: the three terminals; 4: pedestal; 5: controlling organization; 6: rivet; 7: aluminium lid; 31: contact point; 32: adjusting bolt; 51: moving contact; 52: leading truck; 53: thermistor; 54: static contact; 55: spring leaf; 56: bimetal leaf; 57: fixed contact; 61: spring; 521: actuating strut.
Embodiment
Below in conjunction with drawings and Examples, execution mode of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but can not be used for limiting scope of the present utility model.
In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more; Except as otherwise noted, the implication of " nick shaped " is the shape except cross section is concordant.Term " on ", orientation or the position relationship of the instruction such as D score, " left side ", " right side ", " interior ", " outward ", " front end ", " rear end ", " head ", " afterbody " be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " is connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connects integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
As shown in Figure 1, thermistor three utmost point thermostats described in the present embodiment, comprise pedestal 4, are contained in controlling organization 5, the first terminal 1 and the second terminal 2 in pedestal 4, and aluminium lid 7 is housed on pedestal 4; The first terminal 1 is connected with the fixed contact 57 of controlling organization 5, and the second terminal 2 is connected with the moving contact 51 of controlling organization 5; These thermistor three utmost point thermostats, also comprise that the end that is arranged on the 3rd terminal 3, the three terminals 3 on pedestal 4 is connected with contact point 31, contact point 31 setting corresponding to moving contact 51, and contact point is preferably silver contact.Be specially: the end of the 3rd terminal 3 is arranged on pedestal 4 by adjusting bolt 32, adjusting bolt 32 is connected with contact point 31, contact point 31 is positioned at moving contact 51 belows, after moving contact 51 and fixed contact 57 disconnect, moving contact 51 is in contact with one another with contact point 31, forms new path, by this circuit with the form of single-pole double-throw switch (SPDT), can ensure other normal operation circuits of electrical equipment, expand the scope of available circuit.
As shown in Figure 2, controlling organization 5 comprises leading truck 52, thermistor 53, static contact 54 and spring leaf 55, and leading truck 52 middle parts are equipped with actuating strut 521, and actuating strut 521 is arranged between spring leaf 55 and bimetal leaf 56; Thermistor 53 is contained in leading truck 52 bottoms, thermistor 53 is ceramic thermal resistance, just can realize with thermistor leading truck and being reliably connected without using easy oxidation metal conduction, one end of thermistor 53 is connected with static contact 54, and the other end is connected with spring leaf 55; Static contact 54 is connected with the first terminal 1, and static contact 54 is provided with fixed contact 57; Spring leaf 55 is connected with the second terminal 2, and spring leaf 55 is provided with moving contact 51, and moving contact 51 contacts with fixed contact 57.
The first terminal 1 is contained on pedestal 4 by rivet 6, and rivet 6 is connected with static contact 54; The second terminal 2 is contained on pedestal 4 by rivet 6, and rivet 6 is connected with spring leaf 55.Spring 61 is housed on rivet 6.Aging for each parts are difficult for, life of product is long.Pedestal 4, leading truck 52 and actuating strut 521 are made by ceramic material.
The course of work of the utility model thermistor three utmost point thermostats is:
Switch on power by the first terminal, the second terminal, open appliance mains switch, moving contact and fixed contact in thermostat are in contact with one another, thereby connect whole circuit; The 3rd terminal is in off-state, thermostat is arranged on the heat generating components of electrical equipment, under the heat effects of heat generating components, aluminium lid, bimetal leaf heats up gradually, in the time that temperature reaches bimetal leaf and bears rated temperature, bimetal leaf immediate skip, actuating strut is pushed, make moving contact leave fixed contact, from entering to cut off the electricity supply; Meanwhile, moving contact and contact point are in contact with one another, and connect the 3rd terminal, and other circuit of connecting circuit ensure that other circuit normally work; And thermistor now switches on power, start heating, heat is passed to leading truck and bimetal leaf, keeps bimetal leaf to push the state of actuating strut, makes moving contact leave fixed contact, has ensured system safety; Power supply to be turned off, thermistor stops heating, bimetal leaf reinstatement state, the actuating strut making is return under the elastic force effect of spring leaf, and moving contact is contacted with fixed contact, and the circuit of the 3rd terminal disconnects simultaneously, and system returns original state.
In sum, the utility model thermistor three utmost point thermostats, comprise the 3rd terminal, the setting corresponding to moving contact of the contact point of the 3rd terminal, after moving contact and fixed contact disconnection, moving contact and contact point are connected to form new path, by this circuit, can ensure other normal operation circuits of electrical equipment, expand the scope of available circuit; One end of the 3rd terminal of this thermostat is arranged on pedestal by adjusting bolt, and adjusting bolt is connected with contact point, and adjusting bolt can be controlled the closed of contact point and fixed contact or disconnect, and simple to operate, security performance is strong; The thermistor of this thermostat adopts ceramic thermal resistance, effectively realizes between thermistor and leading truck and being reliably connected, and has ensured the reliability of this thermostat, has avoided not conducting of product situation; The matrix adopting ceramic material of this thermostat, is difficult for each parts aging, and life of product is long.
Embodiment of the present utility model provides for example with for the purpose of describing, and is not exhaustively or by the utility model to be limited to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present utility model and practical application, thereby and makes those of ordinary skill in the art can understand the utility model design to be suitable for the various embodiment with various amendments of special-purpose.

Claims (9)

1. thermistor three utmost point thermostats, comprise pedestal (4), be contained in controlling organization (5), the first terminal (1) and the second terminal (2) in pedestal (4), described the first terminal (1) is connected with the fixed contact (57) of controlling organization (5), described the second terminal (2) is connected with the moving contact (51) of controlling organization (5), it is characterized in that, also comprise the 3rd terminal (3) being arranged on pedestal (4), the end of described the 3rd terminal (3) is connected with contact point (31), described contact point (31) setting corresponding to moving contact (51).
2. thermistor three utmost point thermostats according to claim 1, it is characterized in that, the end of described the 3rd terminal (3) is arranged on pedestal (4) by adjusting bolt (32), described adjusting bolt (32) is connected with contact point (31), and described contact point (31) is positioned at moving contact (51) below.
3. thermistor three utmost point thermostats according to claim 2, it is characterized in that, described controlling organization (5) comprises leading truck (52), thermistor (53), static contact (54) and spring leaf (55), described leading truck (52) middle part is equipped with actuating strut (521), and actuating strut (521) is arranged between spring leaf (55) and bimetal leaf (56); Described thermistor (53) is contained in leading truck (52) bottom, and one end of thermistor (53) is connected with static contact (54), and the other end is connected with spring leaf (55); Described static contact (54) is connected with the first terminal (1), and static contact (54) is provided with fixed contact (57); Described spring leaf (55) is connected with the second terminal (2), and spring leaf (55) is provided with moving contact (51), and described moving contact (51) contacts with fixed contact (57), and described contact point (31) is positioned at moving contact (51) below.
4. thermistor three utmost point thermostats according to claim 3, is characterized in that, described thermistor (53) is ceramic thermal resistance.
5. thermistor three utmost point thermostats according to claim 3, is characterized in that, it is upper that described the first terminal (1) is contained in pedestal (4) by rivet (6), and described rivet (6) is connected with static contact (54).
6. thermistor three utmost point thermostats according to claim 3, is characterized in that, it is upper that described the second terminal (2) is contained in pedestal (4) by rivet (6), and described rivet (6) is connected with spring leaf (55).
7. according to thermistor three utmost point thermostats described in claim 5 or 6, it is characterized in that, spring (61) is housed on described rivet (6).
8. thermistor three utmost point thermostats according to claim 1, is characterized in that, aluminium lid (7) is housed on described pedestal (4).
9. thermistor three utmost point thermostats according to claim 3, is characterized in that, described pedestal (4), leading truck (52) and actuating strut (521) are made by ceramic material.
CN201420059548.9U 2014-02-08 2014-02-08 Thermistor three-pole temperature controller Expired - Fee Related CN203826287U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420059548.9U CN203826287U (en) 2014-02-08 2014-02-08 Thermistor three-pole temperature controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420059548.9U CN203826287U (en) 2014-02-08 2014-02-08 Thermistor three-pole temperature controller

Publications (1)

Publication Number Publication Date
CN203826287U true CN203826287U (en) 2014-09-10

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Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105739487A (en) * 2016-03-31 2016-07-06 青岛海尔股份有限公司 Three-terminal temperature controller detection method and tool of mechanical refrigerator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105739487A (en) * 2016-03-31 2016-07-06 青岛海尔股份有限公司 Three-terminal temperature controller detection method and tool of mechanical refrigerator

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140910

Termination date: 20150208

EXPY Termination of patent right or utility model