CN104269324B - It can control the power-off restoration temperature detect switch (TDS) of two kinds of load circuits - Google Patents

It can control the power-off restoration temperature detect switch (TDS) of two kinds of load circuits Download PDF

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Publication number
CN104269324B
CN104269324B CN201410398300.XA CN201410398300A CN104269324B CN 104269324 B CN104269324 B CN 104269324B CN 201410398300 A CN201410398300 A CN 201410398300A CN 104269324 B CN104269324 B CN 104269324B
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contact
leading truck
ceramic
metal shell
power
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CN201410398300.XA
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CN104269324A (en
Inventor
骆伟法
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Foshan Ren Xing Electric Co., Ltd.
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骆伟法
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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00Thermally-actuated switches
    • H01H37/02Details
    • HELECTRICITY
    • H01BASIC ELECTRIC 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
    • HELECTRICITY
    • H01BASIC ELECTRIC 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
    • H01H37/54Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
    • H01H37/5409Bistable switches; Resetting means

Abstract

A kind of power-off restoration temperature detect switch (TDS) that can control two kinds of load circuits, the temperature detect switch (TDS) has metal shell, two binding posts are fixed with metal shell bottom, ceramic leading truck heater and bimetal leaf and the ceramic push rod contacted with bimetal leaf are provided between metal end and metal shell, movable contact is provided with the spring plate of ceramic ejector pin contact, spring plate and ceramic leading truck heater contact electrode, the static contact with stationary contact, static contact and ceramic leading truck heater contact electrode are provided with metal shell.When load temperature reaches setting value, bimetal leaf is heated kick, movable contact is set to be separated and disconnecting circuit with stationary contact, ceramic leading truck heater heating power and bimetal leaf and temperature switch circuit is maintained off-state, power supply, which is disconnected, just can reset bimetal leaf and turn on temperature switch circuit, and disconnect ceramic leading truck heater circuit.The present invention can control two kinds of load circuits simultaneously, and have power-off protection and power-off restoration function concurrently.

Description

It can control the power-off restoration temperature detect switch (TDS) of two kinds of load circuits
【Technical field】
The present invention relates to the temperature control equipment of electric equipment products, and two kinds of load electricity can be controlled simultaneously more particularly to one kind Road, and have the power-off restoration temperature detect switch (TDS) that can control two kinds of load circuits of power-off protection and power-off restoration function concurrently.
【Background technology】
At present, various electric equipments are widely used in the life of people, are offered convenience for people's life.Electric equipment, The safety in utilization of particularly heating equipment is product design and the production major issue to be considered.Due to the member of electrical equipment When device or electronic circuit produce failure, equipment heating and temperature can be caused to rise, when temperature exceedes normal value, can cause to set Standby failure, so as to influence the normal use of equipment.Therefore, in general electrical equipment or electronic equipment are equipped with temperature switch or temperature control Device, to cause the deenergization when device temperature exceedes normal value, protection equipment safety.However, existing tool formula kick temperature control Device only has a basic power-off protection function, and can only carry out temperature control to single load circuit, thus make its use by Limitation.On the other hand, many this kind of temperature controllers are automatically reset according to temperature height so that some equipment are not eliminating failure Automatically reset in the case of hidden danger, thus the possibility and potential safety hazard of failure again be present.
【The content of the invention】
Present invention seek to address that above mentioned problem, and provide it is a kind of can control two kinds of different load circuits simultaneously, and have concurrently Power-off protection and power-off restoration function, the power-off restoration temperature that can control two kinds of load circuits simple in construction, safe and reliable Control switch.
To achieve the above object, the present invention provides a kind of power-off restoration temperature detect switch (TDS) that can control two kinds of load circuits, its It is characterised by, the temperature detect switch (TDS) has the metal shell of open at one end, is fixed with metal shell bottom negative for connecting two kinds Two binding posts of circuit are carried, metal end are provided with the opening end of metal shell, between metal end and metal shell Provided with ceramic leading truck heater, bimetal leaf is provided with through the ceramic mandrel ends of ceramic leading truck heater in activity, is made pottery The other end on porcelain bar top is in contact with spring plate, and one end of spring plate is provided with movable contact, and the other end and the ceramics of spring plate are oriented to The contact electrode of frame heater, is additionally provided with static contact in metal shell, relative with the movable contact of spring plate on the static contact The position answered is provided with stationary contact, and one end of the remote stationary contact of the static contact connects with the electrode of ceramic leading truck heater Touch, and
When load temperature reaches setting value, the bimetal leaf is heated kick, promotes ceramic push rod to move, and makes described dynamic Contact separates with stationary contact and disconnects temperature switch circuit, temperature switch circuit disconnect after, the ceramic leading truck heater because Heating is connected with spring plate and static contact and bimetal leaf is maintained off-state, and is in temperature switch circuit and disconnects shape State, after only power supply is disconnected, ceramic leading truck heater stops heating, and when temperature drops to normal value, bimetal leaf resets, So that movable contact closes with stationary contact and turns on temperature switch circuit, and disconnect ceramic leading truck heater circuit.
Metal shell is hollow column, and its opening end end is provided with outwardly convex edge, and metal shell bottom is provided with Two grooves for being used to install binding post being symmetric.
Two binding posts of two kinds of load circuits can be connected by being fixed with metal shell bottom, and two binding posts are symmetrical It is arranged in two grooves of metal shell bottom, one end and the metal shell riveting of two binding posts are fixed, and the other end prolongs Extend outside metal shell.
Ceramic leading truck heater includes ceramic leading truck, heating film on ceramic leading truck and is connected with heating film Electrode, the ceramic leading truck is circular plate-like shape body, and its side relative with metal end, which is provided with, houses the bimetal leaf Concave surface, the edge of ceramic leading truck is provided with the ring-type L-shaped step with metal shell pairing.
The shell fragment main body of spring plate including U-shaped with extend the contact bullet that is formed from the bending part of shell fragment main body to opposite side Piece, one end and the metal shell riveting of shell fragment main body are fixed, and its free end is provided with movable contact, free end and the ceramics of contact flat spring The contact electrode of leading truck heater.
One end of static contact is provided with stationary contact, and its other end forms bending, the end of the bending one end and ceramic leading truck The contact electrode of heater.
The contribution of the present invention is that it, which efficiently solves existing temperature controller, can only control single load, and function is single, uses The problems such as efficiency is low.The temperature detect switch (TDS) of the present invention can control two kinds of different load circuits simultaneously, therefore can effectively improve temperature control The service efficiency of switch, save production cost.The present invention also has in addition to the basic power-off protection function with temperature detect switch (TDS) There is power-off restoration function, therefore be advantageous to eliminate potential faults in time, and substantially increase the security that electric equipment uses.This Invention also has the features such as simple in construction, small volume, reliable operation.
【Brief description of the drawings】
Fig. 1 is the structural representation of the present invention.
Fig. 2 is Fig. 1 A to structure sectional view.
Fig. 3 is Fig. 1 B to structure sectional view.
Fig. 4 is the ceramic guide body structure schematic diagram of the present invention.
Fig. 5 is the spring plate structural representation of the present invention.
Fig. 6 is the static contact structural representation of the present invention.
【Embodiment】
The following example is further explanation of the present invention, and the present invention is not limited in any way.
Refering to Fig. 1~Fig. 3, the power-off restoration temperature detect switch (TDS) that can control two kinds of load circuits of the invention includes metal shell 10th, multiple binding posts 20, metal end 30, ceramic leading truck heater 40, bimetal leaf 50, spring plate 60 and static contact 70。
As shown in FIG. 1 to 3, the metal shell 10 is copper hollow column, and its one end is open, the opening end end Portion is provided with outwardly convex edge 11, for connecting ceramic leading truck heater 40.Two use are provided with the bottom of metal shell 10 In the groove 12 of installing binding post, two grooves 12 are symmetrically distributed on the center line of the bottom of metal shell 10.
As shown in figure 1, being fixed with two binding posts 20 in the bottom of metal shell 10, they can connect two kinds of differences respectively Load circuit.Two binding posts 20 are arranged in two grooves 12 of metal shell bottom, and two binding posts 20 pass through Rivet is fixed with metal shell riveting.One end of the binding post 20 is fixed with the riveting of metal shell 10, and the other end extends to gold Belong to outside shell.Two kinds of different load circuits can be connected with two binding posts 20 respectively by conventional method.As Fig. 2, Fig. 3, the metal end 30 of aluminum is provided with the opening end of metal shell 10, the metal end 30 is attached by screws to metal shell On 10.
In Fig. 2, Fig. 3, ceramic leading truck heater 40 is provided between metal end 30 and metal shell 10, it is used for temperature Control switch is switched on and generated heat when overtemperature disconnects, and bimetal leaf 50 and temperature switch circuit is maintained off-state.As Fig. 2~ Shown in Fig. 4, the ceramic leading truck heater 40 includes ceramic leading truck 41, heating film 42 on ceramic leading truck and with hair The electrode 43 of hotting mask connection.The ceramic leading truck 41 is the circular plate-like shape corresponding with the opening end shape of metal shell 10 Body, the ceramic leading truck side relative with metal end 30 are provided with the concave surface 411 for housing the bimetal leaf, ceramic leading truck 41 Edge be provided with ring-type L-shaped step 412 with metal shell pairing, it is spacious by the ring-type L-shaped step 412 and metal shell The pairing connection of mouth end.Heating film 42 is provided with the lower surface of ceramic leading truck 41, two fan-shaped electricity are provided with heating film 42 Pole 43.The centre bore 413 for wearing ceramic push rod 44 is provided with the ceramic center of leading truck 41.In the centre bore of ceramic leading truck Ceramic push rod 44 is actively equipped with 413, one end of the ceramic push rod 44 contacts with the bimetal leaf 50, and the other end is with moving Shell fragment 60 is in contact.
As shown in Figure 2 and Figure 3, bimetal leaf 50, this pair are provided between metal end 30 and ceramic leading truck heater 40 Sheet metal 50 is in contact in the concave surface 411 of ceramic leading truck with the ceramic push rod 44, and it is used to surpass in load temperature Temperature distortion when crossing setting value and promote ceramic push rod 44 to opposite side move.
In Fig. 2, Fig. 3, the other end of the ceramic push rod 44 is in contact with spring plate 60, the structure of spring plate 60 such as Fig. 5 Shown, it includes the shell fragment main body 61 of U-shaped and contact flat spring 62, wherein, one end of shell fragment main body 61 is connection end, and the other end is Free end.Such as Fig. 2, the connection end rivet 64 of shell fragment main body 61 is fixed by caulking to the bottom of metal shell 10, shell fragment main body 61 Free end is provided with movable contact 63.Contact flat spring 62 is formed to opposite side bifurcated and extension in the bending part of shell fragment main body 61, is contacted The free end end of shell fragment 62 forms U-shaped bending, to increase the contact area with the electrode 43 of ceramic leading truck heater.Connect Shell fragment 62 is touched to be in contact with the electrode 43 of ceramic leading truck heater by the end of its U-shaped bending and conduction.
Such as Fig. 2, Fig. 3, static contact 70 is additionally provided with metal shell 10, the structure of static contact 70 is as shown in fig. 6, the stationary contact Piece 70 is fixed on the inwall of metal shell 10, and its one end is provided with the stationary contact 71 corresponding with the movable contact 63 of the spring plate, The other end of the remote stationary contact 71 of static contact 70 forms bending, and the end of the bending one end is provided with small U-shaped bending, static contact 70 are in contact by the U-shaped bending of its end with the electrode 43 of ceramic leading truck heater and conduction.
The operation principle of the present invention is as shown in Figure 2 and Figure 3.When load temperature reaches setting value, the bimetal leaf 60 by Hot kick, ceramic push rod 41 is promoted to be moved to opposite side, the other end of ceramic push rod 41 promotes spring plate 60 to move, and makes described dynamic Contact 63 is separated and disconnecting consumers circuit with stationary contact 71, and power-off protection is carried out to load.Now, the contact flat spring 62 of spring plate And one end of static contact 70 is contacted with the electrode 43 of ceramic leading truck heater so that ceramic leading truck heater 40, which is powered, to be sent out Heat, this heating temp causes bimetal leaf 50 to maintain off-state always, and is off temperature switch circuit, rises To the power-off protection effect to load.In the case, only after it entirely eliminated the failure of load and disconnect power supply, So that ceramic leading truck heater 40 stops heating, when temperature drops to normal value, bimetal leaf 50 resets so that movable contact 63 Closed with stationary contact 71 and turn on temperature switch circuit.Now, one end of the contact flat spring 62 of spring plate and static contact 70 with The electrode 43 of ceramic leading truck heater is separated, and is therefore disconnected ceramic leading truck heater circuit, while realizes pair The power-off protection and power-off restoration function of load.
Although being disclosed by above example to the present invention, protection scope of the present invention is not limited thereto, Under conditions of without departing from present inventive concept, each component is done to more than deformation, replacements etc. will fall into right of the invention In claimed range.

Claims (6)

1. a kind of power-off restoration temperature detect switch (TDS) that can control two kinds of load circuits, it is characterised in that the temperature detect switch (TDS) has one end Open metal shell (10), two binding posts for connecting two kinds of load circuits are fixed with metal shell (10) bottom (20) metal end (30), is provided with the opening end of metal shell, is provided between metal end (30) and metal shell (10) Ceramic leading truck heater (40), the ceramic leading truck heater (40) include ceramic leading truck (41), are oriented to located at ceramics Heating film (42) on frame and the first sector electrode and the second sector electrode being connected with heating film, are oriented in activity through ceramics Ceramic push rod (44) end of frame heater (40) is provided with bimetal leaf (50), the other end and spring plate of ceramic bar top (44) (60) it is in contact, one end of spring plate is provided with movable contact (63), the other end of spring plate (60) and ceramic leading truck heater First sector electrode is in contact, and static contact (70) is additionally provided with metal shell (10), is touched on the static contact with the dynamic of spring plate The corresponding position of point is provided with stationary contact (71), and one end of the remote stationary contact of the static contact (70) generates heat with ceramic leading truck Second sector electrode of body is in contact, and
When load temperature reaches setting value, the bimetal leaf (60) is heated kick, promotes ceramic push rod (41) mobile, makes institute State movable contact (63) to separate with stationary contact (71) and disconnect temperature switch circuit, after temperature switch circuit disconnects, the ceramics are led Bimetal leaf (50) is set to maintain disconnection shape because connecting heating with spring plate (60) and static contact (70) to frame heater (40) State, and temperature switch circuit is off, after only power supply is disconnected, ceramic leading truck heater (40) stops hair Heat, when temperature drops to normal value, bimetal leaf (50) resets so that movable contact (63) closes with stationary contact (71) and makes temperature control On-off circuit turns on, and disconnects ceramic leading truck heater circuit.
2. the power-off restoration temperature detect switch (TDS) of two kinds of load circuits is can control as claimed in claim 1, it is characterised in that the gold Category shell (10) is hollow column, and its opening end end is provided with outwardly convex edge (11), and metal shell bottom is provided with two The individual groove (12) for being used to install binding post being symmetric.
3. the power-off restoration temperature detect switch (TDS) of two kinds of load circuits is can control as claimed in claim 2, it is characterised in that in metal Shell (10) bottom is fixed with two binding posts (20) that can connect two kinds of load circuits, and two binding posts (20) symmetrically set Put in two grooves (12) of metal shell bottom, one end of two binding posts (20) and metal shell (10) riveting are solid Fixed, the other end is extended to outside metal shell.
4. the power-off restoration temperature detect switch (TDS) of two kinds of load circuits is can control as claimed in claim 1, it is characterised in that the pottery Porcelain leading truck (41) is circular plate-like shape body, and its side relative with metal end (30) is provided with the concave surface for housing the bimetal leaf (411), the edge of ceramic leading truck (41) is provided with the ring-type L-shaped step (412) with metal shell pairing.
5. the power-off restoration temperature detect switch (TDS) of two kinds of load circuits is can control as claimed in claim 1, it is characterised in that described dynamic The shell fragment main body (61) that shell fragment (60) includes U-shaped extends the contact bullet formed with the bending part from shell fragment main body (61) to opposite side Piece (62), one end and metal shell (10) riveting of shell fragment main body (61) are fixed, and its free end is provided with movable contact (63), contacts bullet The free end of piece (62) is in contact with the first sector electrode of ceramic leading truck heater.
6. the power-off restoration temperature detect switch (TDS) of two kinds of load circuits is can control as claimed in claim 1, it is characterised in that described quiet One end of contact (70) is provided with stationary contact (71), and its other end forms bending, and the end of the bending one end is sent out with ceramic leading truck Second sector electrode of hot body is in contact.
CN201410398300.XA 2014-08-13 2014-08-13 It can control the power-off restoration temperature detect switch (TDS) of two kinds of load circuits Active CN104269324B (en)

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CN104217897B (en) * 2014-08-13 2017-09-15 杨彬 It can control the spring-piece type power-off restoration temperature detect switch (TDS) of two kinds of circuits

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CN104217897A (en) * 2014-08-13 2014-12-17 东莞市凯恩电子科技有限公司 Spring-type power failure restoration temperature control switch capable of controlling two kinds of circuits
CN204067192U (en) * 2014-08-13 2014-12-31 东莞市凯恩电子科技有限公司 The spring-piece type power-off restoration temperature detect switch (TDS) of two kinds of circuit can be controlled
CN204067193U (en) * 2014-08-13 2014-12-31 东莞市凯恩电子科技有限公司 The power-off restoration temperature detect switch (TDS) of two kinds of load circuits can be controlled

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Publication number Priority date Publication date Assignee Title
CN202434422U (en) * 2012-01-04 2012-09-12 东莞市凯恩电子科技有限公司 Jump-type temperature protector
CN203325801U (en) * 2013-06-03 2013-12-04 长沙市新东南电器科技有限公司 Thermistor-based deenergizing, cooling and resetting type temperature controller
CN203481136U (en) * 2013-09-29 2014-03-12 扬州宝珠电器有限公司 Restriction resetting type temperature controller
CN104217897A (en) * 2014-08-13 2014-12-17 东莞市凯恩电子科技有限公司 Spring-type power failure restoration temperature control switch capable of controlling two kinds of circuits
CN204067192U (en) * 2014-08-13 2014-12-31 东莞市凯恩电子科技有限公司 The spring-piece type power-off restoration temperature detect switch (TDS) of two kinds of circuit can be controlled
CN204067193U (en) * 2014-08-13 2014-12-31 东莞市凯恩电子科技有限公司 The power-off restoration temperature detect switch (TDS) of two kinds of load circuits can be controlled

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Application publication date: 20150107

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