CN201247733Y - Double-pole single-throw type temperature controller - Google Patents
Double-pole single-throw type temperature controller Download PDFInfo
- Publication number
- CN201247733Y CN201247733Y CNU2008201629913U CN200820162991U CN201247733Y CN 201247733 Y CN201247733 Y CN 201247733Y CN U2008201629913 U CNU2008201629913 U CN U2008201629913U CN 200820162991 U CN200820162991 U CN 200820162991U CN 201247733 Y CN201247733 Y CN 201247733Y
- Authority
- CN
- China
- Prior art keywords
- contact
- housing
- terminal
- push rod
- bimetal leaf
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model relates to a double-knife single-throw type temperature controller which comprises a first shell, a second shell which is stacked on the first shell, and a bimetallic strip. The double-knife single-throw type temperature controller also comprises a driving rod, the bottom end of the driving rod approaches to the bimetallic strip, the top end of the driving rod approaches to a second contact point pair, the middle position of the driving rod is provided with a lateral protruded part which approaches to the first contact point pair and can drive the top end of the driving rod and the protruded part in the middle to respectively open and separate the first contact point pair and the second contact point pair at the same time under the driving of the bimetallic strip. Compared with the prior art, two-level circuits which need to be synchronously switched on or off are connected with the two stacked temperature controller shells, only one bimetallic strip is adopted to induce temperature, moreover, the contact point pairs which are arranged in the first shell and the second shell are synchronously controlled by the driving rod to be switched on or off, and the circuits in the two shells can be synchronously switched on or off to ensure the synchronicity of the two circuits.
Description
Technical field
The utility model relates to a kind of thermostat, and this thermostat is applied on the equipment or electrical equipment of realization double-pole single-throw (D.P.S.T.) control modes such as solar water heater, air-conditioning, household electrical appliance and Aero-Space.
Background technology
Existing temperature controller switch configuration is generally single-pole single-throw(SPST, single-pole double throw and double-pole single-throw (D.P.S.T.), and wherein, single-pole double throw i.e. a switch control set of circuits, and this group circuit is controlled one group of normally-closed contact, and along with the rising of temperature, this group normally-closed contact disconnects; In case when application of temperature dropped to specific reset temperature, the contact can automatically reset to its normally off.Single-pole double throw is basic identical with single-pole single-throw(SPST, but this group circuit is controlled two groups of contacts, auxiliary contact closure when normally-closed contact disconnects, and circuit is connected; Auxiliary contact disconnected when normally-closed contact resetted, and circuit disconnects.
And double-pole single-throw (D.P.S.T.) and above-mentioned two kinds of switching configurations are different, and it is meant that a switch controls two groups of circuit, and set of circuits is controlled one group of contact, when temperature rises, and two groups of contacts or closed simultaneously, or disconnect simultaneously.In case when application of temperature dropped to specific reset temperature, the contact can automatically reset to its reset condition.Therefore, in actual applications,, generally use a slice bimetal leaf temperature-sensitive and control the two-stage switch, reach the purpose of controlling two groups of independent circuits simultaneously in order to guarantee the synchronism of two-stage circuit.But, employed mode mostly is the push rod of two-stage switch is conflicted respectively abreast on same bimetal leaf in the prior art, promptly on same bimetal leaf, have two contact points that offset with different push rods, these two contact points may cause bimetal leaf when kick takes place, flash because of discontinuity equalization, or be to produce to wave, the result who brings thus is the synchronism that can not well guarantee two-stage circuit, may produce time-delay between the two, cause damage to electric equipment.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of can effectively avoid bimetal leaf to flash or wave and make that life of product is long, the double-pole single-throw type temperature controller of good stability at above-mentioned prior art present situation.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: this double-pole single-throw type temperature controller, include first housing, it is right that this first housing includes first contact, and described first contact is to being electrically connected with two binding posts that are exposed to outside described first housing respectively;
Second housing is superimposed upon on described first housing, and it is right that this second housing includes second contact, and described second contact is to being electrically connected with two binding posts in addition that are exposed to outside described second housing respectively;
Bimetal leaf is arranged in described first housing;
It is characterized in that: also include drive rod, the contiguous described bimetal leaf in the bottom of this drive rod, contiguous described second contact, top is right, and it is right that this drive rod has contiguous described first contact of side direction male part at medium position, and can be under the driving of bimetal leaf, the top of drive rod with respectively second contact is separated backing down, second contact simultaneously in the male part at middle part.
As preferably, described drive rod can include and be arranged on first push rod in first housing and be arranged on the second interior push rod of second housing, described first push rod is the hollow stem with axis hole, the axis hole aperture of the diameter of described second push rod and described first push rod is suitable, this second push rod is located in the axis hole of described first push rod, and described first push rod is concordant with the bottom of second push rod and be resisted against the center curvature face inside of described bimetal leaf simultaneously.By two push rods that connect together mutually, guarantee concentricity, make that when bimetal leaf generation kick synchronism has been improved to disconnecting simultaneously or closure in the contact in first housing and second housing.
Described first contact is to including first moving contact, first fixed contact, described first housing be externally connected to the first terminal, second terminal, wherein, described first moving contact is fixedly connected on an end of one first reed, the other end of this first reed links to each other with described the first terminal, described first fixed contact is fixedly connected on described second terminal, is under the initial reset state at described bimetal leaf, and described first fixed contact contacts conducting with first moving contact; Be under the reverse kick state under described first fixed contact and of the contact effect of first moving contact at described bimetal leaf and separate disconnection at described first push rod.
Described second contact is to including second moving contact, second fixed contact, the outer chains of described second housing is connected to the 3rd terminal, the 4th terminal, wherein, described second moving contact is fixedly connected on an end of one second reed, the other end of this second reed links to each other with described the 3rd terminal, described fixed contact is fixedly connected on described the 4th terminal, is under the initial reset state at described bimetal leaf, and described second fixed contact contacts conducting with second moving contact; Be under the reverse kick state at described bimetal leaf, described second fixed contact and second moving contact are under the contact effect of described second push rod and separate disconnection.
For fixing bimetal leaf, and can allow bimetal leaf temperature-sensitive sensitivity, described first lower part of frame is connected with the temperature-sensitive end cap, forms a cavity between this end cap and described first housing, and described bimetal leaf is contained in this cavity.
For the ease of calandria is installed, described end cap below also is connected with the 3rd housing, and the 3rd housing includes five terminal and the 6th terminal that is communicated with external circuits, and, on described five terminal, the 6th terminal, also be connected with conductive contact film respectively.
Described end cap external fixation is provided with the PTC thermistor, is used for transmitting heat to bimetal leaf, and the conductive contact film on this thermistor and described five terminal, the 6th terminal offsets respectively and generates heat through described external circuits conducting.
Compared with prior art, advantage of the present utility model is: will need the two-stage circuit of synchronous conducting or disconnection to pick out by mutual superposition two thermostat housings together, only adopt a slice bimetal leaf temperature sensor, and, control right closed in contact in first housing and second housing simultaneously or disconnect by a drive rod, make the interior circuit of two housings reach synchronously and be switched on or switched off, guarantee the synchronism of two circuit.Particularly, adopt two pusher structures, be that the interior push rod of one of them thermostat housing is a hollow stem, push rod in another thermostat housing is for being located in the solid hopkinson bar in this hollow stem, two push rods can keep concentricity preferably, when bimetal leaf generation kick is moved, can guarantee that two push rods move simultaneously, conducting or disconnection when realizing two-stage circuit.And, because two push rods are set-located with one heart, and have only a kick contact point between the bimetal leaf, whole thermostat product in the course of the work, bimetal leaf is difficult for flashing, not waving, and makes that the life-span of thermostat is long, good stability.
Description of drawings
Fig. 1 is the perspective view of the utility model embodiment;
Fig. 2 is the user mode cutaway view (bimetal leaf is under the initial reset state) of the utility model embodiment;
Fig. 3 is the user mode cutaway view (bimetal leaf is taking place under the reverse kick state) of the utility model embodiment.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As Fig. 1～shown in Figure 6, be a preferred embodiment of the present utility model:
This double-pole single-throw type temperature controller, include first housing 1 and second housing 2 that is superimposed upon on first housing that adopt the bakelite material respectively, be connected with temperature-sensitive end cap 11 in the bottom of first housing 1, forming the bimetal leaf 3 that a cavity 12, has auto-reset function between this end cap 11 and first housing 1 is contained in this cavity 12.
Of the present utility modelly be contemplated that substantially: design a kind of drive rod, the contiguous bimetal leaf 3 in the bottom of this drive rod, contiguous second contact, top is right, it is right that this drive rod has contiguous first contact of side direction male part at medium position, under the driving of bimetal leaf, the top of drive rod and middle part male part can be simultaneously separated to, second contact second contact respectively to backing down.Can when kick takes place bimetal leaf 3, can back down first contact simultaneously as long as satisfy, just can reach the purpose that the two-stage circuit in first housing 1 and second housing 2 is switched on or switched off synchronously right with second contact.
Consider the feasibility of actual production, described drive rod can be two first push rod 13 and second push rods 21 that are provided with one heart, wherein, first housing 1 have first contact to first push rod 13, this first contact is to comprising first moving contact 14, first fixed contact 15, the outside rivet of first housing 1 is connected with the first terminal 16, second terminal 17, first moving contact 14 is fixedly connected on an end of first reed 18, the other end of first reed 18 links to each other with the first terminal 16, and first fixed contact 15 is fixedly connected on second terminal 17;
And, first push rod 13 is for having the hollow stem of axis hole, the axis hole aperture of the diameter of second push rod 21 and first push rod 13 is suitable, this second push rod 21 is located in the axis hole of first push rod 13, and first push rod 13 is concordant with the bottom of second push rod 21 and be resisted against the center curvature face inside of bimetal leaf 3 simultaneously.
Be under the initial reset state at bimetal leaf 3, the top of first push rod 13 and second push rod 21 close on respectively be arranged on first contact formed by first fixed contact 15 and first moving contact 14 to and second contact formed by second fixed contact 23 and second moving contact 22 right, first fixed contact 15 contacts conducting with first moving contact 14, and second fixed contact 23 contacts conducting with second moving contact 22;
Be under the reverse kick state at bimetal leaf 3, under the contact effect of first push rod 13, second push rod 21, separate simultaneously respectively between first fixed contact 15 and first moving contact 14, between second fixed contact 23 and second moving contact 22 and disconnect.
Below the end cap 11 of first housing 1, also be connected with the 3rd housing 4, the 3rd housing 4 is connected on the base plate 7, include five terminal the 41 and the 6th terminal 42 that is communicated with external circuits, and, on five terminal 41, the 6th terminal 42, also be connected with conductive contact film 5 respectively.End cap 11 external fixation are provided with a PTC thermistor 6, and PTC thermistor 6 is to adopt ceramic material to make, have high temperature resistant, the intensity height, not yielding, perfect heat-dissipating, safe and reliable by low voltage operating.Bimetal leaf 3 by end cap 11 from thermistor 6 at last temperature-sensitive, thermistor 6 by with five terminal 41, the 6th terminal 42 on conductive contact film 5 offset respectively and generate heat through the external circuits conducting.
Top at second housing 2 also has top cover 8, plays certain dustproof and sealing function.
The basic functional principle of present embodiment:
After giving 6 energisings of PTC thermistor, the heat that thermistor 6 produces is passed to bimetal leaf 3, the action of direction kick takes place in bimetal leaf 3 after having arrived uniform temperature, thereby first push rod 13 and second push rod 21 are up promoted simultaneously, and backing down first contact simultaneously to right with second contact, the circuit in first housing 1 and second housing 2 disconnects simultaneously;
After 6 outages of PTC thermistor, by the time thermistor 6 natural heat dissipations are after uniform temperature, bimetal leaf 3 automatically replies, first push rod 13 and second push rod 21 fall after rise simultaneously, at this moment, first contact to second contact to disconnecting simultaneously again, the circuit in first housing 1 and second housing 2 reclose.
Adopt the thermostat of present embodiment structure to have low-power consumption, do not have dry sound, shockproof and characteristics that mechanical performance is strong, safe and reliable, time precision is high.Make the thermistor heating by low-voltage, thereby make the action of bimetal leaf kick, disconnect by low-voltage, natural heat dissipation makes the bimetal leaf kick be returned to initial condition.The thermostat of this product carrying working stability, the time precision height, the life-span long (product useful life more than 10,000 times), safe and reliable.
In addition, in the present embodiment, the binding post that first housing and second housing comprise all adopts the thick brass of 0.8mm, first reed and second reed then adopt the thick import beryllium-bronze of 0.25mm, and both weld together, and contact resistance is little, when big electric current passed through, caloric value was less, and good heat dissipation effect.Simultaneously, adopting diameter is the major diameter bimetal leaf of 19mm, when the control uniform temp, the bimetal leaf deformation radian that diameter is big more is big more, and the distance that two contacts are backed down increases, when bearing great current and high voltage, can not produce the arcing phenomenon, guarantee the life-span of product.
Thermostat of the present utility model can the multiple different mode of connection, can control six at most simultaneously and advance six and go out, control multiple circuit, and multiple devices have been broken one-in-and-one-out and two in the past and advanced the two rule duties that go out to control the on-off circuit device, have filled up the blank in domestic this field.
Claims (7)
1, a kind of double-pole single-throw type temperature controller includes
First housing (1), it is right that this first housing (1) includes first contact, and described first contact is to being electrically connected with two binding posts that are exposed to outside described first housing (1) respectively;
Second housing (2) is superimposed upon on described first housing (1), and it is right that this second housing (2) includes second contact, and described second contact is to being electrically connected with two binding posts in addition that are exposed to outside described second housing (2) respectively;
Bimetal leaf (3) is arranged in described first housing (1);
It is characterized in that: also include drive rod, contiguous described bimetallic (3) sheet in the bottom of this drive rod, contiguous described second contact, top is right, and it is right that this drive rod has contiguous described first contact of side direction male part at medium position, and can be under the driving of bimetal leaf (3), the top of drive rod with respectively second contact is separated backing down, second contact simultaneously in the male part at middle part.
2, double-pole single-throw type temperature controller according to claim 1, it is characterized in that: described drive rod includes and is arranged on first push rod (13) in first housing (1) and is arranged on interior second push rod (21) of second housing (2), described first push rod (13) is for having the hollow stem of axis hole, the axis hole aperture of the diameter of described second push rod (21) and described first push rod (13) is suitable, this second push rod (21) is located in the axis hole of described first push rod (13), and described first push rod (13) is concordant with the bottom of second push rod (21) and be resisted against the center curvature face inside of described bimetal leaf (3) simultaneously.
3, double-pole single-throw type temperature controller according to claim 1, it is characterized in that: described first contact is to including first moving contact (14), first fixed contact (15), described first housing (1) be externally connected to the first terminal (16), second terminal (17), wherein, described first moving contact (14) is fixedly connected on an end of one first reed (18), the other end of this first reed (18) links to each other with described the first terminal (16), described first fixed contact (14) is fixedly connected on described second terminal (17), be under the initial reset state at described bimetal leaf (3), described first fixed contact (15) contacts conducting with first moving contact (14); Be under the reverse kick state described first fixed contact (15) and first moving contact (14) under the contact effect of described first push rod (13) and separate disconnection at described bimetal leaf (3).
4, double-pole single-throw type temperature controller according to claim 1, it is characterized in that: described second contact is to including second moving contact (22), second fixed contact (23), the outer chains of described second housing (2) is connected to the 3rd terminal (24), the 4th terminal (25), wherein, described second moving contact (22) is fixedly connected on an end of one second reed (26), the other end of this second reed (26) links to each other with described the 3rd terminal (24), described second fixed contact (23) is fixedly connected on described the 4th terminal (25), be under the initial reset state at described bimetal leaf (3), described second fixed contact (23) contacts conducting with second moving contact (22); Be under the reverse kick state at described bimetal leaf (3), described second fixed contact (23) and second moving contact (22) are under the contact effect of described second push rod (21) and separate disconnection.
5, according to claim 1,2,3 or 4 described double-pole single-throw type temperature controllers, it is characterized in that: the bottom of described first housing (1) is connected with temperature-sensitive end cap (11), form a cavity (12) between this end cap (11) and described first housing (1), described bimetal leaf (3) is contained in this cavity (12).
6, double-pole single-throw type temperature controller according to claim 5, it is characterized in that: described end cap (11) below also is connected with the 3rd housing (4), the 3rd housing (4) includes five terminal (41) and the 6th terminal (42) that is communicated with external circuits, and, on described five terminal (41), the 6th terminal (42), also be connected with conductive contact film (5) respectively.
7, double-pole single-throw type temperature controller according to claim 5, it is characterized in that: described end cap (11) external fixation is provided with a PTC thermistor (6), and the conductive contact film (5) on this thermistor (6) and described five terminal (41), the 6th terminal (42) offsets respectively and generates heat through described external circuits conducting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201629913U CN201247733Y (en) | 2008-08-20 | 2008-08-20 | Double-pole single-throw type temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201629913U CN201247733Y (en) | 2008-08-20 | 2008-08-20 | Double-pole single-throw type temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201247733Y true CN201247733Y (en) | 2009-05-27 |
Family
ID=40731558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201629913U Expired - Lifetime CN201247733Y (en) | 2008-08-20 | 2008-08-20 | Double-pole single-throw type temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201247733Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101345160B (en) * | 2008-08-20 | 2012-01-11 | 朱英年 | Double-pole single-throw type temperature controller |
-
2008
- 2008-08-20 CN CNU2008201629913U patent/CN201247733Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101345160B (en) * | 2008-08-20 | 2012-01-11 | 朱英年 | Double-pole single-throw type temperature controller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101345159A (en) | Temperature controller with temperature control and protection function | |
| CN203325801U (en) | Thermistor-based deenergizing, cooling and resetting type temperature controller | |
| CN101345160B (en) | Double-pole single-throw type temperature controller | |
| CN203895359U (en) | Non-shortcircuit type PTC power-off reset temperature controller | |
| CN101510483B (en) | Kick type temperature controller | |
| CN201247733Y (en) | Double-pole single-throw type temperature controller | |
| CN201383472Y (en) | Kick type thermoregulator | |
| CN203826287U (en) | Thermistor three-pole temperature controller | |
| CN201247732Y (en) | Temperature controller with temperature control and protection function | |
| CN205428854U (en) | Circuit protection component | |
| CN204012021U (en) | The attaching plug of belt switch | |
| CN104992878B (en) | Multifunctional ceramic duplex temperature controller and the electric heating vessel using the temperature controller | |
| CN208568846U (en) | A kind of on-off system suitable for household electrical appliance detection | |
| CN201233840Y (en) | Sudden skip temperature controller | |
| US2731529A (en) | Automatic control device | |
| CN205211660U (en) | Liquid expanding heavy current temperature controller | |
| CN209994563U (en) | Temperature controller structure of electric heating pot | |
| CN203910714U (en) | Load protection device capable of transient quick-tripping in the case of overtemperature and overload | |
| CN217788276U (en) | Temperature duration controller of double-layer intelligent egg boiler for catering industry | |
| CN209045432U (en) | A kind of power-off restoration temperature controller | |
| CN207883607U (en) | A kind of sensitive water proofing property temperature controller of low resistance temperature-sensitive | |
| CN206657775U (en) | A kind of power-off restoration formula thermally-responsive controls | |
| CN218181386U (en) | Heating resistor power-off reset temperature controller and electric appliance adopting same | |
| CN210349702U (en) | Temperature switch with insulating seal | |
| CN217134279U (en) | Temperature circuit breaker, battery and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090527 Effective date of abandoning: 20080820 |