CN101334675A - Kick type temperature controller - Google Patents
Kick type temperature controller Download PDFInfo
- Publication number
- CN101334675A CN101334675A CNA2008100637141A CN200810063714A CN101334675A CN 101334675 A CN101334675 A CN 101334675A CN A2008100637141 A CNA2008100637141 A CN A2008100637141A CN 200810063714 A CN200810063714 A CN 200810063714A CN 101334675 A CN101334675 A CN 101334675A
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- temperature controller
- bimetallic strip
- housing
- heating resistor
- chamber
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Abstract
The invention provides a sudden-jump type temperature controller, comprising a shell, a dual-metal sheet which is arranged inside the shell, a switch which is used for turning on or turning off an electro-thermal circuit, and a control part which controls the closing or the opening of the switch when the dual-metal sheet suddenly jumps; the sudden-jump type temperature controller is characterized in that a chamber is formed by the internal wall of the shell and the dual-metal sheet; at least one heating resistance which is arranged to be closely adjacent to the dual-metal sheet suspends in the chamber; the heating resistance is provided with a pair of pins which are respectively fixedly connected at one end of each of two wiring terminals which are used for conducting the heating resistances; the other end of each of the two wiring terminals passes through the shell and are extended out of the shell. Compared with the prior art, the sudden-jump type temperature controller is provided with the high-precision metal film resistance in the working space of the dual-metal sheet; when the temperature is reduced in the normal working environment of the temperature controller product, the dual-metal sheet obtains the compensation power by the heating resistance and certain sudden-jump temperature is achieved locally.
Description
Technical field
The present invention relates to a kind of temperature controller, particularly a kind of Kick type temperature controller that is applied on the household electrical appliances such as dryer, disinfection cabinet, electric heater.
Background technology
Existing temperature controller mainly utilizes temperature-sensitive video disc (bimetallic strip) can produce connection and closure that flexural deformation comes the gauge tap contact when temperature change, reaches the operate as normal of electrical equipment and to the power-off protection of electrical equipment with this.Because temperature-sensitive video disc (bimetallic strip) is by judging whether the environment thermal source reaches predetermined temperature and produce the kick distortion, and when the environment heat source temperature changed, the functional reliability of temperature controller also can be affected.
After the model of bimetallic strip is selected, the kick temperature extremes value of bimetallic strip is also just fixing, when the working temperature of environment thermal source reduces, be applied in the dryer field as temperature controller, if the bake out temperature of first kind clothing is 60 ℃, the bimetallic strip kick temperature of selected model also is 60 ℃, the bake out temperature of the second class clothing then only needs 40 ℃, so, when dryer in oven dry during the second class clothing, original bimetallic strip still thinks when surpassing 40 ℃ in normal working range, and can not produce the kick distortion, this can make the second class clothing be damaged, and has also reduced reliability and security that dryer uses.Therefore, the control temperature when common temperature controller can't change temperature controller work can only increase manufacturing cost by changing bimetallic strip to meet the electric equipment products of different operating control temperature, has also limited the usable range of temperature controller.
Summary of the invention
Technical matters to be solved by this invention is that a kind of Kick type temperature controller that adopts heating resistor with the environment temperature of reduction temperature controller operate as normal is provided at above-mentioned prior art present situation.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: this Kick type temperature controller includes
One ceramic shell;
One bimetallic strip is installed in the described housing;
One switch is used for conducting or disconnects the electric heating loop; And
One control piece when described bimetallic strip generation kick, is controlled the closed of described switch or is opened;
It is characterized in that: described inner walls and bimetallic strip form a chamber, suspending in this chamber, at least one is close to described bimetallic strip and the heating resistor established, this heating resistor has pair of pins, described pin is fixedly connected on an end of two connection terminals that are used for this heating resistor of conducting respectively, and the other end of these two connection terminals passes described housing and stretches out outside this housing.
Described heating resistor is that power is the resistance of 0.5～5W, consider that power is big more, the heating temp of heating resistor is high more, can be also high more to the compensation temperature of temperature controller bimetallic strip, and under equal-wattage, resistance with the selection large volume is good for convenient for assembly, simultaneously from cost consideration, the price of the large volume resistance also resistance than small size is more cheap, the present invention adopts the chamber of following structure to realize the installation of large volume heating resistor: be boss in the middle of the described chamber, be recessed ring-shaped chamber all around, this chamber has the through hole that connects with described housing on boss, described control piece can be located in this through hole, and described heating resistor is suspended in the ring-shaped chamber, and, also offer in the bottom of this ring-shaped chamber and to run through housing and can hold the slot that described connection terminal passes.Because described chamber is a ring-shaped chamber, spatial volume is bigger, can be fit to install the heating resistor of large volume, and under identical power conditions, large volume resistance is bought on market easily, and price is more cheap than small size resistance, has therefore reduced production cost.
In order to improve the thermal efficiency, make full use of cavity space, described heating resistor can have two, parallel respectively and be arranged on the both sides of described boss symmetrically, correspondingly, described connection terminal is separately positioned on the pin both sides of described heating resistor, and pass described slot and vertically be applied on the described housing, connection terminal can be fixed in the housing like this, and heating resistor can be suspended among the described chamber, by regulating the position of connection terminal in housing, can correspondingly regulate the distance between heating resistor and the bimetallic strip.
For the conducting or the disconnection that can realize the electric heating loop, described switch can be for being connected on the first terminal in the electric heating loop, second terminal, the push rod that described control piece can offset for the center curvature face inside of an end and described bimetallic strip, and, described the first terminal is connected with fixed contact, one end of described second terminal and first reed links to each other, the other end of this first reed is provided with and the corresponding moving contact of described first fixed contact, be under initial or the reset mode at described bimetallic strip, described fixed contact and moving contact are normally closed, promptly keep the conducting in electric heating loop; When bimetallic strip is under the reverse kick state, can move upward by the jack-up push rod, thereby fixed contact is separated with moving contact, the electric heating loop disconnects.In order to connect more branch circuit, can also in housing, be provided with the 3rd terminal, realize the function of single-pole double-throw (SPDT).
In order to play the dustproof effect, described housing also is fixedly connected with base on top, but then be connected with the end cap of temperature-sensitive in the lower housing portion that described bimetallic strip is installed, can the induction heat source temperature and thermal source passed to make it reaching abrupt temp to bimetallic strip be to occur bending and deformation.
Described connection terminal also is provided with projection at the other end that passes described housing, and this projection offsets with the outside surface of described base and can be spacing at corresponding described slotted eye place.Can make connection terminal when base top is inserted into housing, realize installing and locating guaranteeing the distance between resistance and the bimetallic strip like this.
Compared with prior art, the invention has the advantages that: Kick type temperature controller in the past all is to adopt simple on-off switch to realize the change of the duty of external connection electrical apparatus, temperature controller can only adapt to a kind of operating ambient temperature at work, temperature controller of the present invention is provided with high-precision metal thin film resistor in the work space of bimetallic strip, heating resistor is connected on the foreign current loop by connection terminal, after energising, generate heat, can play the effect of constant temperature and thermal compensation to bimetallic strip, when the temperature controller product when the environment temperature of operate as normal reduces, bimetallic strip obtains compensation power by heating resistor, reach certain kick temperature in the part, guaranteed the kick distortion of bimetallic strip, thereby make temperature controller can continue operate as normal, enlarged the usable range of temperature controller.
Description of drawings
Fig. 1 is the perspective view of the embodiment of the invention.
Fig. 2 is the vertical view (removing end cap) of the embodiment of the invention.
Fig. 3 is the mode of connection synoptic diagram of the embodiment of the invention.
Fig. 4 is that A-A shown in Figure 2 is to cut-open view (under the normally off of contact).
Fig. 5 is that A-A shown in Figure 2 is to cut-open view (under the contact separation state).
Fig. 6 is that B-B shown in Figure 2 is to cut-open view.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As Fig. 1～shown in Figure 6, be specific embodiments of the invention:
This Kick type temperature controller is mainly used in dryer, in use, when the control temperature of drying clothes changes, compensates the environment temperature that can reduce the temperature controller operate as normal by the heating resistor heating, has enlarged the temperature controller usable range.
The Kick type temperature controller of present embodiment includes ceramic shell 1, ceramic shell 1 is compared the bakelite housing can bear higher heating temp, the top of housing 1 is by base 91 sealings, but the bottom of housing 1 is connected with a temperature-sensitive end cap 92, be provided with bimetallic strip 2 in end cap 92 inboards, the inwall of this bimetallic strip 2 and housing 1 forms a chamber 7, has the heating resistor 6 that next-door neighbour's bimetallic strip 2 is provided with at chamber 7, as shown in Figure 2;
In housing 1, also be provided with the first terminal 3, second terminal 4 that are connected in the electric heating loop, and the push rod 5 that offsets of the center curvature face inside of end and a bimetallic strip 2, and, the first terminal 3 is connected with fixed contact 31, second terminal 4 links to each other with an end of first reed 42, the other end of this first reed 42 is provided with and fixed contact 31 corresponding moving contacts 41, wherein, between the first terminal 3 and the housing 1 by rivet 9 ' fixedly connected, and between second terminal 4, first reed 42 and the housing 1 also by rivet 9 ' be fixedly connected on together.Bimetallic strip 2 be in initial or the state that resets under, fixed contact 31 and moving contact 41 are normally closed, as shown in Figure 4; Be under the reverse kick state at bimetallic strip 2, fixed contact 31 separates with moving contact 41, as shown in Figure 5.
Present embodiment adopts the high-precision metal sheet resistance as heating resistor 6, heating resistor 6 is the large volume resistance of 0.5～5W for power, under identical power conditions, the price of the resistance of large volume wants cheap a lot of than small size resistance, and be welded to connection terminal and also can be more prone to, for the heating resistor 6 that can give large volume provides sufficient installing space, convenient for assembly, the centre of the described chamber 7 in the present embodiment is a boss 71, be recessed ring-shaped chamber 72 all around, this chamber 7 has the through hole 711 that connects with housing 1 on boss 71, push rod 5 can be located in the through hole 711 slidably, the chamber of this space structure can provide the sufficient space that suspends for heating resistor 6 in toroidal cavity 72, make things convenient for the installation of large volume resistance, and adopt the housing 1 of stupalith in the present embodiment, when resistor power is big, can guarantee the operate as normal of temperature controller, housing compared with the bakelite material has better thermal conductivity, can prevent that housing is overheated;
Wherein, heating resistor 6 has two, and is as shown in Figure 2, parallel respectively and be arranged on the both sides of boss 71 symmetrically, each heating resistor 6 has pair of pins 61, and each pin 61 is fixedly connected on connection terminal 8 one ends of the correspondence that is used for this heating resistor 6 of conducting respectively; The bottom of ring-shaped chamber 72 also offers the slot 721 that runs through housing 1, and the other end of connection terminal 8 can pass slot 721 and vertically pass through stretches in outside the housing 1, as shown in Figure 6.Like this, heating resistor 6 just is suspended among the ring-shaped chamber 72 of chamber 7 by connection terminal 8, and the distance between heating resistor 6 and the bimetallic strip 2 can be regulated according to the working temperature needs of actual electric equipment products, when heating resistor 6 is provided with near bimetallic strip 2, can improve the heating efficiency of resistance, can in the short time behind the resistance heating power, make bimetallic strip 2 make the kick distortion.But that can not lean between heating resistor 6 and the bimetallic strip is too near, needs the certain electrical isolation distance of maintenance, otherwise punctures bimetallic strip possibly, causes the temperature controller electric leakage.
Consider that heating resistor 6 is welded to earlier on the connection terminal 8 when assembling, and then connection terminal 8 is installed in the temperature controller housing 1, in order to guarantee the reliable location of connection terminal 8, guarantee that simultaneously heating resistor 6 can be suspended among the chamber 7, on base 91, also offer and to hold the slotted eye 911 that connection terminal 8 passes, slotted eye 911 is corresponding with the slot 721 on the housing 1 respectively, connection terminal 8 also is provided with projection 81 at the other end that passes housing 1, and this projection 81 offsets with the outside surface of base 91 and can be spacing at corresponding slotted eye 911 places.
The temperature controller principle of work of present embodiment is:
As shown in Figure 3, Figure 4, under the normal temperature state, the fixed contact 31 in the temperature controller housing 1 is (being that contact 1# and contact 2# are normally closed) that contact with moving contact 41, and the first terminal 3 and second terminal 4 are connected the conducting of electric heating loop, dryer operate as normal.
As shown in Figure 5, under heating resistor 6 no power states, when but the end cap 93 of temperature-sensitive is sensed on the ultimate temperature that extraneous operating ambient temperature is elevated to bimetallic strip 2 (as 100 degree) in limited time, kick takes place in bimetallic strip 2, and bimetallic strip 2 jack-up push rods move upward, and then make fixed contact 31 and moving contact 41 be separated from each other, this moment, contact 1# and contact 2# disconnected, the first terminal 3 and second terminal 4 open circuit, and cause the electric heating loop to cut off, and dryer quits work; When temperature reduced, bimetallic strip 2 kick once more resetted, and circuit recloses.
When external working temperature needs to change, as being reduced to 70 degree by 100 original degree, at this moment, give heating resistor 6 energisings, can produce the steady temperature of 30 degree after making it to generate heat, then when operating ambient temperature reached 70 degree, the kick distortion also can take place in bimetallic strip 2, cut off circuit, dryer quits work.When temperature reduced, bimetallic strip 2 kick once more resetted, and circuit recloses.
Present embodiment is provided with the high-precision metal sheet resistance in the work chamber of bimetallic strip, make temperature controller (when being working temperature decline) under the freezing weather of environment can guarantee that also the part of product reaches certain temperature, thereby reach the gentle preheating of weighing apparatus.
Claims (6)
1, a kind of Kick type temperature controller includes
One ceramic shell (1);
One bimetallic strip (2) is installed in the described housing (1);
One switch is used for conducting or disconnects the electric heating loop; And
One control piece when kick takes place described bimetallic strip (2), is controlled the closed of described switch or is opened;
It is characterized in that: described housing (1) inwall and bimetallic strip (2) form a chamber (7), suspending in this chamber (7), at least one is close to described bimetallic strip (2) and the heating resistor (6) established, this heating resistor (6) has pair of pins (61), described pin (61) is fixedly connected on an end of two connection terminals (8) that are used for this heating resistor of conducting (6) respectively, and the other end of these two connection terminals (8) passes described housing (1) and stretches out outside this housing (1).
2, Kick type temperature controller according to claim 1, it is characterized in that: described heating resistor (6) is the resistance of 0.5～5W for power, in the middle of the described chamber (7) is boss (71), be recessed ring-shaped chamber (72) all around, this chamber (7) has the through hole (711) that connects with described housing on boss (71), described control piece can be located in this through hole (711), described heating resistor (6) is suspended in the ring-shaped chamber (72), and, also offer in the bottom of this ring-shaped chamber (72) and to run through housing (1) and can hold the slot (721) that described connection terminal (8) passes.
3, Kick type temperature controller according to claim 2, it is characterized in that: described heating resistor (6) has two, parallel respectively and be arranged on the both sides of described boss (71) symmetrically, correspondingly, described connection terminal (8) is separately positioned on pin (61) both sides of described heating resistor (6), and passes described slot (721) and vertically pass through and stretch in outside the described housing (1).
4, Kick type temperature controller according to claim 1, it is characterized in that: described switch comprises the first terminal (3) that is connected in the electric heating loop, second terminal (4), described control piece is the push rod (5) that the center curvature face inside (21) of an end and described bimetallic strip (2) offsets, and, described the first terminal (3) is connected with fixed contact (31), described second terminal (4) links to each other with an end of first reed (42), the other end of this first reed (42) is provided with and the corresponding moving contact of described fixed contact (31) (41), be under the initial reset state at described bimetallic strip (2), described fixed contact (31) and moving contact (41) are normally closed; Be under the reverse kick state at described bimetallic strip (2), described fixed contact (31) separates with moving contact (41).
5, according to the described Kick type temperature controller of arbitrary claim in the claim 1～4, it is characterized in that: described housing (1) also is fixedly connected with base (91) on top, offer on the base (91) and can hold the slotted eye (911) that described connection terminal (8) passes, at the housing that described bimetallic strip (2) are installed (1) but the bottom then is connected with the end cap (92) of temperature-sensitive.
6, Kick type temperature controller according to claim 5, it is characterized in that: described connection terminal (8) also is provided with projection (81) at the other end that passes described housing (1), and this projection (81) offsets with the outside surface of described base (91) and can spacingly locate at corresponding described slotted eye (911).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100637141A CN101334675A (en) | 2008-07-25 | 2008-07-25 | Kick type temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100637141A CN101334675A (en) | 2008-07-25 | 2008-07-25 | Kick type temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101334675A true CN101334675A (en) | 2008-12-31 |
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ID=40197309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100637141A Pending CN101334675A (en) | 2008-07-25 | 2008-07-25 | Kick type temperature controller |
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| CN (1) | CN101334675A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102197959A (en) * | 2010-03-22 | 2011-09-28 | 蒋奉国 | Electrically heating cooker with overheat-resistant device |
| CN102693869A (en) * | 2011-03-25 | 2012-09-26 | 马赛尔·P·霍夫萨埃斯 | Temperature-dependent circuit with power transmission element |
| CN105455664A (en) * | 2015-06-08 | 2016-04-06 | 广东福尔电子有限公司 | Electric cooker temperature control assembly, electric cooker with same and temperature control method |
| CN107065959A (en) * | 2017-05-25 | 2017-08-18 | 慈溪市凯达温控器有限公司 | A kind of bimetal chip thermostat with heating protecting device |
| CN108415478A (en) * | 2018-03-22 | 2018-08-17 | 无锡小天鹅股份有限公司 | Temperature controller, temperature control device, drying system and clothes treatment device |
| CN110529528A (en) * | 2019-09-25 | 2019-12-03 | 内蒙古工业大学 | A kind of novel disc brake |
| CN112783234A (en) * | 2020-12-31 | 2021-05-11 | 航天重型工程装备有限公司 | Control box temperature control system |
| CN116646218A (en) * | 2023-06-14 | 2023-08-25 | 佛山市通宝华龙控制器有限公司 | Jump type temperature controller with compensation function |
-
2008
- 2008-07-25 CN CNA2008100637141A patent/CN101334675A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102197959A (en) * | 2010-03-22 | 2011-09-28 | 蒋奉国 | Electrically heating cooker with overheat-resistant device |
| CN102693869B (en) * | 2011-03-25 | 2017-04-12 | 马赛尔·P·霍夫萨埃斯 | Temperature-dependent circuit with power transmission element |
| CN102693869A (en) * | 2011-03-25 | 2012-09-26 | 马赛尔·P·霍夫萨埃斯 | Temperature-dependent circuit with power transmission element |
| CN105455664B (en) * | 2015-06-08 | 2019-01-01 | 广东强力科技股份有限公司 | A kind of electric cooker temperature control assembly and electric cooker and temperature control method using the temperature control assembly |
| CN105455664A (en) * | 2015-06-08 | 2016-04-06 | 广东福尔电子有限公司 | Electric cooker temperature control assembly, electric cooker with same and temperature control method |
| CN107065959A (en) * | 2017-05-25 | 2017-08-18 | 慈溪市凯达温控器有限公司 | A kind of bimetal chip thermostat with heating protecting device |
| CN107065959B (en) * | 2017-05-25 | 2019-04-19 | 慈溪市凯达温控器有限公司 | A kind of bimetal chip thermostat with heating protecting device |
| CN108415478A (en) * | 2018-03-22 | 2018-08-17 | 无锡小天鹅股份有限公司 | Temperature controller, temperature control device, drying system and clothes treatment device |
| CN110529528A (en) * | 2019-09-25 | 2019-12-03 | 内蒙古工业大学 | A kind of novel disc brake |
| CN110529528B (en) * | 2019-09-25 | 2024-02-13 | 内蒙古工业大学 | Novel disc brake |
| CN112783234A (en) * | 2020-12-31 | 2021-05-11 | 航天重型工程装备有限公司 | Control box temperature control system |
| CN112783234B (en) * | 2020-12-31 | 2022-06-17 | 航天重型工程装备有限公司 | Control box temperature control system |
| CN116646218A (en) * | 2023-06-14 | 2023-08-25 | 佛山市通宝华龙控制器有限公司 | Jump type temperature controller with compensation function |
| CN116646218B (en) * | 2023-06-14 | 2024-01-30 | 佛山市通宝华龙控制器有限公司 | Jump type temperature controller with compensation function |
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Open date: 20081231 |