CN103280376A - Ultra-small sealing temperature controller - Google Patents
Ultra-small sealing temperature controller Download PDFInfo
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- CN103280376A CN103280376A CN2013101911271A CN201310191127A CN103280376A CN 103280376 A CN103280376 A CN 103280376A CN 2013101911271 A CN2013101911271 A CN 2013101911271A CN 201310191127 A CN201310191127 A CN 201310191127A CN 103280376 A CN103280376 A CN 103280376A
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- temperature
- splicing ear
- reed
- sensitive
- pedestal
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Abstract
The invention discloses an ultra-small sealing temperature controller, which comprises two connecting terminals, a cover plate and a dual metal sheet, wherein the two connecting terminals are arranged in a base. The ultra-small sealed temperature controller is characterized in that a static contact is welded at one end of one connecting terminal; the other connecting terminal is provided with a reed; a movable contact is welded at one end of the reed; one end of the dual metal sheet is fixedly arranged on the inner cavity of the base; the circular arc top of the dual metal sheet is contacted with a convex hull of the cover plate; the other end of the dual metal sheet is arranged above the reed; and the movable contact and the static contact are switched on or switched off to constitute a temperature control protection circuit. Compared with the prior art, the ultra-small sealed constant-temperature controller has the advantages of sensitive and accurate switching-on and switching-off actions, high airtightness, capability of working in a wet or corrosive environment for a long time, simple structure, small size, low manufacturing cost, and particular suitability for thermal protection of multiple types of small-sized electronic control equipment.
Description
Technical field
The present invention relates to the electric components technical field, especially a kind of microminiature seal temperature controller that is applicable to Industry Control and overtemperature protection in the wet environment.
Background technology
Temperature controller is widely used in various Industry Control and the overtemperature protection in fields such as computer chip, automation equipment, automotive control system.When the long-term work, the chip of computer can persistent fever as computer, when temperature surpasses its maximum operation (service) temperature, is installed in temperature controller on the computer chip and will controls computer and quit work, and in time protects computer chip, prevents the too high and damage equipment of temperature.In automotive control system, parts such as the fuel tank of automobile, water tank, engine, all unusual condition may appear in the course of the work, the too high meeting of temperature causes engine to damage even breaking out of fire, the temp control switch that is installed on these parts just can be sensed ambient temperature timely, and feed back to the operating system of automobile, remind the driver in time to fix a breakdown.On some automation equipments, in the time of need carrying out some operation according to variations in temperature, also need to install temperature controller, when detecting a certain design temperature, equipment is just carried out corresponding action.
The operation principle of temperature controller is the heating position of equipment that the temperature-sensitive face of controller is installed on; two pins of thermostat are connected in the control circuit; when the temperature of equipment surpasses set point; kick will take place in the temperature-sensitive element of thermostat immediately; produce a make-and-break signal to circuit; control circuit is made corresponding instruction immediately, to reach control or the protective effect to equipment.
Along with the continuous development of electronic technology, electronic equipment progressively turns to the high-density and superminiature direction to develop, and increasing electronic equipment volume is constantly reducing, and this just requires the various control element volumes of equipment littler, and performance is more reliable.And as purposes temperature control component very widely, also certainly will need to adapt to microminiature, highly reliable requirement.In addition, a lot of temperature controllers need use under humidity, aggressive atmosphere environment, and as fields such as outdoor oil field, ship's fittings, this just needs temperature controller that excellent sealing performance can be arranged.
The temperature controller of prior art is of a great variety, but most of small product size is all at 2000mm
3More than, and do not possess good airtight performance, much there are being requirement or the use of the electronic equipment in wet environment to be very restricted to overall volume.At present, the temperature controller that possesses airtight performance mostly adopts technological design and the structure of metal shell and glass sintering, causes cost of goods manufactured too high, and volume is bigger, and the application scenario is very limited.
Summary of the invention
The objective of the invention is a kind of microminiature seal temperature controller of designing at the deficiencies in the prior art; adopt moving contact and the crimping of fixed contact elasticity of bimetal leaf and reed structure to constitute the temperature control protective circuit; being active in one's movements of closed and disconnected, accurately; and good seal performance; but long-term work is simple in structure under humidity or corrosive environment, and volume is little; low cost of manufacture is particularly useful for the heat protection of multiple miniaturization electronics control appliance.
The object of the present invention is achieved like this: a kind of microminiature seal temperature controller, comprise in the airtight chamber of pedestal and mounting panel clamping being provided with A splicing ear, B splicing ear and temperature-sensitive temperature-sensitive element, be characterized in that described A splicing ear is the electrical connection plug-in unit of end welding fixed contact; Described B splicing ear is the electrical connection plug-in unit that an end is provided with reed, and reed is " V " with the B splicing ear and fixedlys connected; Described reed one end welding moving contact, its other end is that cantilever design is connected with the B splicing ear; Described temperature-sensitive temperature-sensitive element is two kinds of rectangle arc plates that different coefficient of expansion sheet metals are compound; Described pedestal is the electrical equipment box that is provided with the step inner chamber body, and snapping is provided with the cover plate of convex closure on the inner chamber body, and cover plate and inner chamber body are interference fit; Described A splicing ear and B splicing ear are fixed on the inner chamber body step at the bottom of the pedestal for the inserts injection moulding, and its pin one end stretches out outside the pedestal box; Temperature-sensitive temperature-sensitive element one end is fixed on the step of inner chamber body of pedestal; its circular arc top contacts with convex closure; the temperature-sensitive temperature-sensitive element other end is arranged on the reed top that is provided with moving contact; its moving contact and fixed contact are closed or disconnect formation temperature control protective circuit, and the mounting panel setting is on the cover board by epoxy sealing glue and pedestal sealing snapping.
Described cover plate is provided with louvre.
The present invention compared with prior art has being active in one's movements of moving contact and fixed contact closed and disconnected, accurately; good seal performance; but long-term work is under humidity or corrosive environment; and it is simple in structure; volume is little, and low cost of manufacture is particularly useful for the heat protection of multiple miniaturization electronics control appliance; place in circuit is installed and changes very convenient quickly and easily.
Description of drawings
Fig. 1 is structural representation of the present invention
Fig. 2 assembles schematic diagram for the present invention
Fig. 3 is the profile of the A-A of Fig. 1
Fig. 4 is the covering plate structure schematic diagram
Fig. 5 is the B-B end view of Fig. 4.
Embodiment
The present invention is such installation, use: be that the temperature-sensitive face is fitted and to be installed on the heat generating components of equipment with mounting panel 4 of the present invention, A link 10 and B splicing ear 11 are serially connected in the control circuit of equipment.
Under initial condition; current path of closure state formation that temperature-sensitive temperature-sensitive element 2 is in contact with one another by descending making leaf spring 6 that moving contact 7 and fixed contact 9 are in; when unit exception is worked; mounting panel 4 is given in equipment unit heating and conduction; heat is delivered to following temperature-sensitive temperature-sensitive element 2 by cover plate 3; the bimetal leaf of temperature-sensitive temperature-sensitive element 2 will bend at this moment; when the temperature of induction surpasses a certain set point; its bimetal leaf of pushing down reed 6 one ends kick that will make progress; the circular arc top of convex closure 31 and temperature-sensitive temperature-sensitive element 2 on the cover plate 3 is disengaged; the upwards bounce-back under flexible effect of reed 6 this moment makes moving contact 7 and fixed contact 9 disconnections that are in contact condition originally or the signal that forms a break-make offer the protection that device-dependent control circuit carries out equipment.When the equipment heating part temperatures is got back to the initialization temperature, because reducing heat, temperature scatters and disappears, the kick reinstatement can take place in temperature-sensitive temperature-sensitive element 2, reed 6 is subjected to the extruding of temperature-sensitive temperature-sensitive element 2, make moving contact 7 and fixed contact 9 be returned to initial closure state, the moving contact 7 of this moment is closed again with fixed contact 9, and circuit is conducting again.
More than just the present invention is further illustrated, is not in order to limit this patent, all for the present invention's equivalence enforcement, all should be contained within the claim scope of this patent.
Claims (2)
1. microminiature seal temperature controller comprises in the airtight chamber of pedestal and mounting panel clamping being provided with A splicing ear, B splicing ear and temperature-sensitive temperature-sensitive element, it is characterized in that described A splicing ear is the electrical connection plug-in unit of end welding fixed contact; Described B splicing ear is the electrical connection plug-in unit that an end is provided with reed, and reed is " V " with the B splicing ear and fixedlys connected; Described reed one end welding moving contact, its other end is that cantilever design is connected with the B splicing ear; Described temperature-sensitive temperature-sensitive element is two kinds of rectangle arc plates that different coefficient of expansion sheet metals are compound; Described pedestal is the electrical equipment box that is provided with the step inner chamber body, and snapping is provided with the cover plate of convex closure on the inner chamber body, and cover plate and inner chamber body are interference fit; Described A splicing ear and B splicing ear are fixed on the inner chamber body step at the bottom of the pedestal for the inserts injection moulding, and its pin one end stretches out outside the pedestal box; Temperature-sensitive temperature-sensitive element one end is fixed on the inner chamber body step of pedestal; its circular arc top contacts with convex closure; the temperature-sensitive temperature-sensitive element other end is arranged on the reed top that is provided with moving contact; its moving contact and fixed contact are closed or disconnect formation temperature control protective circuit, and the mounting panel setting is on the cover board by epoxy sealing glue and pedestal sealing snapping.
2. according to the described microminiature seal temperature of claim 1 controller, it is characterized in that described cover plate is provided with louvre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101911271A CN103280376A (en) | 2013-05-22 | 2013-05-22 | Ultra-small sealing temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101911271A CN103280376A (en) | 2013-05-22 | 2013-05-22 | Ultra-small sealing temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103280376A true CN103280376A (en) | 2013-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101911271A Pending CN103280376A (en) | 2013-05-22 | 2013-05-22 | Ultra-small sealing temperature controller |
Country Status (1)
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| CN (1) | CN103280376A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355509A (en) * | 2015-12-04 | 2016-02-24 | 中国电子科技集团公司第四十研究所 | Pin terminal type precision constant temperature relay |
| CN106960761A (en) * | 2017-05-05 | 2017-07-18 | 佛山市川东磁电股份有限公司 | A kind of temperature controller structure for being easy to be miniaturized |
| CN108231478A (en) * | 2017-12-29 | 2018-06-29 | 中国电子科技集团公司第四十研究所 | A kind of resistance to environment sealing microminiature thermostat relay |
| CN109240363A (en) * | 2018-10-31 | 2019-01-18 | 慈溪市凯达温控器有限公司 | A kind of bimetal chip thermostat with overtemperature protection system |
| CN109597444A (en) * | 2018-11-14 | 2019-04-09 | 宁波极航电器有限公司 | A kind of safety temperature adjusting switch |
| CN110242195A (en) * | 2019-06-05 | 2019-09-17 | 江苏二十六度节能科技有限公司 | A kind of electronic built-in sunshade hollow glass product with Thermal protection |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5847637A (en) * | 1995-08-30 | 1998-12-08 | Uchiya Thermostat Co., Ltd. | Thermally responsive switch with a magnetic member |
| CN101814397A (en) * | 2009-02-23 | 2010-08-25 | 金坛市和阳温控器厂 | Temperature controller with high reliability and long service life |
| CN202855637U (en) * | 2012-11-06 | 2013-04-03 | 常州市常宏同力电器有限公司 | Miniature thermal protector |
-
2013
- 2013-05-22 CN CN2013101911271A patent/CN103280376A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5847637A (en) * | 1995-08-30 | 1998-12-08 | Uchiya Thermostat Co., Ltd. | Thermally responsive switch with a magnetic member |
| CN101814397A (en) * | 2009-02-23 | 2010-08-25 | 金坛市和阳温控器厂 | Temperature controller with high reliability and long service life |
| CN202855637U (en) * | 2012-11-06 | 2013-04-03 | 常州市常宏同力电器有限公司 | Miniature thermal protector |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355509A (en) * | 2015-12-04 | 2016-02-24 | 中国电子科技集团公司第四十研究所 | Pin terminal type precision constant temperature relay |
| CN105355509B (en) * | 2015-12-04 | 2017-09-19 | 中国电子科技集团公司第四十研究所 | Pin terminal formula exact constant temperature relay |
| CN106960761A (en) * | 2017-05-05 | 2017-07-18 | 佛山市川东磁电股份有限公司 | A kind of temperature controller structure for being easy to be miniaturized |
| CN106960761B (en) * | 2017-05-05 | 2018-12-11 | 佛山市川东磁电股份有限公司 | A kind of temperature controller structure convenient for micromation |
| CN108231478A (en) * | 2017-12-29 | 2018-06-29 | 中国电子科技集团公司第四十研究所 | A kind of resistance to environment sealing microminiature thermostat relay |
| CN109240363A (en) * | 2018-10-31 | 2019-01-18 | 慈溪市凯达温控器有限公司 | A kind of bimetal chip thermostat with overtemperature protection system |
| CN109597444A (en) * | 2018-11-14 | 2019-04-09 | 宁波极航电器有限公司 | A kind of safety temperature adjusting switch |
| CN109597444B (en) * | 2018-11-14 | 2021-08-27 | 宁波极航电器有限公司 | Safety temp. regulating switch |
| CN110242195A (en) * | 2019-06-05 | 2019-09-17 | 江苏二十六度节能科技有限公司 | A kind of electronic built-in sunshade hollow glass product with Thermal protection |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130904 |