CN202058642U - Temperature controller with guide seat in hollow-out structure - Google Patents
Temperature controller with guide seat in hollow-out structure Download PDFInfo
- Publication number
- CN202058642U CN202058642U CN2011200851744U CN201120085174U CN202058642U CN 202058642 U CN202058642 U CN 202058642U CN 2011200851744 U CN2011200851744 U CN 2011200851744U CN 201120085174 U CN201120085174 U CN 201120085174U CN 202058642 U CN202058642 U CN 202058642U
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- CN
- China
- Prior art keywords
- guide holder
- temperature controller
- hollow
- guide seat
- temperature
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- Expired - Lifetime
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- Control Of Temperature (AREA)
Abstract
The utility model discloses a temperature controller with a guide seat in a hollow-out structure, which comprises a shell, a fixed contact, a movable contact, the guide seat, a pushing rod, a dished bimetallic sheet and a sealing cover, wherein the fixed contact and the movable contact are fixed in an inner cavity of the shell, the center of the guide seat is provided with a guide hole, the pushing rod penetrates through the guide hole and is capable of pushing connection and disconnection of the fixed contact with the movable contact, the dished bimetallic sheet is used for pushing the pushing rod through thermal deformation, and the guide seat is designed into a seat body with a hollow-out area besides the guide hole. Since the guide seat is designed into a hollow-out structure, the volume of a heat absorber is obviously decreased, heat loss of the dished bimetallic sheet is reduced, more heat is concentrated on the dished bimetallic sheet, the temperature controller is rapid in temperature rise and snap action, heat convection inside the temperature controller is benefited, and the temperature rise and snap action of the dished bimetallic sheet are accelerated. Compared with a snap-action temperature controller with a bimetallic sheet, the temperature controller is rapider in temperature sensing speed and higher in sensitivity, so that precision of temperature control of the temperature controller is improved.
Description
Technical field
The utility model relates to the thermostat technical field, relates in particular to the bimetal leaf Kick type temperature controller.
Background technology
At present, known bimetal leaf Kick type temperature controller is by the butterfly shaped dual metal sheet reversal deformation that is heated, and promotes catch bar, promotes to connect the reed of moving contact by catch bar, realizes moving contact and the break-make of deciding contact.Catch bar is directed the moving of the interior work of pilot hole that cover is through guide holder.Usually guide holder is except that pilot hole, and remainder is an entity.Still there are shortcomings such as the temperature-sensitive responsiveness is slow, poor sensitivity in existing bimetal leaf Kick type temperature controller, often need wait for that long heat absorption time thermostat could kick move, cause equipment heating parts ambient temperature on every side to be higher than the temperature that thermostat is controlled, the thermostat of some high-power firing equipments particularly, temperature-sensitive speed obviously lags behind by control, quickened the aging of equipment component, the useful life of direct reduction equipment, serious even generation that can cause fire incident.
The utility model content
The technical problems to be solved in the utility model provides a kind of temperature-sensitive quick action, highly sensitive bimetal leaf Kick type temperature controller.
The technical scheme that adopts for solving the problems of the technologies described above: a kind of thermostat with engraved structure guide holder, include shell, be fixed on deciding guide holder that contact and moving contact, center be provided with pilot hole, passing that described pilot hole can promote describedly to decide the catch bar of contact and described moving contact break-make, butterfly shaped dual metal sheet and the capping that temperature distortion promotes described catch bar formed of described shell inner cavity, it is characterized in that: described guide holder is set as the pedestal that has the hollow out zone except that pilot hole.Decide contact and moving contact, hollow out guide holder, catch bar and the butterfly shaped dual metal sheet shell inner cavity of packing into successively, then with capping cap seal and fixing.That generates heat is at first passed to heat capping or directly passes to butterfly shaped dual metal sheet by control, and then passes to other parts of thermostat, that is to say that other parts have become absorber.And heat and volume that object absorbs are directly proportional, guide holder is set as engraved structure, has clearly reduced the volume of absorber, also just reduced scattering and disappearing of butterfly shaped dual metal sheet heat, make more heat concentrate on butterfly shaped dual metal sheet, allow the thermostat kick that is rapidly heated.Also have the guide holder of engraved structure to help the inner formation of thermostat thermal convection, the hollow hole that makes heat pass guide holder directly passes to the back side of butterfly shaped dual metal sheet, accelerates the intensification kick of butterfly shaped dual metal sheet.And the entity structure guide holder of traditional thermostat forms a relative airtight space with the back side of butterfly shaped dual metal sheet, does not form thermal convection, and the intensification of the butterfly shaped dual metal sheet back side relatively lags behind and influences its programming rate.
In order to promote temperature-sensitive speed and the sensitivity with engraved structure guide holder thermostat to a greater degree, the greatest limit of described guide holder hollow out zone proportion is as the criterion not destroy its rigidity pedestal.
Can be preferably, described guide holder is evenly laid the hollow hole of different shape around described pilot hole.
After adopting the utility model, contrast existing bimetal leaf Kick type temperature controller, have the sensitivity of temperature-sensitive speed and Geng Gao faster, allow thermostat can be in the shortest time temperature-sensitive kick, in time, promptly cut off device power supply (DPS), improve the accuracy of thermostat control temperature.
Description of drawings
Fig. 1 is the exploded structural representation that the utlity model has the thermostat of engraved structure guide holder (wherein decides contact and moving contact is undecomposed);
Fig. 2 is the guide holder structural representation that the utlity model has the thermostat of engraved structure guide holder.
Embodiment
As shown in Figure 1, 2, a kind of thermostat with engraved structure guide holder, include shell 1, be fixed on deciding ceramic guide holder 2 that contact and moving contact (this is common structure, omits among the figure), center be provided with pilot hole 21, passing the catch bar 3 that pilot hole 21 can promote to decide contact and moving contact break-make, butterfly shaped dual metal sheet 4 and capping 5 compositions that temperature distortion promotes catch bar 3 of shell 1 inner chamber.Guide holder 2 is set as the pedestal that has the hollow out zone except that pilot hole 21, the greatest limit of guide holder 2 hollow outs zone proportion is as the criterion not destroy its rigidity pedestal, as preferred present embodiment, guide holder 2 is evenly laid the hollow hole 22 of different shape around pilot hole 21.Decide contact and moving contact, hollow out guide holder 2, catch bar 3 and butterfly shaped dual metal sheet 4 shell 1 inner chamber of packing into successively, then with capping 5 cap seals and fixing.
Claims (3)
1. thermostat with engraved structure guide holder, include shell, be fixed on deciding guide holder that contact and moving contact, center be provided with pilot hole, passing that pilot hole can promote describedly to decide the catch bar of contact and described moving contact break-make, butterfly shaped dual metal sheet and the capping that temperature distortion promotes described catch bar formed of described shell inner cavity, it is characterized in that: described guide holder is set as the pedestal that has the hollow out zone except that pilot hole.
2. a kind of thermostat with engraved structure guide holder as claimed in claim 1 is characterized in that: described guide holder is evenly laid hollow hole around described pilot hole.
3. a kind of thermostat with engraved structure guide holder as claimed in claim 1 or 2 is characterized in that: described guide holder is ceramic or plasthetics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200851744U CN202058642U (en) | 2011-03-28 | 2011-03-28 | Temperature controller with guide seat in hollow-out structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200851744U CN202058642U (en) | 2011-03-28 | 2011-03-28 | Temperature controller with guide seat in hollow-out structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202058642U true CN202058642U (en) | 2011-11-30 |
Family
ID=45018608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200851744U Expired - Lifetime CN202058642U (en) | 2011-03-28 | 2011-03-28 | Temperature controller with guide seat in hollow-out structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202058642U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683108A (en) * | 2012-05-28 | 2012-09-19 | 亮群电子（常熟）有限公司 | Temperature controller with slot structure guide frame |
| CN110954211A (en) * | 2019-11-19 | 2020-04-03 | 南华大学 | Absolute radiometer thermal link capable of improving on-orbit measurement sampling rate |
-
2011
- 2011-03-28 CN CN2011200851744U patent/CN202058642U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683108A (en) * | 2012-05-28 | 2012-09-19 | 亮群电子（常熟）有限公司 | Temperature controller with slot structure guide frame |
| CN110954211A (en) * | 2019-11-19 | 2020-04-03 | 南华大学 | Absolute radiometer thermal link capable of improving on-orbit measurement sampling rate |
| CN110954211B (en) * | 2019-11-19 | 2021-11-30 | 南华大学 | Absolute radiometer thermal link capable of improving on-orbit measurement sampling rate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111130 |