CN203721632U - Rotary vane type automatic reset temperature controller - Google Patents
Rotary vane type automatic reset temperature controller Download PDFInfo
- Publication number
- CN203721632U CN203721632U CN201420075587.8U CN201420075587U CN203721632U CN 203721632 U CN203721632 U CN 203721632U CN 201420075587 U CN201420075587 U CN 201420075587U CN 203721632 U CN203721632 U CN 203721632U
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- hard magnetic
- thermostat
- soft magnetism
- vane type
- rotary vane
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Abstract
The utility model discloses a rotary vane type automatic reset temperature controller comprising a housing, a soft magnetic element which is arranged in the housing and used to sense the external temperature and a hard magnetic element which works in a manner that the hard magnetic element is matched with the soft magnetic element. The rotary vane type automatic reset temperature controller further comprises a conductive structure and a rotation shaft. One end of the rotation shaft is embedded into the hard magnetic element, and the other end of the rotation shaft is provided with a cam. The conductive structure comprises an elastic structure. The cam and the elastic structure are arranged in a matched manner. The soft magnetic element is used to sense the external temperature and drive the rotation of the hard magnetic element according to the external temperature to drive the rotation of the rotation shaft, and the cam fixed on one end of the rotation shaft is rotated and acted in a manner that the cam is matched with the elastic structure to control the switch-on or switch-off of the temperature controller. The temperature controller structure of the utility model is different from a conventional temperature controller in that a certain space needs to be reserved for the up-and-down movement of a movable shaft. The rotary temperature controller of the utility model is more miniature than a conventional temperature controller, the structure is more compact and practical, and safety, reliability and miniaturization requirements of household electrical appliances on the temperature controller can be fully satisfied.
Description
Technical field
The utility model relates to a kind of thermostat, in particular a kind of rotary vane type thermostat that automatically resets.
Background technology
Temp sensing controller (abbreviation thermostat) is a kind ofly by temperature, respond to or encourage senser to realize the electrical equipment automatic control device that connecting and disconnecting of the circuit is controlled, and due to technology maturation, is widely used in household appliance.And along with the volume of household appliance is more and more less, to the microminiaturization of thermostat, require also more and more higher.How to guarantee that under the condition of thermostat job stability, the microminiaturization that realizes thermostat is an important research direction of thermostat technology.
Have on the market the thermostat of various structures, but these thermostats mostly are the thermostat of axial action.So-called axial action, utilize the permeability of soft magnetism to vary with temperature, in conjunction with Hard Magnetic and transmission mechanism, in axial direction promote metal spring leaf, make thermostat closure or disconnect (for example micro temperature-sensitive magnetic control switch in the patent of invention of the patent No. 201110187312.4).The thermostat of this axial action is because movable axis need to move vertically, therefore in thermostat inside, be necessary for the reserved certain activity space (actuating length) of movable axis, the length (highly) of the thermostat that this structure has directly increased, increase the volume of thermostat, described in < < temperature-sensitive magnetic-control switch miniaturization structure design and application > > literary composition, be limited to the height dimension of existing temperature-sensitive magnetic-control switch, at the electric cooker that is designed to side installation thermostat, cannot realize alternate application at present.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The purpose of this utility model is to provide a kind of rotary vane type thermostat that automatically resets, and the thermostat size that is intended to solve traditional axial action is higher, the technical problem of further carrying out the microminiaturized improved specification requirement of thermostat.Meanwhile, because the distance between temperature sensitive magnet and hard magnetic body is little, the action of thermostat is more reliable and more stable.
The technical solution of the utility model is as follows: a kind of rotary vane type thermostat that automatically resets, comprise shell, be placed in shell and respond to ambient temperature soft magnetism and with the Hard Magnetic of soft magnetism cooperating, wherein, also comprise conductive structure and rotating shaft, it is inner that described rotating shaft one end embeds Hard Magnetic, and the rotating shaft other end is provided with cam; Described conductive structure comprises elastic construction, and described cam and elastic construction are equipped with;
Described soft magnetism induction ambient temperature also drives Hard Magnetic rotation according to ambient temperature, and driven rotary axle rotates, and the cam that is fixed on rotating shaft one end rotates and elastic construction interoperation, controls thermostat closure or disconnects.
The described rotary vane type thermostat that automatically resets, wherein, described soft magnetism and shell are fixedly installed, and Hard Magnetic is placed in enclosure, is positioned at soft magnetism bottom, and described Hard Magnetic plane axial rotation arranges.
The described rotary vane type thermostat that automatically resets, wherein, arc surface is all arranged in the two sides of described soft magnetism and Hard Magnetic.
The described rotary vane type thermostat that automatically resets, wherein, also comprises the resident body that Hard Magnetic is played to resident effect, and described resident body is arranged on soft magnetism end.
The described rotary vane type thermostat that automatically resets, wherein, also comprises Hard Magnetic radome, and described Hard Magnetic radome is arranged to groove shape, and Hard Magnetic embeds in the groove of Hard Magnetic radome fixing.
The described rotary vane type thermostat that automatically resets, wherein, described elastic construction comprises spring or shell fragment.
The described rotary vane type thermostat that automatically resets, wherein, described conductive structure comprises two terminals that minute are arranged, one of them connecting terminals is connected to quiet conducting strip, another one connecting terminals is connected to the elastic construction being equipped with cam, described elastic construction is electroconductive elastic sheet, on described quiet conducting strip, is provided with fixed contact, is provided with moving contact on electroconductive elastic sheet; Described rotating shaft rotates band moving cam and rotates, and with electroconductive elastic sheet interoperation, makes moving contact contact with fixed contact or disconnect.
The described rotary vane type thermostat that automatically resets, wherein, the contact position of described electroconductive elastic sheet and cam is provided with baffle plate.
The described rotary vane type thermostat that automatically resets, wherein, described rotating shaft is arranged to polygon prism shape, and rotating shaft embeds Hard Magnetic center, is fixedly installed with Hard Magnetic.
The described rotary vane type thermostat that automatically resets, wherein, also comprises the soft magnetism stator being fixedly installed with shell, and described soft magnetism is arranged on soft magnetism stator, and described Hard Magnetic is placed in soft magnetism stator bottom; Described soft magnetism stator bottom is provided with semicircle shrinkage pool, and described rotating shaft top is provided with the alignment pin mating with semicircle shrinkage pool, and described rotating shaft passes Hard Magnetic, and alignment pin embeds the setting of semicircle shrinkage pool.
The beneficial effects of the utility model: the utility model discloses a kind of Noval temp .-control structure, soft magnetism is fixed in shell, Hard Magnetic plane axial rotation is arranged on soft magnetism below, it is inner that rotating shaft embeds Hard Magnetic, the cam of rotating shaft one end and conductive structure interoperation, realizing electrical equipment is switched on or switched off: soft magnetism induction ambient temperature, and (when temperature is low, soft magnetism attracts Hard Magnetic, and both positions overlap according to ambient temperature, to drive Hard Magnetic action; When temperature is high, soft magnetism discharges Hard Magnetic, and both separately form chi structure), driven rotary axle rotates, and is fixed on cam and conductive structure (elastic construction) interoperation of rotating shaft one end, controls thermostat closure or disconnects.Due to rotational structure and unlike traditional thermostat, it need to be the reserved certain stroke of movable axis knee-action space, this rotary type thermostat of the present utility model is than traditional thermostat more miniature (having reduced outward appearance height), the compacter practicality of structure, switch motion is more stable and rapid, extremely meets the requirement of household appliance to thermostat microminiaturization.
Accompanying drawing explanation
Fig. 1 is the automatically reset overall structure schematic diagram of thermostat of the utility model rotary vane type.
Fig. 2 is the automatically reset internal structure schematic diagram of thermostat of the utility model rotary vane type.
Fig. 3 is the structural representation of soft magnetism and Hard Magnetic.
Fig. 4 is the structural representation of rotating shaft.
Fig. 5 is the structural representation of conductive structure.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, clear and definite, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.
The utility model discloses a kind of rotary vane type thermostat that automatically resets, its overall structure schematic diagram as shown in Figure 1, comprises shell 100, be placed in shell 100 and respond to ambient temperature soft magnetism 200 and with the Hard Magnetic 300 of soft magnetism 200 cooperatings.Shown in Fig. 2, this thermostat also comprises that conductive structure and one end embed the rotating shaft 400 of Hard Magnetic 300.Wherein, the concrete structure of conductive structure as shown in Figure 5, comprise two terminals 510 that minute are arranged, one of them terminal 510 is connected with quiet conducting strip 520, another one terminal 510 is connected with the elastic construction being equipped with cam 410, and in this embodiment, elastic construction is electroconductive elastic sheet 530, on quiet conducting strip 520, be provided with fixed contact 521, on electroconductive elastic sheet 530, be provided with moving contact 531; Rotating shaft 400 rotates band moving cam 410 and rotates, and with electroconductive elastic sheet 530 interoperations, makes moving contact 531 contact with fixed contact or disconnect.
The manner of execution of the thermostat of this embodiment is as follows: during initial condition, and soft magnetism 200 and Hard Magnetic 300 stacked (referring to Fig. 3) arranged in a crossed manner, now soft magnetism loses magnetism, and the state of cam 410 and electroconductive elastic sheet is as shown in Figure 5; Soft magnetism 200 induction ambient temperatures, when ambient temperature reduces gradually, soft magnetism 200 magnetic are slowly recovered, Hard Magnetic 300 is produced to suction-operated, impel Hard Magnetic 300 to rotate and overlap with soft magnetism 200, Hard Magnetic 300 rotates driven rotary axle 400 and rotates, be fixed on the cam of rotating shaft 400 one end now under the drive of rotating shaft 400, swing (referring to Fig. 5) jack-up electroconductive elastic sheet 530 to the right, moving contact 531 is contacted with fixed contact 521, thermostat is connected (now deformation occurs electroconductive elastic sheet 530).When ambient temperature raises gradually, soft magnetism 200 slowly loses magnetism, absorption affinity to Hard Magnetic 300 diminishes, until this absorption affinity is not enough to maintain the on-state of thermostat, the electroconductive elastic sheet 530 that is now in deformation recovers deformation, when the elastic force of electroconductive elastic sheet 530 recovery deformation is greater than the absorption affinity of Hard Magnetic and soft magnetism, cam 410 will be promoted to turn left by moment, now rotating shaft 400 rotates, and Hard Magnetic 300 rotates the state as shown in Figure 3 that returns to, and now thermostat disconnects.
Main feature of the present utility model is: utilize soft magnetism 200 attract or discharge Hard Magnetic 300, coordinate with electroconductive elastic sheet 530, make temperature control realize the structure that is switched on or switched off manner of execution and realizes this manner of execution.The utility model, by adopting the movement structure of this rotary type, has been saved the activity space of movable axis, has directly reduced the height of thermostat, realizes the microminiaturization of thermostat, meanwhile, has promoted the stability of thermostat, reliability.
In the present embodiment, arc surface (referring to Fig. 3) is all arranged in the two sides of soft magnetism 200 and Hard Magnetic 300.In practical application, shell 100 can be arranged to cylindrical, and shell 100 inwalls are arcwall face, arc surface is all arranged to in the two sides of soft magnetism 200 and Hard Magnetic 300 and is conducive to coordinate with the inwall of shell 100, improves the stability that Hard Magnetic 300 rotates.
Further, as shown in Figure 1, Figure 2 and Figure 3, the end of soft magnetism 200 is provided with the resident body 600 of concentrating magnetic force.Because the magnetic of soft magnetism 200 is to change according to the variation of ambient temperature, when ambient temperature changes when rapid, the heat treatment of soft magnetism 200 is fast, make thermostat to be switched on or switched off action unstable, there is potential safety hazard.Arranging of resident body 600 can make thermostat action of the present utility model efficiently, makes the rotation of Hard Magnetic 300, being switched on or switched off of electroconductive elastic sheet 530 have mutability, is conducive to improve the safety and stability of thermostat action.In practical application, can utilize for resident 600 the metal with good magnetic conductivity to make, 300 pairs of resident bodies 600 of Hard Magnetic have certain absorption affinity, the elastic force that this absorption affinity produces while being less than electroconductive elastic sheet largest deformation, add the operating mechanism of the thermostat after resident body 600 as follows: (now soft magnetism 200 is coincidence status with Hard Magnetic 300 when soft magnetism 200 temperature raise, thermostat is in closure state), attraction between soft magnetism and Hard Magnetic progressively reduces, electroconductive elastic sheet 530 is in deformed state, there is the trend of recovering deformation and forcing Hard Magnetic rotation, now because Hard Magnetic exists absorption affinity to retention body 600, electroconductive elastic sheet 530 cannot promote Hard Magnetic rotation, As time goes on, temperature constantly raises, reach sometime, the elastic force that electroconductive elastic sheet 530 recovers deformation is greater than total attraction of 300 pairs of soft magnetisms 200 of Hard Magnetic and resident 600, 300 moments of Hard Magnetic are shaken off out the attraction that soft magnetism 200 and retention body 600 are made a concerted effort, the rotation of the formula of undergoing mutation, thermostat is disconnected.When temperature declines, the course of action of thermostat can be analogized according to above-mentioned course of action, is not therefore here described in detail.
Further, the disclosed thermostat of the utility model also comprises Hard Magnetic radome 700, and Hard Magnetic radome 700 utilizes the metal with good magnetic conductivity to make, and is arranged to groove shape, in the groove of Hard Magnetic 300 embedding Hard Magnetic radomes 700 fixing (referring to Fig. 3).Arranging of Hard Magnetic radome 700 can be played the effect of concentrating magnetic force, is conducive to improve the sensitivity of thermostat action.
Further, in order to guarantee that rotating shaft 400 promotes electroconductive elastic sheet 530 and makes moving contact 531 contact the stability of This move with fixed contact 521, electroconductive elastic sheet 530 is provided with baffle plate 532.Arranging of baffle plate 523 limited the amplitude that Hard Magnetic rotates, and improved the reliability of thermostat action.
Further, be fixedly installed soft magnetism stator 110 in shell 100, soft magnetism 200 is fixedly installed on shell 100 tops by soft magnetism stator 110, and Hard Magnetic 300 is placed in soft magnetism stator 110 bottoms (referring to Fig. 2); Soft magnetism stator 110 bottoms are provided with semicircle shrinkage pool 111, and connecting axle 420 one end are provided with the hemisphere alignment pin 430 mating with semicircle shrinkage pool 111, and connecting axle 420 passes Hard Magnetic 300, and alignment pin 430 embeds in semicircle shrinkage pool 111 (referring to Fig. 2).Alignment pin 430 is equipped with semicircle shrinkage pool 111, is convenient on the one hand the assembling of thermostat, improves packaging efficiency; On the other hand, alignment pin 430 is arranged to hemisphere, can effectively reduce the friction of alignment pin 430 and semicircle shrinkage pool 111 inwalls.
The utility model does not limit shape and the concrete set-up mode of soft magnetism 200 and Hard Magnetic 300, when reality is used, as long as can realize soft magnetism 200, impel the set-up mode of Hard Magnetic 300 rotations to be all applicable to the utility model, for example, the shape of soft magnetism and Hard Magnetic can be arranged to the shapes such as petal, cross.
In addition, the utility model does not limit the concrete set-up mode of conductive structure yet, as long as conductive structure can coordinate Hard Magnetic, soft magnetism and rotating shaft to realize switching on and off of thermostat, is all applicable to the utility model.Further, the elastic construction of conductive structure inside can adopt spring or shell fragment.
The utility model discloses a kind of Noval temp .-control structure, soft magnetism is fixed in shell, Hard Magnetic plane axial rotation is arranged on soft magnetism below, it is inner that rotating shaft embeds Hard Magnetic, the cam of rotating shaft one end and conductive structure interoperation, realizing electrical equipment is switched on or switched off: soft magnetism induction ambient temperature, and (when temperature is low, soft magnetism attracts Hard Magnetic, and both positions overlap according to ambient temperature, to drive Hard Magnetic action; When temperature is high, soft magnetism discharges Hard Magnetic, and both separately form chi structure), driven rotary axle rotates, and is fixed on cam and conductive structure (elastic construction) interoperation of rotating shaft one end, controls thermostat closure or disconnects.Due to rotational structure and unlike traditional thermostat, it need to be the reserved certain stroke of movable axis knee-action space, this rotary type thermostat of the present utility model is than traditional thermostat more miniature (having reduced outward appearance height), the compacter practicality of structure, switch motion is more stable and rapid, extremely meets the requirement of household appliance to thermostat microminiaturization.
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example; for those of ordinary skills, can be improved according to the above description or convert, all these improvement and conversion all should belong to the protection range of the utility model claims.
Claims (10)
1. the rotary vane type thermostat that automatically resets, comprises shell, be placed in shell and respond to ambient temperature soft magnetism and with the Hard Magnetic of soft magnetism cooperating, it is characterized in that, also comprise conductive structure and rotating shaft, it is inner that described rotating shaft one end embeds Hard Magnetic, and the rotating shaft other end is provided with cam; Described conductive structure comprises elastic construction, and described cam and elastic construction are equipped with;
Described soft magnetism induction ambient temperature also drives Hard Magnetic rotation according to ambient temperature, and driven rotary axle rotates, and the cam that is fixed on rotating shaft one end rotates and elastic construction interoperation, controls thermostat closure or disconnects.
2. the rotary vane type according to claim 1 thermostat that automatically resets, is characterized in that, described soft magnetism and shell are fixedly installed, and Hard Magnetic is placed in enclosure, is positioned at soft magnetism bottom, and described Hard Magnetic plane axial rotation arranges.
3. the rotary vane type according to claim 2 thermostat that automatically resets, is characterized in that, arc surface is all arranged in the two sides of described soft magnetism and Hard Magnetic.
4. the rotary vane type according to claim 2 thermostat that automatically resets, is characterized in that, also comprise the resident body that Hard Magnetic is played to resident effect, described resident body is arranged on soft magnetism end.
5. the rotary vane type according to claim 2 thermostat that automatically resets, is characterized in that, also comprise Hard Magnetic radome, described Hard Magnetic radome is arranged to groove shape, and Hard Magnetic embeds in the groove of Hard Magnetic radome fixing.
6. the rotary vane type according to claim 1 and 2 thermostat that automatically resets, is characterized in that, described elastic construction comprises spring or shell fragment.
7. the rotary vane type according to claim 6 thermostat that automatically resets, it is characterized in that, described conductive structure comprises two terminals that minute are arranged, one of them connecting terminals is connected to quiet conducting strip, another one connecting terminals is connected to the elastic construction being equipped with cam, described elastic construction is electroconductive elastic sheet, on described quiet conducting strip, is provided with fixed contact, is provided with moving contact on electroconductive elastic sheet; Described rotating shaft rotates band moving cam and rotates, and with electroconductive elastic sheet interoperation, makes moving contact contact with fixed contact or disconnect.
8. the rotary vane type according to claim 7 thermostat that automatically resets, is characterized in that, the contact position of described electroconductive elastic sheet and cam is provided with baffle plate.
9. the rotary vane type according to claim 1 and 2 thermostat that automatically resets, is characterized in that, described rotating shaft is arranged to polygon prism shape, and rotating shaft embeds Hard Magnetic center, is fixedly installed with Hard Magnetic.
10. the rotary vane type according to claim 1 and 2 thermostat that automatically resets, is characterized in that, also comprise the soft magnetism stator being fixedly installed with shell, described soft magnetism is arranged on soft magnetism stator, and described Hard Magnetic is placed in soft magnetism stator bottom; Described soft magnetism stator bottom is provided with semicircle shrinkage pool, and described rotating shaft top is provided with the alignment pin mating with semicircle shrinkage pool, and described rotating shaft passes Hard Magnetic, and alignment pin embeds the setting of semicircle shrinkage pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420075587.8U CN203721632U (en) | 2014-02-21 | 2014-02-21 | Rotary vane type automatic reset temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420075587.8U CN203721632U (en) | 2014-02-21 | 2014-02-21 | Rotary vane type automatic reset temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203721632U true CN203721632U (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420075587.8U Expired - Fee Related CN203721632U (en) | 2014-02-21 | 2014-02-21 | Rotary vane type automatic reset temperature controller |
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| Country | Link |
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| CN (1) | CN203721632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794410A (en) * | 2014-02-21 | 2014-05-14 | 佛山市川东磁电股份有限公司 | Rotary vane type automatic reset temperature controller |
-
2014
- 2014-02-21 CN CN201420075587.8U patent/CN203721632U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794410A (en) * | 2014-02-21 | 2014-05-14 | 佛山市川东磁电股份有限公司 | Rotary vane type automatic reset temperature controller |
| CN103794410B (en) * | 2014-02-21 | 2016-09-07 | 佛山市川东磁电股份有限公司 | A kind of rotary vane type automatically resets temperature controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20170221 |