CN201463293U - Electric heating vapour control switch - Google Patents
Electric heating vapour control switch Download PDFInfo
- Publication number
- CN201463293U CN201463293U CN2009201120077U CN200920112007U CN201463293U CN 201463293 U CN201463293 U CN 201463293U CN 2009201120077 U CN2009201120077 U CN 2009201120077U CN 200920112007 U CN200920112007 U CN 200920112007U CN 201463293 U CN201463293 U CN 201463293U
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- heat
- actuating element
- sensitive actuating
- sheet
- temperature
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Abstract
The utility model discloses an electric heating vapour control switch comprising a vapour cavity, a thermosensitive actuator, a switch cavity, a movable contact, a static contact, a reset spring piece and a rotary cover board, wherein the vapour cavity and the thermosensitive actuator are arranged on the back of a base, and the switch cavity, the moving contact and the static contact are arranged in front of the base; the thermosensitive actuator is one or a plurality of rod-like thermosensitive actuating elements made of round-trip memory alloy material; when the temperature of the rod-like thermosensitive actuating elements is lower than the transition temperature of memory alloy material, middle waist is in hollow state; when temperature is higher than the transition temperature, middle waist raises and lifts to be in protrusion or approximate horizontal state; two sides of the rod-like thermosensitive actuating element are respectively provided with a downwards-extending mounting arm; two sides of the vapour cavity are provided with a mounting slot; and two mounting arms of the rod-like thermosensitive actuating element are respectively inserted into the mounting slots at two sides of the vapour cavity. The utility model adopts the thermosensitive actuating element made of memory alloy, thus greatly shortening waiting time between continuous boiling water by users.
Description
Technical field
The utility model relates to a kind of thermally-responsive controls, especially relates to a kind of steam control switch that is used on the electric heating vessel.
Technical background
The steam control switch of existing electric kettle adopts Kick type heat-sensitive actuating element---the butterfly sheet of bimetallic material system.This bimetallic butterfly sheet has following characteristic: keep shape A at normal temperatures, when temperature rose to the transition temperature of bimetallic material, morpheme sudden change took place rapidly and becomes shape B in the butterfly sheet, and drove other mechanisms in the steam control switch and disconnecting circuit; Because hysteresis effect, temperature just descend after slightly rising gradually, the butterfly sheet still keeps shape B when temperature drops to foregoing transition temperature again, and temperature further drops to recovery temperature (being lower than transition temperature), and the butterfly sheet returns to shape A.Because recovery temperature is far below transition temperature, this temperature-fall period need expend the regular hour.When the user need use electric heating vessel to heat up water continuously, before burning-out, just must wait for behind the water flask regular hour make when the butterfly sheet is no longer forced hold mode B can the start-up circuit burning under water flask.
Summary of the invention
At the problem that exists in the background technology, in order to shorten the time that the user waits between repeatedly heating up water continuously, the purpose of this utility model is to provide a kind of thermally-responsive controls that adopts the moving element of memorial alloy.
The technical solution adopted in the utility model is:
Scheme 1: a kind of electrothermic steam control switch:
Comprise the vapor chamber and the heat-sensitive actuating device that are positioned at the pedestal rear portion, be positioned at switch cavity, moving contact, static contact, reseting spring leaf and the rotation cover of pedestal front portion; Described heat-sensitive actuating device is the one or more shaft-like heat-sensitive actuating element of round trip memory alloy material system, and described shaft-like heat-sensitive actuating element is when temperature is lower than the transition temperature of memory alloy material, and middle waist is in etat lacunaire; When being higher than transition temperature, the waist of the centre of shaft-like heat-sensitive actuating element lifts rising in temperature, is in the state of projection or level of approximation; Described shaft-like heat-sensitive actuating elements on either side respectively has a hold-down arm that stretches out downwards, be the left-right symmetry profile, be provided with the mounting groove of up/down perforation in the both sides of vapor chamber, two hold-down arms of shaft-like heat-sensitive actuating element embed respectively in the mounting groove of vapor chamber both sides, and the shake-up platform in the umbilicate waist of shaft-like heat-sensitive actuating element and the rotation cover is close.
Scheme 2: another kind of electrothermic steam control switch:
Comprise the vapor chamber and the heat-sensitive actuating device that are positioned at the pedestal rear portion, be positioned at switch cavity, moving contact and static contact, reseting spring leaf and the rotation cover of pedestal front portion; The sheet heat-sensitive actuating element that described heat-sensitive actuating device is a round trip memory alloy material system, described sheet heat-sensitive actuating element is when temperature is lower than the transition temperature of memory alloy material, and the middle part is in etat lacunaire; When being higher than transition temperature, rising is lifted in the middle part of sheet heat-sensitive actuating element, is in the state of projection or level of approximation in temperature; Periphery in vapor chamber (8) is provided with mounting groove, being installed in the mounting groove of sheet heat-sensitive actuating element, and the shake-up platform in the depression position of the centre of sheet heat-sensitive actuating element and the rotation cover is close.
Described sheet heat-sensitive actuating element is sheet " M " shape heat-sensitive actuating element, sheet " V " shape heat-sensitive actuating element or sheet dish heat-sensitive actuating element.
Described shaft-like heat-sensitive actuating element or sheet heat-sensitive actuating element, the middle part kept etat lacunaire when temperature was low, waist is raised up to level or raised position and drives other mechanisms in the steam control switch and disconnecting circuit when temperature rises to transition temperature, because hysteresis effect, temperature just descends after slightly rising gradually, when temperature dropped to transition temperature again, the middle part of shaft-like heat-sensitive actuating element or sheet heat-sensitive actuating element just returned to etat lacunaire at once.Therefore, the recovery temperature of shaft-like heat-sensitive actuating element or sheet heat-sensitive actuating element is identical with transition temperature, it is short that shaft-like heat-sensitive actuating element or sheet heat-sensitive actuating element return to the required time of etat lacunaire, thereby significantly shortened the stand-by period of user between heating up water continuously.
The beneficial effect that the utlity model has:
The utility model has significantly shortened the stand-by period of user between heating up water continuously by adopting the heat-sensitive actuating element of memorial alloy system.
Description of drawings
Fig. 1 is a partial sectional view of the present utility model.
Fig. 2 is a shaft-like heat-sensitive actuating element front view at normal temperatures in the utility model.
Fig. 3 is a shaft-like heat-sensitive actuating element front view at high temperature in the utility model.
Fig. 4 is the oblique view of pedestal in the utility model.
Fig. 5 is the half sectional view during circuit turn-on in the utility model.
Fig. 6 is the half sectional view when circuit disconnects in the utility model.
Fig. 7 is the oblique view of sheet " M " the shape heat-sensitive actuating element in the utility model.
Fig. 8 is sheet " M " the shape heat-sensitive actuating element front view at normal temperatures in the utility model.
Fig. 9 is sheet " M " the shape heat-sensitive actuating element front view at high temperature in the utility model.
Figure 10 is the oblique view of sheet " V " the shape heat-sensitive actuating element in the utility model.
Figure 11 is sheet " V " the shape heat-sensitive actuating element front view at normal temperatures in the utility model.
Figure 12 is sheet " V " the shape heat-sensitive actuating element front view at high temperature in the utility model.
Figure 13 is the sheet dish heat-sensitive actuating element front view at normal temperatures in the utility model.
Figure 14 is the sheet dish heat-sensitive actuating element front view at high temperature in the utility model.
Among the figure: 1, pedestal, 2, rotation cover, 3, concave station, 4, shaft-like heat-sensitive actuating element, 5, touch platform, 6, static contact, 7, moving contact, 8, vapor chamber, 9, switch cavity, 10, reseting spring leaf, 11, waist, 12, hold-down arm; 13, sheet " M " shape heat-sensitive actuating element, 14, sheet " V " shape heat-sensitive actuating element, 15, sheet dish heat-sensitive actuating element, 16, vertically the wing is installed, 17, level installs the wing.
The specific embodiment
As shown in Figure 1, the utility model comprises vapor chamber 8 and the heat-sensitive actuating device that is positioned at pedestal 1 rear portion, the switch cavity 9, moving contact 7, static contact 6, reseting spring leaf 10 and the rotation cover 2. described heat-sensitive actuating devices that are positioned at pedestal 1 front portion are the one or more shaft-like heat-sensitive actuating element 4 of round trip memory alloy material system, described shaft-like heat-sensitive actuating element 4 is when temperature is lower than the transition temperature of memory alloy material, and middle waist 11 is in etat lacunaire; When being higher than transition temperature, the waist 11 of the centre of shaft-like heat-sensitive actuating element 4 lifts rising, is in the state of projection or level of approximation in temperature; Described shaft-like heat-sensitive actuating elements on either side respectively has a hold-down arm that stretches out 12 downwards, be the left-right symmetry profile, be provided with the mounting groove 3 of up/down perforation in the both sides of vapor chamber 8, two hold-down arms 12 of shaft-like heat-sensitive actuating element 4 embed respectively in the mounting groove 3 of vapor chamber 8 both sides, and the umbilicate waist 11 of shaft-like heat-sensitive actuating element 4 and the shake-up platform 5 in the rotation cover 2 are close.
The utility model comprises vapor chamber 8 and the heat-sensitive actuating device that is positioned at pedestal 1 rear portion, is positioned at switch cavity 9, moving contact 7, static contact 6, reseting spring leaf 10 and the rotation cover 2 of pedestal 1 front portion; The sheet heat-sensitive actuating element that described heat-sensitive actuating device is a round trip memory alloy material system, described sheet heat-sensitive actuating element is when temperature is lower than the transition temperature of memory alloy material, and the middle part is in etat lacunaire; When being higher than transition temperature, rising is lifted in the middle part of sheet heat-sensitive actuating element, is in the state of projection or level of approximation in temperature; Periphery in vapor chamber 8 is provided with mounting groove, being installed in the mounting groove of sheet heat-sensitive actuating element, and the shake-up platform 5 in the depression position of the centre of sheet heat-sensitive actuating element and the rotation cover 2 is close.
Described sheet heat-sensitive actuating element is sheet " M " shape heat-sensitive actuating element 13, sheet " V " shape heat-sensitive actuating element 14 or sheet dish heat-sensitive actuating element 15.
Embodiment 1
At the moving element 4 of shaft-like temperature-sensitive, in conjunction with the accompanying drawings and embodiments the utility model is further described below.
Fig. 1 is a partial sectional view of the present utility model, the utility model mainly comprises plastic components pedestal 1 and rotation cover 2, zero terminal, fire line terminal and on moving contact 7, static contact 6, the shaft-like heat-sensitive actuating element 4 of memory alloy material system, and the reseting spring leaf 10 that is used to connect pedestal 1 and rotation cover 2.The locus of static contact 6 is fixed, and moving contact 7 has around property, and under the prestressed effect, moving contact 7 compresses static contact 6, and circuit is connected.Rotation cover 2 is installed on the pedestal 1 by reseting spring leaf 10, and rotation cover 2 has two stable mechanical states, and first state is to separate with moving contact 7, and circuit is connected; Second state is to compress movable contact 7 downwards, and moving contact 7 is separated with static contact 6, and circuit disconnects.
Fig. 2, Fig. 3 be respectively in the utility model shaft-like heat-sensitive actuating element 4 at normal temperatures, the front view under the high temperature.Shaft-like heat-sensitive actuating element 4 mainly comprises two hold-down arms 12 and the middle waist 11 of both sides.Has following characteristic: when temperature is lower than the transition temperature of memory alloy material, the waist 11 of shaft-like heat-sensitive actuating element 4 keeps etat lacunaires (as Fig. 2), and waist 11 is raised up to level or raised position (as Fig. 3) and drives other mechanisms in the steam control switch and disconnecting circuit when temperature rises to transition temperature.
Fig. 4 is the partial sectional view of pedestal in the utility model, therefrom can see the main position on the pedestal 1: switch cavity 9, vapor chamber 8 and mounting groove 3.Described switch cavity 9 is in the front portion of pedestal 1, wherein install zero terminal, fire line terminal and on moving contact 7, static contact 6.Vapor chamber 8 is at the rear portion of pedestal 1, vertical layout along pedestal 1, one end of vapor chamber 8 extends to the edge of pedestal and opens wide, be beneficial to the importing of extraneous vapor stream, respectively there are two mounting grooves 3 both sides of vapor chamber 8, and (quantity according to shaft-like heat-sensitive actuating element 4 is decided, use 2 shaft-like heat-sensitive actuating elements 4 in this embodiment), be symmetrically distributed.There is the vertical slot that vertically runs through along pedestal 1 in the outside of described mounting groove 3, the hold-down arm 12 of shaft-like heat-sensitive actuating element 4 inserts this vertical slot, the top of mounting groove 3 has and the vertical transverse groove of pedestal 1 longitudinal axis, to limit the moving along pedestal 1 longitudinal axis of shaft-like heat-sensitive actuating element 4.
Fig. 5 is the half sectional view during circuit turn-on in the utility model, and this moment, temperature was lower than the transition temperature of memory alloy material, and the waist 11 of shaft-like heat-sensitive actuating element 4 is in etat lacunaire.Rotation cover 2 departs from moving contact 7, and moving contact 7 upwards lifts under the prestressed effect and compresses static contact 7 and the connection circuit.Meanwhile, the lower surface of the shake-up platform 5 on the rotation cover 2 contacts with the waist 11 of shaft-like heat-sensitive actuating element 4, and keeps stable state under the resilient force of reseting spring leaf 10.
Fig. 6 is the half sectional view when circuit disconnects in the utility model, after the boiling of the water in the electric heating vessel, the vapours that produces enters and arrives at shaft-like heat-sensitive actuating element 4 from vapor chamber 8, make the temperature of shaft-like heat-sensitive actuating element 4 rise to the transition temperature of memory alloy material, the hold-down arm 12 of shaft-like heat-sensitive actuating element 4 both sides is fixing, waist 11 upwards lifts on the shake-up platform 5 that acts on the rotation cover 2 rapidly, and driven rotary cover plate 2 rotates counterclockwise, after reseting spring leaf 10 turns over the equilbrium position, reseting spring leaf 10 makes rotation cover 2 further rotate counterclockwise and drives moving contact 7 with shaft-like heat-sensitive actuating element 4 actings in conjunction and departs from static contact 6, thus disconnecting circuit.
At sheet heat-sensitive actuating element, in conjunction with the accompanying drawings and embodiments the utility model is further described below.
Compare with the embodiment 1 that adopts shaft-like heat-sensitive actuating element 4, adopt the shape and structure difference of the embodiment 2 of sheet heat-sensitive actuating element except the heat-sensitive actuating element, outside the mounting groove of installation temperature-sensitive braking member was slightly variant, remaining parts was basic identical.In addition, according to the profile of sheet heat-sensitive actuating element, the professional person in the industry can be easy to obtain corresponding with it mounting groove, therefore, mainly introduces several representative sheet heat-sensitive actuating elements in embodiment 2.
Fig. 7 is the oblique view of sheet " M " shape heat-sensitive actuating element 13, the medial recess of sheet " M " shape heat-sensitive actuating element 13, and both sides respectively have one the wing 16 vertically is installed, and are used for fixing sheet " M " shape heat-sensitive actuating element 13.Fig. 8, Fig. 9 are respectively the front view of sheet " M " shape heat-sensitive actuating element under normal temperature, high temperature, when normal temperature, (be lower than the transition temperature of memory alloy material), the medial recess of sheet " M " shape heat-sensitive actuating element-a, when temperature is higher than the transition temperature of memory alloy material, the middle part of sheet " M " shape heat-sensitive actuating element 13 is raised up to the position of level or projection rapidly, drives a series of mechanisms disconnecting circuit in the steam control switch simultaneously.Because sheet " M " shape heat-sensitive actuating element 13 both sides respectively have one the wing 16 vertically is installed, corresponding with it mounting groove also is a vertical direction on the pedestal.
Figure 10 is the oblique view of sheet " V " shape heat-sensitive actuating element 14, the medial recess of sheet " V " shape heat-sensitive actuating element 14, and both sides respectively have a level that the wing 17 is installed, and are used for fixing sheet " V " shape heat-sensitive actuating element 14.Figure 11, Figure 12 are respectively the front view of sheet " V " shape heat-sensitive actuating element under normal temperature, high temperature, when normal temperature, (be lower than the transition temperature of memory alloy material), the medial recess of sheet " V " shape heat-sensitive actuating element 14, when temperature is higher than the transition temperature of memory alloy material, the middle part of sheet " V " shape heat-sensitive actuating element 14 is raised up to the position of level or projection rapidly, drives a series of mechanisms disconnecting circuit in the steam control switch simultaneously.Because sheet " V " shape heat-sensitive actuating element 14 both sides respectively have level that the wing 17 is installed, corresponding with it mounting groove also is a horizontal direction on the pedestal.
Figure 13, Figure 14 are respectively the front view of sheet dish heat-sensitive actuating element under normal temperature, high temperature.Sheet dish heat-sensitive actuating element 15 is approximately recessed minor arc spherical shell shape, medial recess.When normal temperature, (be lower than the transition temperature of memory alloy material), the medial recess of sheet dish heat-sensitive actuating element 15, when temperature is higher than the transition temperature of memory alloy material, the depression direction of sheet dish heat-sensitive actuating element 15 is reverse, the middle part is raised up to the position of level or projection rapidly, drives a series of mechanisms disconnecting circuit in the steam control switch simultaneously.
Claims (3)
1. an electrothermic steam control switch comprises the vapor chamber (8) and the heat-sensitive actuating device that are positioned at pedestal (1) rear portion, is positioned at pedestal (1) anterior switch cavity (9), moving contact (7), static contact (6), reseting spring leaf (10) and rotation cover (2); It is characterized in that: described heat-sensitive actuating device is the one or more shaft-like heat-sensitive actuating element (4) of round trip memory alloy material system, described shaft-like heat-sensitive actuating element (4) is when temperature is lower than the transition temperature of memory alloy material, and middle waist (11) is in etat lacunaire; When being higher than transition temperature, the waist (11) of the centre of shaft-like heat-sensitive actuating element (4) lifts rising, is in the state of projection or level of approximation in temperature; Described shaft-like heat-sensitive actuating elements on either side respectively has a hold-down arm that stretches out (12) downwards, be the left-right symmetry profile, be provided with the mounting groove (3) of up/down perforation in the both sides of vapor chamber (8), two hold-down arms (12) of shaft-like heat-sensitive actuating element (4) embed respectively in the mounting groove (3) of vapor chamber (8) both sides, and the shake-up platform (5) in the umbilicate waist (11) of shaft-like heat-sensitive actuating element (4) and the rotation cover (2) is close.
2. an electrothermic steam control switch comprises the vapor chamber (8) and the heat-sensitive actuating device that are positioned at pedestal (1) rear portion, is positioned at pedestal (1) anterior switch cavity (9), moving contact (7), static contact (6), reseting spring leaf (10) and rotation cover (2); It is characterized in that: the sheet heat-sensitive actuating element that described heat-sensitive actuating device is a round trip memory alloy material system, described sheet heat-sensitive actuating element is when temperature is lower than the transition temperature of memory alloy material, and the middle part is in etat lacunaire; When being higher than transition temperature, rising is lifted in the middle part of sheet heat-sensitive actuating element, is in the state of projection or level of approximation in temperature; Periphery in vapor chamber (8) is provided with mounting groove, being installed in the mounting groove of sheet heat-sensitive actuating element, and the shake-up platform (5) in the depression position of the centre of sheet heat-sensitive actuating element and the rotation cover (2) is close.
3. a kind of electrothermic steam control switch according to claim 2 is characterized in that: described sheet heat-sensitive actuating element is sheet " M " shape heat-sensitive actuating element (13), sheet " V " shape heat-sensitive actuating element (14) or sheet dish heat-sensitive actuating element (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201120077U CN201463293U (en) | 2009-01-05 | 2009-01-05 | Electric heating vapour control switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201120077U CN201463293U (en) | 2009-01-05 | 2009-01-05 | Electric heating vapour control switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201463293U true CN201463293U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201120077U Expired - Lifetime CN201463293U (en) | 2009-01-05 | 2009-01-05 | Electric heating vapour control switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201463293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101465240B (en) * | 2009-01-05 | 2011-01-05 | 毛秀娣 | Electrothermic steam control switch |
-
2009
- 2009-01-05 CN CN2009201120077U patent/CN201463293U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101465240B (en) * | 2009-01-05 | 2011-01-05 | 毛秀娣 | Electrothermic steam control switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100512 Effective date of abandoning: 20090105 |