CN113471015A - Multi-temperature kick type temperature controller - Google Patents
Multi-temperature kick type temperature controller Download PDFInfo
- Publication number
- CN113471015A CN113471015A CN202110775778.XA CN202110775778A CN113471015A CN 113471015 A CN113471015 A CN 113471015A CN 202110775778 A CN202110775778 A CN 202110775778A CN 113471015 A CN113471015 A CN 113471015A
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- CN
- China
- Prior art keywords
- temperature
- contact piece
- movable contact
- bimetal
- bimetallic strip
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/12—Means for adjustment of "on" or "off" operating temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
- H01H37/521—Thermally-sensitive members actuated due to deflection of bimetallic element comprising a plurality of bimetals acting in the same direction
Abstract
The invention relates to the technical field of temperature controllers, in particular to a multi-temperature kick type temperature controller, which comprises a device body, wherein at least a first temperature control component, a second temperature control component and a fixed contact component are arranged in the device body; the first temperature control assembly comprises a first bimetallic strip, a first ejector rod and a first movable contact piece, and the first bimetallic strip reaching the action temperature is abutted against the first ejector rod to separate the first movable contact piece from the fixed contact piece; the second temperature control assembly comprises a second bimetallic strip, a second ejector rod and a second movable contact piece, and the second bimetallic strip reaching the action temperature is abutted against the second ejector rod to separate the second movable contact piece from the fixed contact piece; the operating temperature of the first bimetallic strip is different from the operating temperature of the second bimetallic strip. The multi-temperature kick type temperature controller controls the heating temperature of the electric appliance through at least two bimetallic strips with different action temperatures, can heat at constant temperature within different temperature ranges, has simple and reasonable structure, and can adapt to the requirements of various heating modes of the electric appliance.
Description
Technical Field
The invention relates to the technical field of temperature controllers, in particular to a multi-temperature kick type temperature controller.
Background
The temperature controllers for the electric heaters are commonly used, and particularly for large-scale electric heaters, the national regulations require that bipolar temperature controllers are assembled to ensure the safety of the electric heaters. However, when the kick type bipolar thermostat is used, the live wire and the zero wire of the power supply must be cut off at the same time, so that the action consistency of the thermostat is required to be good, the two poles are required to be cut off at the same time, and otherwise, safety power utilization accidents are easy to happen due to the circuit of the circuit.
At present, a traditional bimetallic strip snap-action temperature controller is packaged by a sealed sealing cover, a main action part is a disc-shaped bimetallic temperature sensing strip, the bimetallic temperature sensing strip can snap back after being heated, and a movable reed is pushed by a ceramic rod in the temperature controller, so that the moving contact and the fixed contact are switched on and off. However, the existing temperature controller has single function, can only control the temperature of a set temperature range, and cannot be adapted to the heating electric appliances with various working modes at present.
Disclosure of Invention
The present invention is directed to a multi-temperature kick thermostat, which solves one or more of the problems of the prior art and provides at least one of the advantages of the multi-temperature kick thermostat.
The invention provides a multi-temperature kick type temperature controller, which comprises a device body, wherein at least a first temperature control component, a second temperature control component and a fixed contact component are arranged in the device body;
the first temperature control assembly comprises a first bimetallic strip, a first ejector rod and a first movable contact piece, the first ejector rod is arranged between the jumping side of the first bimetallic strip and the first movable contact piece, the first movable contact piece is abutted with the fixed contact piece, and the first bimetallic strip reaching the action temperature is abutted with the first ejector rod to separate the first movable contact piece from the fixed contact piece;
the second temperature control assembly comprises a second bimetallic strip, a second ejector rod and a second movable contact piece, the second ejector rod is arranged between the jumping side of the second bimetallic strip and the second movable contact piece, the second movable contact piece is abutted with the fixed contact piece, and the second bimetallic strip reaching the action temperature is abutted with the second ejector rod to separate the second movable contact piece from the fixed contact piece;
the operating temperature of the first bimetallic strip is different from the operating temperature of the second bimetallic strip.
Furthermore, the reset temperature of the first bimetal is different from the reset temperature of the second bimetal, the reset temperature of the first bimetal is lower than the action temperature of the first bimetal, and the reset temperature of the second bimetal is lower than the action temperature of the second bimetal.
Furthermore, the device body comprises a temperature sensing cover, a first film storage chamber, a second film storage chamber and a base;
the first film storage chamber and the second film storage chamber are stacked up and down and assembled inside the temperature sensing cover, the first bimetallic strip is fixed in the first film storage chamber, the second bimetallic strip is fixed in the second film storage chamber, the first movable contact piece, the second movable contact piece and the fixed contact piece are arranged inside the base, and the second bimetallic strip is provided with a through hole used for passing through the first ejector rod.
Further, the first bimetal sheet has the same size as the second bimetal sheet.
Furthermore, the device body comprises a temperature sensing cover, a second film storage chamber and a base;
the inside of temperature sensing lid is equipped with the spacing groove, and the assembly of second film storage room is in the inside of temperature sensing lid, and first bimetallic strip is fixed at the spacing inslot, and the second bimetallic strip is fixed at the indoor spacing groove downside that is located of second film storage, and first movable contact spare, second movable contact spare and fixed contact piece set up inside the base, and the through-hole that is used for passing through first ejector pin is seted up to the second bimetallic strip.
Furthermore, the first ejector rod and the second ejector rod are coaxially arranged, the first ejector rod is connected with the center of the jumping side of the first bimetallic strip, and the second ejector rod is sleeved on the outer side of the first ejector rod.
Furthermore, the first ejector rod is connected with the center of the jumping side of the first bimetallic strip, and the first ejector rod and the second ejector rod are arranged at intervals.
Furthermore, the first movable contact piece comprises a first elastic sheet and a first movable contact arranged at one end of the first elastic sheet, and the other end of the first elastic sheet is electrically connected with the first wiring end;
the second movable contact piece comprises a second elastic piece and a second movable contact arranged at one end of the second elastic piece, and the other end of the second elastic piece is electrically connected with the second wiring end;
the fixed contact part comprises a fixed contact arm, a first fixed contact and a second fixed contact, the first fixed contact and the second fixed contact are arranged on the fixed contact arm, the fixed contact arm is electrically connected with the third terminal, the first fixed contact is abutted with the first movable contact, and the second fixed contact is abutted with the second movable contact.
Furthermore, the first elastic sheet is electrically connected with the first wiring end through a rivet, the second elastic sheet is electrically connected with the second wiring end through a rivet, and the fixed contact arm is electrically connected with the third wiring end through a rivet.
The invention has the beneficial effects that: the heating temperature of the electric appliance is controlled by the at least two bimetallic strips with different action temperatures, constant-temperature heating can be carried out in different temperature ranges, the structure is simple and reasonable, and the electric appliance heating temperature control device can adapt to the requirements of various heating modes of the electric appliance.
Drawings
Fig. 1 is a schematic cross-sectional view of a multiple temperature snap-action thermostat according to an embodiment.
Fig. 2 is a schematic structural diagram of a multiple temperature snap-action thermostat according to an embodiment.
Fig. 3 is a schematic cross-sectional view of a multi-temperature snap-action thermostat according to a second embodiment.
Fig. 4 is a schematic cross-sectional view of a multiple temperature snap-action thermostat according to a third embodiment.
Fig. 5 is a schematic cross-sectional view of a multiple temperature snap-action thermostat according to a fourth embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the present invention will be further described with reference to the embodiments and the accompanying drawings.
The invention provides a multi-temperature kick type temperature controller.
Example one
Fig. 1 is a schematic cross-sectional view of a multiple temperature snap-action thermostat according to an embodiment. As shown in fig. 1 and 2, the multi-temperature kick type thermostat includes a main body, and at least a first temperature control assembly, a second temperature control assembly and a fixed contact are disposed in the main body.
Specifically, the first temperature control assembly includes a first bimetal 110, a first push rod 120 and a first movable contact 130, the first push rod 120 is disposed between the jumping side of the first bimetal 110 and the first movable contact 130, and the first movable contact 130 abuts against the fixed contact; the second temperature control assembly comprises a second bimetal piece 210, a second top rod 220 and a second movable contact piece 230, wherein the second top rod 220 is arranged between the jumping side of the second bimetal piece 210 and the second movable contact piece 230, and the second movable contact piece 230 is abutted with the fixed contact piece.
The operating temperature of the first bimetal 110 is different from the operating temperature of the second bimetal 210. When the first bimetal sheet 110 reaches the operating temperature, the first bimetal sheet is abutted with the first push rod 120, so that the first movable contact piece 130 is separated from the fixed contact piece, and the passage between the first movable contact piece 130 and the fixed contact piece is disconnected; when the second bimetal piece 210 reaches the operating temperature, the second bimetal piece 210 abuts against the second push rod 220, so that the second movable contact piece 230 is separated from the fixed contact piece, and the passage between the second movable contact piece 230 and the fixed contact piece is disconnected.
The multi-temperature sudden-jump temperature controller provided by the embodiment realizes the function of turning off the corresponding passage through at least two bimetallic strip structures with different action temperatures, is suitable for carrying out corresponding temperature regulation on electric appliances with different working modes, carries out temperature control on more temperature ranges if needed, can set temperature control components with different action temperatures according to actual needs, thereby realizing carrying out temperature control on multiple temperature ranges, and the bimetallic strips of other temperature control components are mutually spaced from the first bimetallic strip 110 and the second bimetallic strip 210 without mutual interference.
For example, the temperature of the electric cooker is controlled, in a porridge cooking mode, when the temperature of the heating device reaches the action temperature of the first bimetal sheet 110, the first bimetal sheet 110 jumps towards the jumping side of the first bimetal sheet, and presses the first push rod 120 to enable the first push rod 120 to be abutted with the first movable contact piece 130, the first push rod 120 presses the first movable contact piece 130 towards the direction far away from the fixed contact piece, so that the passage between the first movable contact piece 130 and the fixed contact piece is disconnected, and the power of the heating device between the first movable contact piece 130 and the passage of the fixed contact piece is cut off; similarly, in the cooking mode, after the temperature of the heating device reaches the operating temperature of the second bimetal piece 210, the second bimetal piece 210 jumps to the jumping side thereof, and finally the path between the second movable contact piece 230 and the fixed contact piece is disconnected, and the heating device between the second movable contact piece 230 and the path of the fixed contact piece is powered off.
In this embodiment, the reset temperature of the first bimetal 110 is different from the reset temperature of the second bimetal 210, and in consideration of safety of electricity, the reset temperature of the first bimetal 110 is lower than the operating temperature of the first bimetal 110, and the reset temperature of the second bimetal 210 is lower than the operating temperature of the second bimetal 210. Illustratively, the two metal sheets of the first bimetal sheet 110 have different actuation temperatures and reset temperatures, wherein, the action temperature and the reset temperature of the metal sheet close to the first top bar 120 are higher than those of the other metal sheet, when the first bimetal 110 senses the temperature rise, the metal sheet far away from the first top bar 120 jumps first, the metal sheet close to the first lift pin 120 maintains the original state, the state of the first bimetal sheet 110 is not changed, until the temperature rises to the action temperature of the metal sheet close to the first lift pin 120, the first bimetal sheet 110 jumps, otherwise, when the temperature is reduced, the metal sheet close to the first push rod 120 is reset first, the metal sheet far from the first push rod 120 maintains the original state until the temperature is reduced to the reset temperature of the metal sheet far from the first push rod 120, and the first bimetal 110 is reset, so that the constant temperature heating function is realized through the first bimetal 110. Similarly, the temperature sensing principle of the second bimetal 210 is also the same.
Referring to fig. 1 and 2 again, the device body of the present embodiment includes a temperature sensing cover 430, a first film storage chamber 410, a second film storage chamber 420 and a base 440, and the temperature sensing cover 430, the first film storage chamber 410 and the second film storage chamber 420 can be detached from each other.
Specifically, the first cassette compartment 410 and the second cassette compartment 420 are stacked up and down and assembled inside the temperature sensing cover 430, the first bimetal 110 is fixed inside the first cassette compartment 410, the second bimetal 210 is fixed inside the second cassette compartment 420, the first movable contact 130, the second movable contact 230 and the fixed contact are arranged inside the base 440, and the second bimetal 210 is provided with a through hole for passing through the first push rod 120.
More specifically, the size of the first bimetal sheet 110 and the size of the second bimetal sheet 210 of the present embodiment are the same. When other temperature control elements having different operating temperatures are provided, the first cassette compartment 410 and the second cassette compartment 420 may be simultaneously loaded with one or more bimetal sheets, which are spaced apart from each other.
In this embodiment, the first top bar 120 is connected to the center of the jumping side of the first bimetal 110, the first top bar 120 and the second top bar 220 are arranged at an interval, the second top bar 220 is connected to the center of the jumping side of the second bimetal 210, and the first top bar 120 and the second top bar 220 are isolated from each other and are not affected by each other.
In this embodiment, the first movable contact 130 includes a first spring piece 131 and a first movable contact 132 disposed at one end of the first spring piece 131, and the other end of the first spring piece 131 is electrically connected to the first terminal 133; the second movable contact 230 includes a second spring piece 231 and a second movable contact 232 disposed at one end of the second spring piece 231, and the other end of the second spring piece 231 is electrically connected to a second terminal 233; the fixed contact includes a fixed contact arm 310, and a first fixed contact point 320 and a second fixed contact point 330 provided on the fixed contact arm 310, the fixed contact arm 310 electrically connects to a third terminal 340, the first fixed contact point 320 abuts against the first movable contact point 132, and the second fixed contact point 330 abuts against the second movable contact point 232. The first elastic sheet 131 is electrically connected to the first terminal 133 through a rivet, the second elastic sheet 231 is electrically connected to the second terminal 233 through a rivet, and the contact arm 310 is electrically connected to the third terminal 340 through a rivet.
The multi-temperature kick type temperature controller provided by the embodiment controls the heating temperature of the electric appliance through the bimetallic strips with two different action temperatures, can heat at constant temperature within different temperature ranges, has simple and reasonable structure, and can adapt to the requirements of various heating modes of the electric appliance.
Example two
Fig. 3 is a schematic cross-sectional view of a multi-temperature snap-action thermostat according to a second embodiment. As shown in fig. 3, on the basis of the first embodiment, the present embodiment provides a multi-temperature snap-action thermostat with another structure.
In this embodiment, the first top bar 120 and the second top bar 220 are coaxially disposed, the first top bar 120 is connected to the center of the jumping side of the first bimetal strip 110, and the second top bar 220 is sleeved on the outer side of the first top bar 120. The first ejector rod 120 and the second ejector rod 220 can be movably sleeved together, the second ejector rod 220 cannot be influenced when the first ejector rod 120 moves, the first ejector rod 120 cannot be influenced when the second ejector rod 220 moves, and the first ejector rod 120 and the second ejector rod are sleeved together, so that the whole structure of the temperature controller is more compact, and the space is saved.
EXAMPLE III
Fig. 4 is a schematic cross-sectional view of a multiple temperature snap-action thermostat according to a third embodiment. As shown in fig. 4, in the first embodiment, the device body of the present embodiment includes a temperature sensing cover 430, a second film storage chamber 420 and a base 440, and the temperature sensing cover 430 and the second film storage chamber 420 can be detached from each other.
The temperature sensing cover 430 is provided with a limiting groove 450 therein, the second film storage chamber 420 is assembled inside the temperature sensing cover 430, the first bimetal 110 is fixed in the limiting groove 450, the second bimetal 210 is fixed in the second film storage chamber 420 and located at the lower side of the limiting groove 450, the first movable contact 130, the second movable contact 230 and the fixed contact are arranged inside the base 440, and the second bimetal 210 is provided with a through hole for passing through the first push rod 120.
In the present embodiment, the size of the first bimetal sheet 110 is smaller than that of the second bimetal sheet 210.
Example four
Fig. 5 is a schematic cross-sectional view of a multiple temperature snap-action thermostat according to a fourth embodiment. As shown in fig. 5, on the basis of the third embodiment, the present embodiment provides a multi-temperature snap-action thermostat with another structure.
In this embodiment, the first top bar 120 and the second top bar 220 are coaxially disposed, the first top bar 120 is connected to the center of the jumping side of the first bimetal strip 110, and the second top bar 220 is sleeved on the outer side of the first top bar 120. The first ejector rod 120 and the second ejector rod 220 can be movably sleeved together, the second ejector rod 220 cannot be influenced when the first ejector rod 120 moves, the first ejector rod 120 cannot be influenced when the second ejector rod 220 moves, and the first ejector rod 120 and the second ejector rod are sleeved together, so that the whole structure of the temperature controller is more compact, and the space is saved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. A multi-temperature kick type temperature controller comprises a device body and is characterized in that at least a first temperature control assembly, a second temperature control assembly and a fixed contact element are arranged in the device body;
the first temperature control assembly comprises a first bimetal (110), a first push rod (120) and a first movable contact piece (130), the first push rod (120) is arranged between the jumping side of the first bimetal (110) and the first movable contact piece (130), the first movable contact piece (130) is abutted with the fixed contact piece, the first bimetal (110) reaching the action temperature is abutted with the first push rod (120), and the first movable contact piece (130) is separated from the fixed contact piece;
the second temperature control assembly comprises a second bimetallic strip (210), a second push rod (220) and a second movable contact piece (230), the second push rod (220) is arranged between the jumping side of the second bimetallic strip (210) and the second movable contact piece (230), the second movable contact piece (230) is abutted with the fixed contact piece, the second bimetallic strip (210) reaching the action temperature is abutted with the second push rod (220), and the second movable contact piece (230) is separated from the fixed contact piece;
the operating temperature of the first bimetallic strip (110) is different from the operating temperature of the second bimetallic strip (210).
2. The thermostat of claim 1, wherein the reset temperature of the first bimetal (110) is different from the reset temperature of the second bimetal (210), the reset temperature of the first bimetal (110) is lower than the operating temperature of the first bimetal (110), and the reset temperature of the second bimetal (210) is lower than the operating temperature of the second bimetal (210).
3. A multiple temperature snap-action thermostat according to claim 1, wherein the device body comprises a temperature sensing cover (430), a first cassette compartment (410), a second cassette compartment (420) and a base (440);
the first film storage chamber (410) and the second film storage chamber (420) are stacked up and down and assembled inside the temperature sensing cover (430), the first bimetallic strip (110) is fixed inside the first film storage chamber (410), the second bimetallic strip (210) is fixed inside the second film storage chamber (420), the first movable contact piece (130), the second movable contact piece (230) and the fixed contact piece are arranged inside the base (440), and the second bimetallic strip (210) is provided with a through hole for passing through the first push rod (120).
4. A multiple temperature snap-action thermostat according to claim 3, wherein the dimensions of the first bimetal (110) and the second bimetal (210) are the same.
5. A multiple temperature snap-action thermostat according to claim 1, wherein the device body comprises a temperature sensing cover (430), a second reservoir (420) and a base (440);
the temperature sensing cover (430) is internally provided with a limiting groove (450), the second tablet storage chamber (420) is assembled inside the temperature sensing cover (430), the first bimetallic strip (110) is fixed in the limiting groove (450), the second bimetallic strip (210) is fixed in the second tablet storage chamber (420) and is positioned at the lower side of the limiting groove (450), the first movable contact piece (130), the second movable contact piece (230) and the fixed contact piece are arranged inside the base (440), and the second bimetallic strip (210) is provided with a through hole for passing through the first ejector rod (120).
6. The multiple temperature jump type thermostat according to any one of claims 1-5, wherein the first top bar (120) and the second top bar (220) are coaxially arranged, the first top bar (120) is connected with the center of the jumping side of the first bimetallic strip (110), and the second top bar (220) is sleeved on the outer side of the first top bar (120).
7. A multiple temperature snap-action thermostat according to any of claims 1-5, characterized in that the first push rod (120) is connected to the center of the bouncing side of the first bimetal (110), and the first push rod (120) and the second push rod (220) are arranged at a distance.
8. The multi-temperature snap-action thermostat of claim 1,
the first movable contact piece (130) comprises a first elastic sheet (131) and a first movable contact (132) arranged at one end of the first elastic sheet (131), and the other end of the first elastic sheet (131) is electrically connected with a first terminal (133);
the second movable contact piece (230) comprises a second spring piece (231) and a second movable contact (232) arranged at one end of the second spring piece (231), and the other end of the second spring piece (231) is electrically connected with a second terminal (233);
the fixed contact part comprises a fixed contact arm (310), and a first fixed contact point (320) and a second fixed contact point (330) which are arranged on the fixed contact arm (310), wherein the fixed contact arm (310) is electrically connected with a third terminal (340), the first fixed contact point (320) is abutted with the first movable contact point (132), and the second fixed contact point (330) is abutted with the second movable contact point (232).
9. The multi-temperature snap-action thermostat of claim 8, wherein the first resilient tab (131) is electrically connected to the first terminal (133) by a rivet, the second resilient tab (231) is electrically connected to the second terminal (233) by a rivet, and the stationary contact arm (310) is electrically connected to the third terminal (340) by a rivet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110775778.XA CN113471015A (en) | 2021-07-08 | 2021-07-08 | Multi-temperature kick type temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110775778.XA CN113471015A (en) | 2021-07-08 | 2021-07-08 | Multi-temperature kick type temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113471015A true CN113471015A (en) | 2021-10-01 |
Family
ID=77879341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110775778.XA Withdrawn CN113471015A (en) | 2021-07-08 | 2021-07-08 | Multi-temperature kick type temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113471015A (en) |
-
2021
- 2021-07-08 CN CN202110775778.XA patent/CN113471015A/en not_active Withdrawn
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Application publication date: 20211001 |
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