CN106352553B - Dry burning prevention temperature controller - Google Patents
Dry burning prevention temperature controller Download PDFInfo
- Publication number
- CN106352553B CN106352553B CN201610978629.2A CN201610978629A CN106352553B CN 106352553 B CN106352553 B CN 106352553B CN 201610978629 A CN201610978629 A CN 201610978629A CN 106352553 B CN106352553 B CN 106352553B
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- China
- Prior art keywords
- base
- strip
- bimetallic strip
- fixing
- temperature controller
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
Abstract
The invention discloses an anti-dry heating temperature controller, which comprises a base, wherein a containing cavity is arranged in the base, a first conducting strip, a second conducting strip and a movable contact piece are arranged in the containing cavity, one end of the first conducting strip extends out of the base, the other end of the first conducting strip is fixedly connected with one end of the movable contact piece, the other end of the movable contact piece is upwarped and is in contact fit with the lower surface of one end of the second conducting strip, and the other end of the second conducting strip extends out of the base; the base is provided with a cover plate, a bimetallic strip is fixed on the cover plate, the lower surface of the bimetallic strip is abutted and matched with the upper end of a top rod, the top rod penetrates through the cover plate and extends into the base, and the lower end of the top rod is abutted and matched with the movable contact spring. The invention has the advantages that: the structure is simple, and the use is safe; it comes the induction temperature through bimetallic strip, through ejector pin disconnection electric circuit again, and control is sensitive, can effectively prevent dry combustion method.
Description
Technical Field
The invention relates to the technical field of temperature control, in particular to an anti-dry heating temperature controller.
Background
The development of science and technology promotes the daily change of human life, various household appliances are greatly convenient for the daily life, and water heating equipment such as various electric kettles, water dispensers and the like which circulate in the market is a wide choice. However, it should be appreciated that although various water heating devices currently on the market bring certain convenience to our lives, there are some drawbacks and improvements are still needed.
In order to realize safe and convenient use for customers, the temperature controller is one of the most critical components of the water heating equipment. The heating mode of the existing water heating equipment is also improved from a simple electric heating tube direct heating mode to a water power-on and power-off mode and a heating mode of additionally arranging an anti-dry heating device. The simple water power-off and power-on mode adopts the mode that power is off when the weight is lightened after water is boiled or the power is off when the water temperature is directly sensed by the heat sensing element, namely, the power-off and power-on of water is realized by the weight or temperature sensing method, so that the protection effect is realized, but the power-off and power-on mode does not play a role in dry heating without water; therefore, an anti-dry heating device is required to be additionally arranged.
The heating device is not only affected by dry burning, but also scrapped, and even the whole heating device is damaged, and under more serious conditions, the heating device can cause fire to cause property loss, so that whether the dry burning prevention device can effectively play a role is very important.
Disclosure of Invention
The invention aims to solve the technical problem of providing the dry heating prevention temperature controller which is simple in structure, safe to use and sensitive in control aiming at the current situation of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a temperature controller for preventing dry burning comprises a base, wherein a containing cavity is arranged in the base, a first conducting strip, a second conducting strip and a movable contact spring are arranged in the containing cavity, one end of the first conducting strip extends out of the base, the other end of the first conducting strip is fixedly connected with one end of the movable contact spring, the other end of the movable contact spring upwarps and is in contact fit with the lower surface of one end of the second conducting strip, and the other end of the second conducting strip extends out of the base; the base is provided with a cover plate, a bimetallic strip is fixed on the cover plate, the lower surface of the bimetallic strip is abutted and matched with the upper end of a top rod, the top rod penetrates through the cover plate and extends into the base, and the lower end of the top rod is abutted and matched with the movable contact spring.
In order to optimize the technical scheme, the specific measures adopted further comprise:
the containing cavity of the base is also provided with a top block, and the upper end of the top block penetrates through the cover plate to be abutted and matched with the lower surface of the bimetallic strip.
The containing cavity is internally provided with a top block fixing seat, and the top block is vertically clamped and matched on the top block fixing seat.
The cover plate is symmetrically provided with two limiting columns, the height of each limiting column is flush with the extending height of the jacking block, and the limiting columns and the jacking blocks form an isosceles triangle structure.
The bimetallic strip comprises a bimetallic strip main body, a shifting piece and a fixing piece, wherein the shifting piece and the bimetallic strip main body form an annular structure, the fixing piece is arranged inside the shifting piece, the bimetallic strip main body is abutted and matched with the upper surface of the ejector block, and the shifting piece is abutted and matched with the upper end of the ejector rod.
A bimetallic strip fixing seat is arranged on the cover plate, a limiting groove is formed in the bimetallic strip fixing seat, and the fixing piece is embedded in the bimetallic strip fixing seat.
The limiting groove is internally provided with a positioning column, the fixing piece of the bimetallic strip is provided with a positioning hole matched with the positioning column, and the positioning hole is sleeved on the positioning column.
Clamping grooves are symmetrically formed in the base, clamping blocks matched with the clamping grooves are symmetrically arranged on the cover plate, and the clamping blocks are embedded in the corresponding clamping grooves.
The two sides of the base are respectively provided with a fixing lug which is integrally formed with the base, and the fixing lugs are respectively provided with a fixing hole.
The fixing holes are all waist-shaped holes.
Compared with the prior art, the anti-dry heating temperature controller is simple in structure and convenient to use, the temperature is sensed through the bimetallic strip, when the anti-dry heating temperature controller is used, the temperature controller is fixed on the outer wall of the water heating equipment, the bimetallic strip is attached to the outer wall of the water heating equipment, and the first conducting strip, the movable contact strip and the second conducting strip which are connected end to end in the base are connected with a circuit of the heating equipment to form an electric circuit; when the firing equipment is dry-burning, in case the too high temperature of firing equipment outer wall can make the bimetallic strip bounce, the rethread kicking bar pushes down the movable contact spring to make movable contact spring and second conducting strip break away from, the circuit disconnection plays the purpose that prevents the dry-burning, and its control is sensitive, can protect water heating equipment effectively.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 with the bi-metal strip removed;
FIG. 3 is a schematic view of the structure of FIG. 2 with the cover plate, top block and top bar removed;
fig. 4 is a schematic structural view of the bimetal of fig. 1.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As in the embodiment shown in figures 1 to 4,
description of the drawing reference numerals: the device comprises a base 1, an accommodating cavity 1a, a top block fixing seat 1b, a clamping groove 11, a fixing lug 12, a fixing hole 12a, a first conducting plate 21, a second conducting plate 22, a movable contact spring 23, a cover plate 3, a limiting column 31, a clamping block 32, a bimetallic strip 4, a bimetallic strip main body 41, a shifting piece 42, a fixing piece 43, a positioning hole 43a, a top rod 5, a top block 6, a bimetallic strip fixing seat 7, a limiting groove 71 and a positioning column 71 a.
As shown in figures 1 to 4 of the drawings,
an anti-dry heating temperature controller comprises a base 1, wherein a containing cavity 1a is arranged in the base 1, a first conducting strip 21, a second conducting strip 22 and a movable contact piece 23 are arranged in the containing cavity 1a, one end of the first conducting strip 21 extends out of the base 1, the other end of the first conducting strip 21 is fixedly connected with one end of the movable contact piece 23, the other end of the movable contact piece 23 upwarps and is in contact fit with the lower surface of one end of the second conducting strip 22, and the other end of the second conducting strip 22 extends out of the base 1; the base 1 is provided with a cover plate 3, a bimetallic strip 4 is fixed on the cover plate 3, the lower surface of the bimetallic strip 4 is propped against and matched with the upper end of a top rod 5, the top rod 5 penetrates through the cover plate 3 and extends into the base 1, and the lower end of the top rod 5 is propped against and matched with the movable contact spring 23.
In the embodiment, a top block 6 is further disposed in the accommodating cavity 1a of the base 1, and the upper end of the top block 6 penetrates through the cover plate 3 to be abutted against the lower surface of the bimetallic strip 4.
The ejector pin 5 is made of a ceramic material, and the ejector block 6 is also made of a ceramic material. The ceramic can resist high temperature and avoid heat conduction as much as possible.
In the embodiment, the accommodating cavity 1a is internally provided with a top block fixing seat 1b, and the top block 6 is vertically clamped on the top block fixing seat 1 b.
The setting of kicking block 6 not only can make bimetallic strip 4 hug closely the outer wall of water heating equipment, also can avoid bimetallic strip 4 and apron 3, base 1 contact, has avoided bimetallic strip 4's heat to apron 3, base 1 transmission and lead to apron 3, base 1 to melt.
In the embodiment, two limiting columns 31 are symmetrically arranged on the cover plate 3, the height of each limiting column 31 is flush with the extending height of the top block 6, and the limiting columns 31 and the top block 6 form an isosceles triangle structure.
In the embodiment, the bimetal 4 includes a bimetal main body 41, a pulling piece 42 forming an annular structure with the bimetal main body 41, and a fixing piece 43 inside the pulling piece 42, the bimetal main body 41 is in abutting fit with the upper surface of the top block 6, and the pulling piece 42 is in abutting fit with the upper end of the top rod 5.
Two spacing posts 31 are symmetrically arranged on two sides of the bimetallic strip 4, and the arrangement of the spacing posts 31 can prevent the bimetallic strip 4 from being extruded by the outer wall of the water heating equipment to cause inaccuracy of the installation position. Two spacing posts 31 and kicking block 6 constitute the isosceles triangle structure of looks parallel and level, stable in structure, the temperature controller is installed on the outer wall of water heating equipment back, and bimetallic strip main part 41 of bimetallic strip 4 presss from both sides between the outer wall of water heating equipment and kicking block 6 to hug closely mutually with the outer wall of water heating equipment, two spacing posts 31 offset and play limiting displacement with the outer wall of water heating equipment, the excessive extrusion of the outer wall of having avoided water heating equipment to the plectrum 42 department of bimetallic strip 4.
In the embodiment, the cover plate 3 is provided with a bimetallic strip fixing seat 7, the bimetallic strip fixing seat 7 is provided with a limiting groove 71, and the fixing plate 43 is embedded in the bimetallic strip fixing seat 7.
In the embodiment, a positioning column 71a is disposed in the limiting groove 71, a positioning hole 43a adapted to the positioning column 71a is disposed on the fixing plate 43 of the bimetal 4, and the positioning hole 43a is sleeved on the positioning column 71 a.
The limiting groove 71 of the bimetallic strip fixing seat 7 limits the installation position of the bimetallic strip 4, the accuracy of the installation position of the bimetallic strip 4 is guaranteed, and the convenience and the accuracy of installation of the bimetallic strip 4 are further guaranteed through the matching of the positioning hole 43a and the positioning column 71 a.
In the embodiment, the base 1 is symmetrically provided with the clamping grooves 11, the cover plate 3 is symmetrically provided with the clamping blocks 32 matched with the clamping grooves 11, and the clamping blocks 32 are embedded in the corresponding clamping grooves 11.
Through the cooperation of the clamping blocks 32 on the cover plate 3 and the clamping grooves 11 on the base 1, the cover plate 3 and the base 1 are clamped together, and the structure is simple, and the assembly is convenient and reliable.
In the embodiment, two sides of the base 1 are respectively provided with a fixing lug 12 integrally formed with the base 1, and the fixing lugs 12 are respectively provided with a fixing hole 12 a.
In the embodiment, the fixing holes 12a are all kidney-shaped holes. The waist-shaped hole is adopted, so that the installation position of the temperature controller can be conveniently adjusted, and the temperature controller is more convenient to install.
The working principle is as follows:
the temperature controller is arranged on the outer wall of the water heating device, the bimetallic strip 4 is tightly attached to the outer wall of the water heating device, and the bimetallic strip main body 41 is a plane when in normal use; the first conducting strip 21, the movable contact 23 and the second conducting strip 22 are connected in sequence, and the first conducting strip 21 and the second conducting strip 22 extending out of the base 1 are connected with the water heating device to form an electric loop.
When the water heating device is dried, the temperature of the outer wall of the water heating device can be rapidly raised, the temperature of the outer wall is transferred to the bimetallic strip 4, the poking piece 42 of the bimetallic strip 4 is bounced towards the ejector rod 5, the movable contact piece 23 is pushed downwards through the ejector rod 5, the movable contact piece 23 is separated from the second conductive piece 22, the electric circuit is disconnected, the water heating device stops working, and therefore the purpose of preventing the dried burning is effectively achieved.
The anti-dry heating temperature controller has simple structure and sensitive control, is suitable for water heating devices of electric kettles and water dispensers, adopts the bimetallic strip 4 to sense the temperature of the outer wall of the water heating device, has wide application range, and can be used for water heating devices of 2200W and below.
While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the present invention.
Claims (5)
1. An anti-dry heating temperature controller comprises a base (1), wherein a containing cavity (1a) is formed in the base (1), a first conducting strip (21), a second conducting strip (22) and a movable contact strip (23) are arranged in the containing cavity (1a), and the anti-dry heating temperature controller is characterized in that one end of the first conducting strip (21) extends out of the base (1), the other end of the first conducting strip (21) is fixedly connected with one end of the movable contact strip (23), the other end of the movable contact strip (23) upwarps and is in contact fit with the lower surface of one end of the second conducting strip (22), and the other end of the second conducting strip (22) extends out of the base (1); the base (1) is provided with a cover plate (3), a bimetallic strip (4) is fixed on the cover plate (3), the lower surface of the bimetallic strip (4) is abutted and matched with the upper end of a top rod (5), the top rod (5) penetrates through the cover plate (3) and extends into the base (1), and the lower end of the top rod (5) is abutted and matched with the movable contact spring (23); a top block (6) is further arranged in the accommodating cavity (1a) of the base (1), and the upper end of the top block (6) penetrates through the cover plate (3) to be abutted and matched with the lower surface of the bimetallic strip (4); the ejector rod (5) is made of ceramic materials, and the ejector block (6) is also made of ceramic materials;
a top block fixing seat (1b) is arranged in the accommodating cavity (1a), and the top block (6) is vertically clamped on the top block fixing seat (1 b); two limiting columns (31) are symmetrically arranged on the cover plate (3), the height of each limiting column (31) is flush with the extending height of the jacking block (6), and the limiting columns (31) and the jacking blocks (6) form an isosceles triangle structure;
the bimetallic strip (4) comprises a bimetallic strip main body (41), a shifting piece (42) and a fixing piece (43), wherein the shifting piece (42) and the bimetallic strip main body (41) form an annular structure, the fixing piece (43) is arranged inside the shifting piece (42), the bimetallic strip main body (41) is abutted and matched with the upper surface of the ejector block (6), and the shifting piece (42) is abutted and matched with the upper end of the ejector rod (5);
apron (3) on be provided with bimetallic strip fixing base (7), bimetallic strip fixing base (7) on seted up spacing groove (71), stationary blade (43) inlay in bimetallic strip fixing base (7).
2. The temperature controller of claim 1, wherein: a positioning column (71a) is arranged in the limiting groove (71), a positioning hole (43a) matched with the positioning column (71a) is formed in a fixing sheet (43) of the bimetallic strip (4), and the positioning hole (43a) is sleeved on the positioning column (71 a).
3. The temperature controller of claim 2, wherein: the base (1) on the symmetry be provided with draw-in groove (11), apron (3) on the symmetry be provided with draw-in groove (11) looks adaptation fixture block (32), fixture block (32) inlay in corresponding draw-in groove (11).
4. The temperature controller of claim 3, wherein: the fixing device is characterized in that fixing lugs (12) which are integrally formed with the base (1) are respectively arranged on two sides of the base (1), and fixing holes (12a) are respectively formed in the fixing lugs (12).
5. The temperature controller of claim 4, wherein: the fixing holes (12a) are all kidney-shaped holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610978629.2A CN106352553B (en) | 2016-11-08 | 2016-11-08 | Dry burning prevention temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610978629.2A CN106352553B (en) | 2016-11-08 | 2016-11-08 | Dry burning prevention temperature controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106352553A CN106352553A (en) | 2017-01-25 |
| CN106352553B true CN106352553B (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610978629.2A Active CN106352553B (en) | 2016-11-08 | 2016-11-08 | Dry burning prevention temperature controller |
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| Country | Link |
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| CN (1) | CN106352553B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2427553A1 (en) * | 1974-06-07 | 1975-12-18 | Graesslin Feinwerktech | Two-position temperature controller with bimetallic temperature sensor - has electrical contact device momentarily reversed by permanent magnet |
| CN2521740Y (en) * | 2002-01-14 | 2002-11-20 | 邵志成 | Temperature controller, electric connector and electric water heater |
| CN201051468Y (en) * | 2007-05-22 | 2008-04-23 | 沈士涛 | Dry combustion prevention temperature controller for electric water jar |
| CN201708088U (en) * | 2010-06-22 | 2011-01-12 | 蒋仙保 | Dry burning preventive temperature controller for electric kettle |
| CN102697397A (en) * | 2012-06-25 | 2012-10-03 | 张夏意 | Novel dual temperature controlled electric kettle socket |
| CN206131466U (en) * | 2016-11-08 | 2017-04-26 | 奉化市意立达塑胶有限公司 | Anti -dry heating temperature controller |
| CN209515561U (en) * | 2019-04-30 | 2019-10-18 | 邱利萍 | A kind of temperature controller |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BG395Y1 (en) * | 1998-03-19 | 2000-05-31 | "Електроапаратура" ЕООД | Temperature limiter |
-
2016
- 2016-11-08 CN CN201610978629.2A patent/CN106352553B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2427553A1 (en) * | 1974-06-07 | 1975-12-18 | Graesslin Feinwerktech | Two-position temperature controller with bimetallic temperature sensor - has electrical contact device momentarily reversed by permanent magnet |
| CN2521740Y (en) * | 2002-01-14 | 2002-11-20 | 邵志成 | Temperature controller, electric connector and electric water heater |
| CN201051468Y (en) * | 2007-05-22 | 2008-04-23 | 沈士涛 | Dry combustion prevention temperature controller for electric water jar |
| CN201708088U (en) * | 2010-06-22 | 2011-01-12 | 蒋仙保 | Dry burning preventive temperature controller for electric kettle |
| CN102697397A (en) * | 2012-06-25 | 2012-10-03 | 张夏意 | Novel dual temperature controlled electric kettle socket |
| CN206131466U (en) * | 2016-11-08 | 2017-04-26 | 奉化市意立达塑胶有限公司 | Anti -dry heating temperature controller |
| CN209515561U (en) * | 2019-04-30 | 2019-10-18 | 邱利萍 | A kind of temperature controller |
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| Publication number | Publication date |
|---|---|
| CN106352553A (en) | 2017-01-25 |
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Address after: 315500 no.428, NANDA Road, Jinping street, Fenghua City, Ningbo City, Zhejiang Province Applicant after: Ningbo Fenghua Lida Plastic Co.,Ltd. Address before: 315500 no.428, NANDA Road, Jinping street, Fenghua City, Ningbo City, Zhejiang Province Applicant before: FENGHUA YILIDA PLASTIC Co.,Ltd. |
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