CN111900033B - Overheat protector for automobile window - Google Patents
Overheat protector for automobile window Download PDFInfo
- Publication number
- CN111900033B CN111900033B CN202010862150.9A CN202010862150A CN111900033B CN 111900033 B CN111900033 B CN 111900033B CN 202010862150 A CN202010862150 A CN 202010862150A CN 111900033 B CN111900033 B CN 111900033B
- Authority
- CN
- China
- Prior art keywords
- insulating frame
- electric heating
- terminal
- binding post
- connecting terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000001012 protector Effects 0.000 title claims abstract description 16
- 238000005485 electric heating Methods 0.000 claims abstract description 35
- 241000463219 Epitheca Species 0.000 claims description 8
- 230000004308 accommodation Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 2
- 238000013021 overheating Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 7
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
-
- 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
- H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
- H01H37/5427—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting encapsulated in sealed miniaturised housing
-
- 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
- H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
- H01H2037/5463—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting the bimetallic snap element forming part of switched circuit
-
- 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
- H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
- H01H2037/5481—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting the bimetallic snap element being mounted on the contact spring
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an overheat protector for an automobile window, which comprises an upper shell and a lower shell, wherein a containing space for placing components is formed between the upper shell and the lower shell, each component comprises insulating paper, a heating wire assembly and a bimetallic strip which are sequentially arranged in the containing space from bottom to top, each heating wire assembly comprises a first connecting terminal and a second connecting terminal which are nested in an insulating frame, the first connecting terminal and the second connecting terminal which are positioned in the insulating frame are connected through an electric heating piece, the first connecting terminal positioned outside the insulating frame is connected with the lower shell, a fixed contact is arranged on the second connecting terminal positioned outside the insulating frame, one end of the bimetallic strip is fixedly provided with a movable contact which can be in contact with or disconnected from the fixed contact, and the other end of the bimetallic strip is fixedly arranged at the bottom of the upper shell.
Description
Technical Field
The invention relates to a protector, in particular to an overheat protector.
Background
The thermal protector is a temperature controller formed by combining two different alloys, when the electric appliance works normally, the bimetallic strip is in a free state, the contact is in a closed/open state, when the temperature rises to an action temperature value, the bimetallic element is heated to generate internal stress to act rapidly, the contact is opened/closed, and a circuit is cut off/connected, so that the thermal protection effect is achieved. When the temperature is reduced to the set temperature, the contact is automatically closed/opened, and the normal working state is recovered. The prior art discloses a window motor overcurrent protector, and it includes epitheca and split type inferior valve, form the accommodation space that is used for placing components and parts between epitheca and the inferior valve, its weak point lies in, the inferior valve of this protector is split type structure, can form the passageway between the split type structure, in the use, often can have the dust to get into accommodation space from this passageway to influence the work of inside components and parts.
Disclosure of Invention
The invention aims to provide an overheat protector for an automobile window, which enhances the sealing property and improves the reliability.
The purpose of the invention is realized as follows: the utility model provides an overheat protector for car door window, includes epitheca and inferior valve, form the accommodation space that is used for placing components and parts between epitheca and the inferior valve, components and parts include interior by supreme insulation paper, heater subassembly and bimetallic strip that set gradually in accommodation space down, its characterized in that, the heater subassembly includes nested first binding post and the second binding post in insulating frame, links to each other through electric heating plate between the first binding post that is located insulating frame inside and the second binding post, and the first binding post that is located insulating frame outside links to each other with the inferior valve, is located to be provided with the stationary contact on the outside second binding post of insulating frame, the one end of bimetallic strip be fixed with can with the movable contact that the stationary contact contacted or broke off, the other end of bimetallic strip is fixed in the epitheca bottom.
Compared with the prior art, the invention has the beneficial effects that: the lower shell is designed into a fully-closed structure, so that the sealing property in the accommodating space is enhanced; the electric heating sheet structure is thinner relative to the electric heating wire, so that the thickness of the whole product can be compressed; the stability of two binding post has been guaranteed through insulating frame and two binding post's nested formula cooperation, and set up the electric heating piece and make insulating frame can play certain guard action to it in insulating frame, stability when further strengthening the use. The invention can be used in the automobile window motor.
As a further limitation of the present invention, both sides of the first connection terminal located inside the insulating frame extend in a direction of the second connection terminal to form two sides, end portions of the two sides protrude out of the insulating frame from the other side of the insulating frame, and the second connection terminal is disposed between the two sides. The design of the two edges ensures that the contact area of the first wiring terminal is larger and more reliable when the first wiring terminal is nested and combined with the insulating frame.
As a further limitation of the present invention, the first connection terminal and the second connection terminal located inside the insulating frame are both bent upward to form an upward convex structure, a root of one side of the first connection terminal located inside the insulating frame extends toward a center of the insulating frame to form a first connection portion, the second connection terminal located inside the insulating frame extends inward to form a second connection portion, the first connection portion and the second connection portion are diagonally distributed inside the insulating frame, two ends of the electric heating plate are respectively connected to the first connection portion and the second connection portion, and the electric heating plate is of a serpentine structure. The upward convex structure enables a gap to be formed between the two wiring terminals in the insulating frame and the lower shell, and further enables the space layout of the electric heating piece to be arranged upwards, so that the electric heating piece is closer to the bimetallic strip, and the triggering of the bimetallic strip is more sensitive; just can make electric heating plate thickness thinner, length is longer through the electric heating plate of winding design on the cooperation of the first wiring portion and the second wiring portion of diagonal line formula overall arrangement, guarantee that the performance of its work does not receive the influence in space, and still make electric heating plate can keep balance when the installation, finally make the electric heating plate of thin slice formula just can realize better trigger effect for electric heating wire in the past under the prerequisite that does not influence, circular electric heating wire processes into and levels the structure and is higher for the electric heating plate degree of difficulty of slice.
In a further aspect of the present invention, the insulating frame is formed with a support edge on an inner periphery thereof, and the meandering portion of the electric heating sheet extends outward to form a overlapping edge overlapping the support edge. The design makes the installation of the electric heating plate more stable and reliable.
As a further limitation of the present invention, the first wire connecting portion and the second wire connecting portion are each formed with a protrusion for connecting both ends of the electric heating sheet.
Drawings
FIG. 1 is a side sectional view of the present invention.
FIG. 2 is a cross-sectional view of a heater assembly according to the present invention.
FIG. 3 is a top view of the heater assembly of the present invention.
The heating wire assembly comprises an upper shell 1, a lower shell 2, a boss 2a, insulating paper 3, a through hole 3a, a heating wire assembly 4, an insulating frame 41, a supporting edge 41a, a first wiring terminal 42, two edges 42a and 42b, a first wiring part 42c, a protrusion 42d, a second wiring terminal 43, a second wiring part 43a, a protrusion 42b, an electric heating sheet 44, a lap edge 44a, a bimetallic strip 5, a static contact 6, a movable contact 7, an accommodating space 8 and a spherical protrusion 9.
Detailed Description
As shown in fig. 1-3, an overheat protector for an automobile window includes an upper casing 1 and a lower casing 2, a receiving space 8 for placing components is formed between the upper casing 1 and the lower casing 2, the components include an insulating paper 3, a heating wire assembly 4 and a bimetal 5, the insulating paper 3 is sequentially arranged in the receiving space 8 from bottom to top, the heating wire assembly 4 includes a first connecting terminal 42 and a second connecting terminal 43, the first connecting terminal 42 and the second connecting terminal 43 are nested in an insulating frame 41, the first connecting terminal 42 and the second connecting terminal 43 are connected through an electric heating sheet 44, the first connecting terminal 42 and the lower casing 2 are connected outside the insulating frame 41, a stationary contact 6 is arranged on the second connecting terminal 43, the stationary contact 7 is fixed at one end of the bimetal 5, the movable contact 7 can be contacted with or disconnected from the stationary contact 6, the other end of the bimetal 5 is fixed at the bottom of the upper casing 1 through rivet, and a spherical protrusion 9 matched with the bimetal 5 is arranged at the middle bottom of the upper casing 1.
Two sides of the first connecting terminal 42 positioned in the insulating frame 41 extend towards the second connecting terminal 43 to form two sides 42a, 42b, the end parts of the two sides 42a, 42b extend out of the insulating frame 41 from the other side of the insulating frame 41, the second connecting terminal 43 is arranged between the two sides 42a, 42b, the first connecting terminal 42 and the second connecting terminal 43 positioned in the insulating frame 41 are both bent upwards to form an upward convex structure, the root part of one side 41a of the first connecting terminal 42 positioned in the insulating frame 41 extends towards the center of the insulating frame 41 to form a first connecting part 42c, the second connection terminal 43 located in the insulation frame 41 extends inward to form a second connection portion 43a, the first connection portion 42c and the second connection portion 43a are distributed diagonally inside the insulation frame 41, two ends of the electric heating sheet 44 are connected to the first connection portion 42c and the second connection portion 43a, respectively, the electric heating sheet 44 is of a serpentine structure, a support edge 41a is formed on the inner circumference of the insulation frame 41, a lap edge 44a lapped on the support edge 41a is formed by extending outward from the serpentine portion of the electric heating sheet 44, and protrusions 42d and 43b for connecting two ends of the electric heating sheet 44 are formed on the first connection portion 42c and the second connection portion 43 a; a plurality of bosses 2a contacting with the first connecting terminals 42 are formed upwards on the lower case 2, through holes 3a for the bosses 2a to pass through are formed in the insulating paper 3, four bosses 2a are arranged, two of the bosses and two edges 42a and 42b extend out of two ends of the insulating frame 41 to be connected, and the other two bosses are connected with the first connecting terminals 42 located outside the insulating frame 41.
When the electric heating device works, two terminals extend from the upper shell 1 and the lower shell 2 to serve as positive and negative electrodes, current forms a loop through the upper shell 1= > the bimetallic strip 5= > the movable contact 7= > the stationary contact 6= > the second wiring terminal 43= > the electric heating strip 44= > the first wiring terminal 42= > the lower shell 2 after the electricity is electrified, when the motor works and is in resistance, the electric heating strip 44 is heated, the bimetallic strip 5 bounces after the heating is heated, the movable contact 7 is separated from the stationary contact 6, the loop is disconnected, no current flows through the electric heating strip 44 any more, the temperature of the electric heating strip 44 is reduced, the bimetallic strip 5 rebounds after the temperature is reduced, the movable contact 7 is in charging contact with the stationary contact 6, and the loop is conducted again.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts based on the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (5)
1. The utility model provides an overheat protector for car door window, includes epitheca and inferior valve, form the accommodation space that is used for placing components and parts between epitheca and the inferior valve, its characterized in that, components and parts include interior by supreme insulation paper, heater subassembly and the bimetallic strip of setting gradually in accommodation space down, the heater subassembly includes nested first binding post and the second binding post in insulating frame, links to each other through electric heating plate between the first binding post that is located insulating frame inside and the second binding post, electric heating plate is for winding structure, and the first binding post that is located insulating frame outside links to each other with the inferior valve, is located to be provided with the stationary contact on the outside second binding post of insulating frame, the one end of bimetallic strip be fixed with can with the movable contact of stationary contact point contact or disconnection, the other end of bimetallic strip is fixed in the epitheca bottom.
2. A thermal protector for vehicle windows according to claim 1 in which the first terminal is located within the insulating frame on either side thereof and extends towards the second terminal to form two edges, the ends of the two edges projecting from the insulating frame on the other side thereof, the second terminal being located between the two edges.
3. The overheat protector for vehicle windows according to claim 2, wherein the first connecting terminal and the second connecting terminal located inside the insulating frame are bent upward to form a convex structure, a root portion of one side of the first connecting terminal located inside the insulating frame extends toward a center of the insulating frame to form a first connecting portion, the second connecting terminal located inside the insulating frame extends inward to form a second connecting portion, the first connecting portion and the second connecting portion are diagonally distributed inside the insulating frame, and both ends of the electric heating element are connected to the first connecting portion and the second connecting portion, respectively.
4. The overheat protector for vehicle window as claimed in claim 3, wherein a support edge is formed on an inner periphery of the insulating frame, and the meandering portion of the electric heating sheet extends outward to form a overlapping edge overlapping the support edge.
5. A protector against overheating in accordance with claim 3, wherein the first and second terminal portions are each formed with a projection for connecting both ends of the electric heating element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010862150.9A CN111900033B (en) | 2020-08-25 | 2020-08-25 | Overheat protector for automobile window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010862150.9A CN111900033B (en) | 2020-08-25 | 2020-08-25 | Overheat protector for automobile window |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111900033A CN111900033A (en) | 2020-11-06 |
| CN111900033B true CN111900033B (en) | 2022-12-23 |
Family
ID=73225363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010862150.9A Active CN111900033B (en) | 2020-08-25 | 2020-08-25 | Overheat protector for automobile window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111900033B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510587A (en) * | 2011-11-01 | 2012-06-20 | 常熟新诚鑫织造有限公司 | Electric heating fabric |
| CN107230582A (en) * | 2017-07-28 | 2017-10-03 | 宝应电器厂 | A kind of double-metal sheet type motor thermal protector and its manufacture craft |
| CN207966857U (en) * | 2017-12-28 | 2018-10-12 | 扬州德宝电器科技有限公司 | A kind of New-type electric machine overcurrent overheat protector |
| CN208571583U (en) * | 2018-07-11 | 2019-03-01 | 江阴职业技术学院 | A kind of built-in thermosensitive resistance motor protecter |
-
2020
- 2020-08-25 CN CN202010862150.9A patent/CN111900033B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510587A (en) * | 2011-11-01 | 2012-06-20 | 常熟新诚鑫织造有限公司 | Electric heating fabric |
| CN107230582A (en) * | 2017-07-28 | 2017-10-03 | 宝应电器厂 | A kind of double-metal sheet type motor thermal protector and its manufacture craft |
| CN207966857U (en) * | 2017-12-28 | 2018-10-12 | 扬州德宝电器科技有限公司 | A kind of New-type electric machine overcurrent overheat protector |
| CN208571583U (en) * | 2018-07-11 | 2019-03-01 | 江阴职业技术学院 | A kind of built-in thermosensitive resistance motor protecter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111900033A (en) | 2020-11-06 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240514 Address after: 17-5, 17th Floor, Building C, Zhigu Technology Complex, No. 186 Yangzijiang Middle Road, Development Zone, Yangzhou City, Jiangsu Province, 225000 Patentee after: Yangzhou Yingyu Intelligent Manufacturing Co.,Ltd. Country or region after: China Address before: Room 301, Building 20, No. 26, Jiangyang Middle Road, Guangling District, Yangzhou City, Jiangsu Province, 225000 Patentee before: Zhu Tianbing Country or region before: China |