CN210956552U - Automatic recovery type power-off protector - Google Patents
Automatic recovery type power-off protector Download PDFInfo
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- CN210956552U CN210956552U CN201921815119.9U CN201921815119U CN210956552U CN 210956552 U CN210956552 U CN 210956552U CN 201921815119 U CN201921815119 U CN 201921815119U CN 210956552 U CN210956552 U CN 210956552U
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Abstract
The utility model relates to a circuit protection device technical field provides an automatic recovery type power-off protection ware, include: the insulating housing, first electrode piece, the second electrode piece, and bimetallic strip, the last through-hole that is equipped with of insulating housing, the inner wall of through-hole is provided with first annular and second annular along the axial interval of through-hole, first electrode piece is installed in first annular, the second electrode piece is installed in the second annular, bimetallic strip includes position and middle part all around, the position is installed in first annular and is connected with first electrode piece electricity all around, the middle part is with second electrode piece butt at normal atmospheric temperature, perhaps the middle part takes place to deform under being higher than preset temperature and separates with the second electrode piece. The bimetallic strip can deform at different temperatures, so that the automatic power-off and automatic power-on recovery functions of the power-off protector are realized.
Description
Technical Field
The utility model belongs to the technical field of circuit protection device technique and specifically relates to an automatic recovery type power-off protection ware is related to.
Background
The overheat power-off protection is widely applied to the fields of lightning stroke prevention, electromagnetic pulse prevention and electrostatic protection in electronic equipment, signals and power systems, and the most common breaker protector is a temperature fuse. The temperature fuse will blow when the temperature reaches its nominal value, thereby protecting the equipment from fire due to excessive temperature. However, thermal fuses also have certain disadvantages: 1. first, it is not recoverable, the entire circuit will be open once the thermal fuse is activated, and some circuits do not require it to be unrecoverable after opening. 2. It can not be welded and processed in a common way, and the temperature fuse can be disconnected by mistake when the welding method is used.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic recovery type power-off protection ware aims at solving the technical problem that the fuse among the prior art can not weld and can not automatic recovery after the fusing.
In order to achieve the above object, the utility model adopts the following technical scheme: an automatic recovery type power outage protector, comprising: insulating casing, first electrode piece, second electrode piece to and bimetallic strip, the last through-hole that is equipped with of insulating casing, the inner wall of through-hole is followed the axial interval of through-hole is provided with first annular and second annular, first electrode piece is installed in the first annular, the second electrode piece is installed in the second annular, bimetallic strip includes position and middle part all around, the position is installed all around in the first annular and with first electrode piece electricity is connected, the middle part at normal atmospheric temperature with second electrode piece butt, perhaps the middle part under being higher than preset the temperature take place deformation with the separation of second electrode piece.
In one embodiment, the central portion is convexly disposed relative to an outer surface of the peripheral portion.
In one embodiment, a groove is formed in one side, close to the bimetallic strip, of the first electrode plate, and the groove is used for accommodating the middle part.
In one embodiment, a boss is arranged on one side of the second electrode plate close to the bimetallic strip, and the boss is abutted to or separated from the middle part.
In one embodiment, the insulation housing is divided into a first half housing and a second half housing along the axis of the through hole, and the first half housing and the second half housing are bonded.
In one embodiment, the side of the first and second electrode plates away from the bimetallic strip is planar.
In one embodiment, the first and second electrode pads are both circular electrode pads.
In one embodiment, the first electrode sheet and the second electrode sheet are both made of copper material.
In one embodiment, the insulating housing is a toroidal housing.
In one embodiment, the insulating housing is made of a ceramic material.
The utility model has the advantages that:
the utility model provides a pair of automatic recovery type power-off protection ware, under normal atmospheric temperature, bimetallic strip is connected with first electrode slice and second electrode slice electricity respectively, make first electrode slice and second electrode slice be in the access state, when the temperature is higher than predetermineeing the temperature, bimetallic strip takes place deformation and separates with the second electrode slice, thereby make first electrode slice and second electrode slice be in the state of opening circuit, wherein first electrode slice and second electrode slice can weld with the conductor wire, bimetallic strip and first electrode slice welding, thereby can make this power-off protection ware have the auto-power-off, the advantage of automatic recovery circular telegram and welding, and the cost of artifical change fuse has been reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an automatic recovery type power-off protector provided in an embodiment of the present invention in a power-on state;
fig. 2 is a schematic structural diagram of an automatic recovery type power-off protector provided in the embodiment of the present invention in a power-off state;
fig. 3 is a schematic structural diagram of an insulating housing of an automatic recovery type power-off protector according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first half shell or a second half shell of an automatic recovery type power-off protector according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a first electrode plate of an automatic recovery type power-off protector according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a second electrode plate of the automatic recovery type power-off protector according to the embodiment of the present invention;
fig. 7 is a schematic structural diagram of a bimetal of the automatic recovery type power-off protector according to the embodiment of the present invention.
Reference numerals: 1. an insulating housing; 11. a through hole; 12. a first ring groove; 13. a second ring groove; 2. a first electrode sheet; 21. a groove; 3. a second electrode sheet; 31. a boss; 4. a bimetal; 41. the peripheral parts; 42. a middle part.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1 to fig. 3, a description will now be given of an automatic recovery type power-off protector according to an embodiment of the present invention. This automatic recovery type power-off protector includes: the double-metal-sheet-metal-insulator-type double-metal-sheet device comprises an insulating shell 1, a first electrode sheet 2, a second electrode sheet 3 and a. Wherein, be equipped with through-hole 11 on the insulating casing 1, the inner wall of through-hole 11 is provided with first annular 12 and second annular 13 along the axial interval of through-hole 11, and first electrode slice 2 part is installed in first annular 12, and second electrode slice 3 part is installed in second annular 13 for first electrode slice 2 and the interval setting of second electrode slice 3 are in insulating casing 1.
The bimetallic strip 4 comprises a peripheral part 41 and a middle part 42, the peripheral part 41 is installed in the first annular groove 12 and is electrically connected with the first electrode plate 2, the middle part 42 is abutted with the second electrode plate 3 at normal temperature, or the middle part 42 is deformed to be separated from the second electrode plate 3 at a temperature higher than a preset temperature.
In this embodiment, the normal temperature refers to a temperature at which the power-off protector of this embodiment can normally work, and when the power-off protector is applied to different electronic devices, the normal working temperatures of the power-off protector are different, so that the normal temperature can be changed according to different use scenes, and no specific temperature requirement is made here; the preset temperature refers to the temperature at which the bimetallic strip 4 deforms, and the temperature at which the bimetallic strip 4 deforms can be customized, that is, the temperature at which the bimetallic strip 4 deforms can be customized into different temperature values, such as 40 °, 50 °, 60 °, 70 °, 80 ° and the like, according to different use scenes, and when the normal temperature is lower than the preset temperature, the bimetallic strip 4 is in an initial state, and then is electrified; when the temperature is higher than the preset temperature, the bimetallic strip 4 deforms, and the power is cut off; thereby the purpose of automatic power-off and automatic power-on is achieved. The occurrence of an electric fire can be prevented well by the bimetal 4.
In this embodiment, the peripheral portion of the bimetal 4 and the first electrode plate 2 may be welded, or may be mounted in the first annular groove 12 after being tightly attached, that is, the bimetal 4 is always in an electrical connection state with the first electrode plate 2.
The embodiment of the utility model provides an automatic recovery type power-off protector, under the normal atmospheric temperature, bimetallic strip 4 is connected with first electrode piece 2 and 3 electricity of second electrode piece respectively, make first electrode piece 2 and second electrode piece 3 be in the access state, when the temperature is higher than predetermineeing the temperature, bimetallic strip 4 takes place deformation and separates with second electrode piece 3, thereby make first electrode piece 2 and second electrode piece 3 be in the state of opening circuit, reach the auto-power-off guard action, wherein first electrode piece 2 and second electrode piece 3 can weld with the conducting wire, bimetallic strip 4 also can weld with first electrode piece 2, thereby can make this power-off protector have auto-power-off, the advantage of auto-recovery circular telegram and weldable, and the cost of artifical change fuse has been reduced.
In the present embodiment, as shown in fig. 1 and 7, the bimetal 4 is disk-shaped as a whole, and the middle portion 42 is protruded from the outer surface of the peripheral portion 41. The middle part 42 is convexly arranged, so that the bimetallic strip 4 is convenient to deform and is ensured to be abutted against the second electrode plate 3 to realize electric connection.
In the present embodiment, as shown in fig. 1 and 5, a groove 21 is formed on one side of the first electrode plate 2 close to the bimetal 4, and the groove 21 is used for accommodating the middle portion 42. The groove 21 is used for accommodating the middle part 42 after the bimetal strip 4 deforms, so that a sufficient gap is ensured between the bimetal strip 4 and the second electrode plate 3, and the bimetal strip 4 and the second electrode plate 3 are in a power-off state.
In the present embodiment, as shown in fig. 1 and 6, a boss 31 is provided on a side of the second electrode tab 3 close to the bimetal 4, and the boss 31 is in contact with or separated from the intermediate portion 42. The arrangement of the boss 31 is used for ensuring that the bimetallic strip 4 and the second electrode plate 3 can be in good butt joint, and ensuring the stability of the electrical connection of the bimetallic strip 4 and the second electrode plate 3.
In the present embodiment, as shown in fig. 1, 3 and 4, the insulation housing 1 is divided into a first half housing and a second half housing along the axis of the through hole 11, the first half housing and the second half housing have the same structure, and the first half housing and the second half housing are bonded. The division of the insulating housing 1 into a first half-housing and a second half-housing facilitates the mounting of the first electrode plate 2, the second electrode plate 3 and the bimetal 4. In other embodiments, the abutting end surfaces of the first half shell and the second half shell may further be provided with respective positioning posts and positioning holes, so as to further ensure the firmness of the installation of the first half shell and the second half shell.
In this embodiment, the sides of the first electrode plate 2 and the second electrode plate 3 away from the bimetal 4 are flat surfaces. The plane is used for being respectively welded with a positive electrode lead and a negative electrode lead, and when the first electrode plate 2 is a positive plate, the second electrode plate 3 is a negative plate; or when the first electrode plate 2 is a negative electrode plate, the second electrode plate 3 is a positive electrode plate.
In the present embodiment, the cross sections of the first ring groove 12 and the second ring groove 13 are both circular grooves, the first electrode plate 2 and the second electrode plate 3 are both circular pole pieces, and the peripheral edges of the first electrode plate 2 and the second electrode plate 3 are mounted in the first ring groove 12 and the second ring groove 13. In other embodiments, the first ring groove 12 and the second ring groove 13 are both rectangular grooves in cross section.
In the present embodiment, the first electrode sheet 2 and the second electrode sheet 3 are both made of copper material. In other embodiments, the first electrode sheet 2 and the second electrode sheet 3 are both made of steel material.
In the present embodiment, the insulating housing 1 is a circular ring type housing, and in other embodiments, the insulating housing 1 is a rectangular housing.
In the present embodiment, the insulating housing 1 is made of a ceramic material. In other embodiments, the insulating housing 1 is made of a plastic material. The insulating shell 1 can also be made of other insulating materials, and the insulating and mounting effects can be achieved.
The embodiment of the utility model provides an automatic recovery type power-off protection ware has simple structure, auto-power-off, automatic switch-on and can weld the advantage of connecting.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An automatic recovery type power-off protector, comprising: insulating casing, first electrode piece, second electrode piece to and bimetallic strip, the last through-hole that is equipped with of insulating casing, the inner wall of through-hole is followed the axial interval of through-hole is provided with first annular and second annular, first electrode piece is installed in the first annular, the second electrode piece is installed in the second annular, bimetallic strip includes position and middle part all around, the position is installed all around in the first annular and with first electrode piece electricity is connected, the middle part at normal atmospheric temperature with second electrode piece butt, perhaps the middle part under being higher than preset the temperature take place deformation with the separation of second electrode piece.
2. An automatic recovery type power outage protector according to claim 1, characterized in that: the middle part is arranged in a protruding mode relative to the outer surface of the peripheral part.
3. An automatic recovery type power outage protector according to claim 2, characterized in that: one side of the first electrode plate, which is close to the bimetallic strip, is provided with a groove, and the groove is used for accommodating the middle part.
4. An automatic recovery type power outage protector according to claim 3, characterized in that: and a boss is arranged on one side of the second electrode plate close to the bimetallic strip and is abutted or separated from the middle part.
5. An automatic recovery type power outage protector according to claim 1, characterized in that: the insulating shell is divided into a first half shell and a second half shell along the axis of the through hole, and the first half shell and the second half shell are bonded.
6. An automatic recovery type power outage protector according to claim 5, characterized in that: one sides of the first electrode plate and the second electrode plate, which are far away from the bimetallic strip, are planes.
7. An automatic recovery type power outage protector according to claim 6, characterized in that: the first electrode plate and the second electrode plate are both circular electrode plates.
8. An automatic recovery type power outage protector according to claim 7, characterized in that: the first electrode plate and the second electrode plate are both made of copper materials.
9. An automatic recovery type power outage protector according to any one of claims 1 to 8, characterized in that: the insulating shell is a circular ring-shaped shell.
10. An automatic recovery type power outage protector according to any one of claims 1 to 8, characterized in that: the insulating shell is made of ceramic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921815119.9U CN210956552U (en) | 2019-10-25 | 2019-10-25 | Automatic recovery type power-off protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921815119.9U CN210956552U (en) | 2019-10-25 | 2019-10-25 | Automatic recovery type power-off protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210956552U true CN210956552U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921815119.9U Active CN210956552U (en) | 2019-10-25 | 2019-10-25 | Automatic recovery type power-off protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210956552U (en) |
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2019
- 2019-10-25 CN CN201921815119.9U patent/CN210956552U/en active Active
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