CN205354984U - Electric current overload protective device and have its domestic appliance - Google Patents
Electric current overload protective device and have its domestic appliance Download PDFInfo
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- CN205354984U CN205354984U CN201620110529.3U CN201620110529U CN205354984U CN 205354984 U CN205354984 U CN 205354984U CN 201620110529 U CN201620110529 U CN 201620110529U CN 205354984 U CN205354984 U CN 205354984U
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- movable contact
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- static contact
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Abstract
The utility model discloses an electric current overload protective device and have its domestic appliance, wherein, the electric current overload protective device include: base, base have first end and the second end relative with first end, static contact, static contact are established and are served first, and the static contact is suitable for to be connected with the wire, movable contact spring, movable contact spring are established on the base, have the movable contact on the movable contact spring, and the movable contact is suitable for the last surface contact with the static contact, sensing element, sensing element establish on the base and with the lower surface laminating of movable contact spring, sensing element's the width that is close to the tip of static contact is greater than sensing element's the width of keeping away from the tip of static contact, when movable contact spring temperature during above sensing element's predetermined temperature, sensing element deforms so that the movable contact breaks away from the static contact. According to the utility model discloses an electric current overload protective device can accelerate the speed that sensing element triggered the movable contact spring to quick messenger's static contact and movable contact separate with circuit break, have improved electric current overload protective device's reliability.
Description
Technical field
This utility model is related to protection of device field, especially relates to a kind of current over-load protector and has its household electrical appliance.
Background technology
In correlation technique; protector includes the sheet metal that two panels is substantially isometric; movable contact is located at the root at movable contact spring; in this kind of structure, bimetal leaf impact resistance is poor; and after protector uses for a long time; easily there are the faults such as deformation, temperature distortion in two metal sheets, consequently, it is possible to cause that protector lost efficacy.And contact is connected by welding manner, efficiency is low, there is failure welding and causes the situation point failure.Accordingly, it would be desirable to improve.
Utility model content
One of technical problem that this utility model is intended to solve in correlation technique at least to a certain extent.For this, the utility model proposes a kind of current over-load protector, the advantage that described current over-load protector has simple in construction, reliability is high.
This utility model also proposes a kind of household electrical appliance, and described electric household appliance has current over-load protector as above.
Current over-load protector according to this utility model embodiment, including: base, described base has the first end and second end relative with described first end；Static contact, described static contact is located on described first end, and described static contact is suitable to be connected with wire；Movable contact spring, described movable contact spring is located on described base, and described movable contact spring has movable contact, and described movable contact is located on the lower surface of described movable contact spring and is located close to the position of described first end, and described movable contact is suitable to and the upper surface of described static contact；Sensing element, described sensing element is located on described base and fits with the lower surface of described movable contact spring, the width of the end of the close described static contact of described sensing element is more than the width of the end away from described static contact of described sensing element, when described movable contact spring temperature exceedes the predetermined temperature of described sensing element, described sensing element deformation is so that described movable contact departs from described static contact.
Current over-load protector according to this utility model embodiment, by making movable contact be positioned on the lower surface of close first end of movable contact spring, and make the width of end of the close static contact of sensing element more than the width of the end away from static contact of sensing element, not only can reduce the length of static contact, avoid static contact to use for a long time and deformation occurs afterwards, the faults such as temperature distortion, and the sensing element deformation near the end of static contact can be increased, accelerate sensing element and trigger the speed of movable contact spring, movable contact is made to be more prone to depart from static contact so that cutting off circuit, such that it is able to improve the reliability of current over-load protector.
According to embodiments more of the present utility model, described sensing element is spaced apart with described static contact.
According to embodiments more of the present utility model, described base is provided with louvre.
Further, described louvre is located at the position near described first end.
Alternatively, described louvre is formed as circular hole, slotted eye or polygonal hole.
According to embodiments more of the present utility model, on the direction towards described first end, described movable contact spring width is gradually reduced.
According to embodiments more of the present utility model, described sensing element includes: first paragraph, and described first paragraph is connected with described base；Second segment, described second segment is connected with described first paragraph, and described second segment is positioned at one end of the close described static contact of described first paragraph, and the width of described second segment is more than the width of described first paragraph.
Further, two turnings of the close described static contact of described second segment are formed as fillet.
According to embodiments more of the present utility model, on the direction towards described first end, the width of described sensing element is gradually increased.
According to embodiments more of the present utility model, described sensing element is bimetal leaf.
According to embodiments more of the present utility model, described second end is bent to form kink towards described movable contact spring, and described sensing element is away from one end of described static contact, one end away from described movable contact of described movable contact spring and described kink riveting.
According to embodiments more of the present utility model, on described base, the position near described second end is provided with support protrusion, and described sensing element contacts with the free end of described support protrusion.
According to embodiments more of the present utility model, described current over-load protector also includes: being suitable to the wire fixing clamp of fixing described wire, described wire fixing clamp is located at described first end, and described static contact is located on described wire fixing clamp.
According to embodiments more of the present utility model, described movable contact and described movable contact spring riveting.
Household electrical appliance according to this utility model embodiment, including: circuit board, described circuit board is provided with power connector end；Root current over-load protector as above；And wire, the static contact of current over-load protector described in one end of described wire connects, and the other end of described wire is connected with described power connector end.
Household electrical appliance according to this utility model embodiment, by arranging current over-load protector, it is possible to protection household electrical appliance are without damage when circuit malfunctions.
Accompanying drawing explanation
Fig. 1 is the structural representation of the current over-load protector according to this utility model embodiment；
Fig. 2 is the schematic diagram of the shell of the current over-load protector shown in Fig. 1 and internal structure thereof；
Fig. 3 is the explosive view of the current over-load protector shown in Fig. 1；
Fig. 4 is the internal structure schematic diagram of the current over-load protector shown in Fig. 2；
Fig. 5 be the internal structure along the current over-load protector shown in Fig. 4 A-A to sectional view；
Fig. 6 is the schematic diagram of another angle of the shell of the current over-load protector shown in Fig. 2 and internal structure thereof；
Fig. 7 is the internal structure schematic diagram of the current over-load protector shown in Fig. 6；
Fig. 8 is the explosive view of the internal structure of the current over-load protector shown in Fig. 6.
Accompanying drawing labelling:
Current over-load protector 100,
Shell 1,
Base 2, the first end 21, the second end 22, louvre 23, kink 24, support protrusion 25, rivet 26, flange 261,
Static contact 3, movable contact spring 4, movable contact 41,
Sensing element 5, first paragraph 51, second segment 52,
Wire fixing clamp 6, wire 7.
Detailed description of the invention
Being described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings.The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.
Below with reference to Fig. 1-Fig. 8, the current over-load protector 100 according to this utility model embodiment is described.
As it is shown on figure 3, the current over-load protector 100 according to this utility model embodiment, including base 2, static contact 3, movable contact spring 4 and sensing element 5.
Specifically, as shown in Figures 2 and 3, base 2 has the first end 21 and second end 22 relative with the first end 21, static contact 3 is located on the first end 21, static contact 3 is suitable to be connected with wire 7, and movable contact spring 4 is located on base 2, and movable contact spring 4 has movable contact 41, movable contact 41 is located on the lower surface of movable contact spring 4 and is located close to the position of the first end 21, and movable contact 41 is suitable to and the upper surface of static contact 3.Thus can reduce the length of static contact 3, it is to avoid after long-time use, the faults such as deformation, temperature distortion occurs in static contact 3, thus improving the reliability of current over-load protector 100.Sensing element 5 is located on base 2 and fits with the lower surface of movable contact spring 4, the width of the end of the close static contact 3 of sensing element 5 is more than the width of the end away from static contact 3 of sensing element 5, when movable contact spring 4 temperature exceedes the predetermined temperature of sensing element 5, sensing element 5 deformation is so that movable contact 41 departs from static contact 3.Thus can increasing the sensing element 5 deformation quantity near the end of static contact 3, accelerate sensing element 5 and trigger the speed of movable contact spring 4, making movable contact 41 be more prone to depart from static contact 3 so that cutting off circuit, such that it is able to improve the reliability of current over-load protector 100.
Current over-load protector 100 according to this utility model embodiment, by making movable contact 41 be positioned on the lower surface of close first end 21 of movable contact spring 4, and make the width of end of the close static contact 3 of sensing element 5 more than the width of the end away from static contact 3 of sensing element 5, not only can reduce the length of static contact 3, deformation occurs after avoiding static contact 3 to use for a long time, the faults such as temperature distortion, and the sensing element 5 deformation quantity near the end of static contact 3 can be increased, accelerate sensing element 5 and trigger the speed of movable contact spring 4, movable contact 41 is made to be more prone to depart from static contact 3 so that cutting off circuit, such that it is able to improve the reliability of current over-load protector 100.
In embodiments more of the present utility model; as shown in Figure 5; sensing element 5 and static contact 3 are spaced apart; thus can reduce the length of sensing element 5; thus improving the impact resistance of sensing element 5; eliminating the impact impacted current over-load protector 100 temperature, the movable contact spring 4 disconnected can also being avoided to be connected by sensing element 5 with static contact 3, thus improving the reliability of current over-load protector 100 simultaneously.
In preferred embodiments more of the present utility model, as shown in figures 3 and 8, base 2 is provided with louvre 23.Thus be conducive to the transmission of heat so that sensing element 5 can quickly sense heat and produce action so that movable contact 41 and static contact 3 separately, thus improving the response speed of current over-load protector 100, and then improve the reliability of current over-load protector 100.
Further, as shown in figures 3 and 8, louvre 23 is located at the position near the first end 21.Thus can be beneficial to the transmission of heat further; sensing element 5 is made can quickly to sense heat and produce action so that movable contact 41 and static contact 3 separate; thus improving the response speed of current over-load protector 100, and then improve the reliability of current over-load protector 100.Alternatively, louvre 23 is formed as circular hole, slotted eye or polygonal hole.Thus can increase the multiformity of louvre 23, and according to the shape of base 2 and structure, difform louvre 23 can be set to reach quickly to transmit the purpose of heat.
In embodiments more of the present utility model, as shown in Fig. 2, Fig. 3 and Fig. 8, on the direction towards the first end 21, movable contact spring 4 width is gradually reduced.Thus can reduce the rigidity of movable contact spring 4; when sensing element 5 produces action; sensing element 5 can quickly trigger movable contact spring 4 and be directed away from the direction motion of static contact 3 so that movable contact 41 separates with static contact 3, thus cutting off circuit, improves the reliability of current over-load protector 100.
In embodiments more of the present utility model, as shown in figures 3 and 8, sensing element 5 includes first paragraph 51 and second segment 52, first paragraph 51 is connected with base 2, second segment 52 is connected with first paragraph 51, second segment 52 is positioned at one end of the close static contact 3 of first paragraph 51, and the width of second segment 52 is more than the width of first paragraph 51.Thus can increase the deformation of the second segment 52 of sensing element 5, accelerate sensing element 5 and trigger the speed of movable contact spring 4, thus quickly making static contact 3 and movable contact 41 separate to cut off circuit, improve the reliability of current over-load protector 100.
Alternatively, as shown in figures 3 and 8, two turnings of the close static contact 3 of second segment 52 are formed as fillet.Thus can reduce the wedge angle of sensing element 5; make sensing element 5 rounder and more smooth; reducing the phenomenon that sensing element 5 deformation is uneven, thus being conducive to sensing element 5 to trigger movable contact spring 4 fast and accurately so that movable contact 41 separates with static contact 3, improving the reliability of current over-load protector 100.
In other embodiments of the present utility model, on the direction towards the first end 21, the width of sensing element 5 is gradually increased (not shown go out this example).Thus can increase the deformation of the second segment 52 of sensing element 5, accelerate sensing element 5 and trigger the speed of movable contact spring 4, thus quickly making static contact 3 and movable contact 41 separate to cut off circuit, improve the reliability of current over-load protector 100.
In embodiments more of the present utility model, sensing element 5 is bimetal leaf.Bimetallic sheet structure is simple, and cost is low, and reaction is fast, is conducive to triggering movable contact spring 4 so that movable contact 41 separates with static contact 3, thus cutting off circuit.
In embodiments more of the present utility model, as shown in figures 3 and 8, the second end 22 is bent to form kink 24 towards movable contact spring 4, and sensing element 5 is away from one end of static contact 3, one end away from movable contact 41 of movable contact spring 4 and kink 24 riveting.Thus it can be prevented that movable contact spring 4 and sensing element 5 come off, thus ensureing the reliability that current over-load protector 100 works.
Further, as it is shown in fig. 7, sensing element 5 adopts the mode of flange automation riveting to connect away from one end of static contact 3, one end away from movable contact 41 of movable contact spring 4 and kink 24.Namely flange 261 is formed at the two ends of the rivet 26 connected, such that it is able to prevent movable contact spring 4 and sensing element 5 from coming off further, it is ensured that the reliability of current over-load protector 100 work.
Alternatively, as shown in figures 3 and 8, on base 2, the position near the second end 22 is provided with support protrusion 25, and sensing element 5 contacts with the free end of support protrusion 25.Thus support protrusion 25 can support the lower surface of sensing element 5; movable contact spring 4 cannot be triggered fast and accurately so that movable contact 41 separates with static contact 3 towards the Direction distortion of base 2, thus improving the reliability of the work of current over-load protector 100 when preventing sensing element 5 by thermal deformation.
In embodiments more of the present utility model, as shown in Figure 2 and Figure 7, current over-load protector 100 also includes the wire fixing clamp 6 being suitable to fixing wire 7, and wire fixing clamp 6 is located at the first end 21, and static contact 3 is located on wire fixing clamp 6.Thus can so that the structure within current over-load protector 100 to be compacter, it is relatively reliable that static contact 3 is fixed.Further, wire fixing clamp 6 is located on base 2, thus can increase the reliability of structure of current over-load protector 100 further, it is prevented that occur that static contact 3 comes off and the situation that causes current over-load protector 100 to lose efficacy.
Alternatively; as shown in Figure 1-Figure 3, current over-load protector 100 also includes shell 1, and base 2, movable contact spring 4, static contact 3, sensing element 5 and wire fixing clamp 6 are positioned at shell 1; shell 1 can play the effect of protection internal structure, thus can improve the safety of current over-load protector 100.
Preferably, wire fixing clamp 6 and shell 1 are insulant part, thus it can be prevented that current over-load protector 100 lost efficacy, and improve the reliability of the work of current over-load protector 100.
In embodiments more of the present utility model, movable contact 41 and movable contact spring 4 riveting, thus can improve the switching performance of movable contact 41, and adopt the mode automaticity original text of riveted joint, concordance is good, and cost is low.
Below with reference to Fig. 1-Fig. 8, the current over-load protector 100 according to one specific embodiment of this utility model is described.
As it is shown on figure 3, the current over-load protector 100 according to this utility model embodiment, including shell 1, base 2, movable contact spring 4, static contact 3, sensing element 5 (such as bimetal leaf), wire fixing clamp 6 and wire 7.
Specifically, base 2, movable contact spring 4, static contact 3, sensing element 5 and wire fixing clamp 6 are located in shell 1, and base 2 has the first end 21 and second end 22 relative with the first end 21, and wire fixing clamp 6 is located at the first end 21 and fixing with the first end 21 is connected.Static contact 3 is located on the wire fixing clamp 6 of the first end 21, and the setting spaced apart with the upper surface of base 2 of the lower surface of static contact 3.Movable contact spring 4 is located on base 2, and on movable contact spring 4, riveted joint has movable contact 41, movable contact 41 to be located on the lower surface of movable contact spring 4 and be located close to the position of the first end 21 of base 2, and movable contact 41 is suitable to and the upper surface of static contact 3.On the direction towards the first end 21, the width of movable contact spring 4 is gradually reduced, and thus can reduce the rigidity near the first end 21 of movable contact spring 4, it is simple to sensing element 5 triggers movable contact spring 4 action so that movable contact 41 separates with static contact 3.
Sensing element 5 is located on base 2 and is located between movable contact spring 4 and base 2, and the lower surface of the upper surface of sensing element 5 and movable contact spring 4 is fitted.Sensing element 5 and static contact 3 interval are arranged, sensing element 5 includes first paragraph 51 and second segment 52, first paragraph 51 is connected with base 2, second segment 52 is connected with first paragraph 51, and second segment 52 is positioned at one end of close static contact 3 of first paragraph 51, the width of second segment 52 is more than the width of first paragraph 51, and two turnings of the close static contact 3 of second segment 52 are formed as fillet, and the area of sensing element 5 is more than the area of movable contact spring 4 simultaneously.Thus, when movable contact spring 4 temperature exceedes the predetermined temperature of sensing element 5, it is simple to sensing element 5 triggers movable contact spring 4 action so that movable contact 41 separates with static contact 3.
Second end 22 of base 2 forms kink 24 towards movable contact spring 4 bending, sensing element 5 adopts the mode of flange automation riveting to connect away from one end of static contact 3, one end away from movable contact 41 of movable contact spring 4 and kink 24, namely form flange 261 at the two ends of the rivet 26 connected, thus it can be prevented that movable contact spring 4 and sensing element 5 come off.
The position near the first end 21 of base 2 is provided with the louvre 23 of circle, being conducive to the transmission of heat so that sensing element 5 can quickly sense heat, thus producing deformation to trigger movable contact spring 4 action, making movable contact 41 separate with static contact 3.The position near the second end 22 of base 2 is provided with support protrusion 25; the lower surface of sensing element 5 contacts with the free end of support protrusion 25; thus sensing element 5 can be played the effect of support by support protrusion 25; sensing element 5 is prevented to be bent downwardly and cause triggering movable contact spring 4 action, thus improving the reliability of current over-load protector 100.
Current over-load protector 100 also includes two wires 7; wherein a wire 7 is connected with static contact 3; another root wire 7 is connected with base 2; when two wires 7 are connected with household electrical appliance and external power source respectively; a loop can be formed; and when household electrical appliance break down, movable contact 41 and static contact 3 in current over-load protector 100 can disconnect, thus cutting off circuit to protect household electrical appliance to be without prejudice.
Below with reference to Fig. 1-Fig. 8, the household electrical appliance according to this utility model embodiment are described.Household electrical appliance can be refrigerator, cooling-water machine, air-conditioner, electric fan, washing machine, vacuum cleaner, microwave oven, electric baker, electromagnetic oven, washing machine, water heater, television set etc..
Household electrical appliance according to this utility model embodiment, including circuit board, current over-load protector 100 and wire 7.
Specifically, circuit board is provided with power connector end, and one end of wire 7 is connected with the static contact 3 of current over-load protector 100, and the other end of wire 7 is connected with power connector end.When circuit board breaks down; in circuit, temperature raises; sensing element 5 in current over-load protector 100 deforms upon after experiencing temperature; when temperature is increased to certain value; sensing element 5 triggers movable contact spring 4 action so that movable contact 41 separates with static contact 3; thus cutting off circuit, protection household electrical appliance are without damage.
Household electrical appliance according to this utility model embodiment, by arranging current over-load protector 100, it is possible to protection household electrical appliance are without damage when circuit malfunctions.
In description of the present utility model, it will be appreciated that, term " length ", " width ", " on ", D score, " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include at least one this feature.
In this utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or integral；Can be mechanically connected, it is also possible to be electrical connection or each other can communication；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in this utility model as the case may be.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment of the present utility model or example.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in one or more embodiments in office or example in an appropriate manner.Additionally, when not conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out combining and combining by those skilled in the art.
Although above it has been shown and described that embodiment of the present utility model, it is understandable that, above-described embodiment is illustrative of, it is not intended that to restriction of the present utility model, above-described embodiment can be changed in scope of the present utility model, revises, replace and modification by those of ordinary skill in the art.
Claims (15)
1. a current over-load protector, it is characterised in that including:
Base, described base has the first end and second end relative with described first end；
Static contact, described static contact is located on described first end, and described static contact is suitable to be connected with wire；
Movable contact spring, described movable contact spring is located on described base, and described movable contact spring has movable contact, and described movable contact is located on the lower surface of described movable contact spring and is located close to the position of described first end, and described movable contact is suitable to and the upper surface of described static contact；
Sensing element, described sensing element is located on described base and fits with the lower surface of described movable contact spring, the width of the end of the close described static contact of described sensing element is more than the width of the end away from described static contact of described sensing element, when described movable contact spring temperature exceedes the predetermined temperature of described sensing element, described sensing element deformation is so that described movable contact departs from described static contact.
2. current over-load protector according to claim 1, it is characterised in that described sensing element is spaced apart with described static contact.
3. current over-load protector according to claim 1, it is characterised in that described base is provided with louvre.
4. current over-load protector according to claim 3, it is characterised in that described louvre is located at the position near described first end.
5. current over-load protector according to claim 3, it is characterised in that described louvre is formed as circular hole, slotted eye or polygonal hole.
6. current over-load protector according to claim 1, it is characterised in that on the direction towards described first end, described movable contact spring width is gradually reduced.
7. current over-load protector according to claim 1, it is characterised in that described sensing element includes:
First paragraph, described first paragraph is connected with described base；
Second segment, described second segment is connected with described first paragraph, and described second segment is positioned at one end of the close described static contact of described first paragraph, and the width of described second segment is more than the width of described first paragraph.
8. current over-load protector according to claim 7, it is characterised in that two turnings of the close described static contact of described second segment are formed as fillet.
9. current over-load protector according to claim 1, it is characterised in that on the direction towards described first end, the width of described sensing element is gradually increased.
10. current over-load protector according to claim 1, it is characterised in that described sensing element is bimetal leaf.
11. current over-load protector according to claim 1; it is characterized in that; described second end is bent to form kink towards described movable contact spring, and described sensing element is away from one end of described static contact, one end away from described movable contact of described movable contact spring and described kink riveting.
12. current over-load protector according to claim 1, it is characterised in that on described base, the position near described second end is provided with support protrusion, and described sensing element contacts with the free end of described support protrusion.
13. current over-load protector according to claim 1, it is characterised in that also include: being suitable to the wire fixing clamp of fixing described wire, described wire fixing clamp is located at described first end, and described static contact is located on described wire fixing clamp.
14. current over-load protector according to claim 1, it is characterised in that described movable contact and described movable contact spring riveting.
15. household electrical appliance, it is characterised in that including:
Circuit board, described circuit board is provided with power connector end；
Current over-load protector according to any one of claim 1-14；And
Wire, the static contact of current over-load protector described in one end of described wire connects, and the other end of described wire is connected with described power connector end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620110529.3U CN205354984U (en) | 2016-02-01 | 2016-02-01 | Electric current overload protective device and have its domestic appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620110529.3U CN205354984U (en) | 2016-02-01 | 2016-02-01 | Electric current overload protective device and have its domestic appliance |
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| Publication Number | Publication Date |
|---|---|
| CN205354984U true CN205354984U (en) | 2016-06-29 |
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| CN201620110529.3U Active CN205354984U (en) | 2016-02-01 | 2016-02-01 | Electric current overload protective device and have its domestic appliance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115631968A (en) * | 2022-12-21 | 2023-01-20 | 江苏常胜电器股份有限公司 | High-sensitivity miniature overheat protector |
-
2016
- 2016-02-01 CN CN201620110529.3U patent/CN205354984U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115631968A (en) * | 2022-12-21 | 2023-01-20 | 江苏常胜电器股份有限公司 | High-sensitivity miniature overheat protector |
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